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Studies on the Geoglossaceae of Japan. II the Genus Leotia

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Studies on the Geoglossaceae of Japan. II the Genus Leotia Jan. 20, 1936.) S. 1MAj-STUDIES ON TILE GEOGLOSSACEAE OF JAPAN. 11. 9 Studies on the Geoglossaceae of Japan. II.'' The Genus Leotia. By Sanshi Imai. Received June 10, 1935. It seems that the name Leotia was first used by II1LL,in 1751. PERSOON3~established the genus Leotia in 1794 with a type species Leotia lubrica which had been formerly described by ScoPoLI under the name Elvela lubrica. In 1801,x' he added eight species, viz., Leotia Mitrula, L. Ludwigii, L. Dicksoni, L. Bulliardi, L. circinans, L. marcida, L. conica and L. Helvella. In 1822,' he divided the genus into two sections, " Carnosae , colore plerumque flavescentes ant rubicundae" and " Cuccul- laria. Tremellosae ant carnoso-gelatinosae, terrestres, colore obscuri, fusces- centes olivaceae ant virescentes. Pileo brevi subpatulo." The former section comprised five species, L, circinans, L. Mitrula, L. truncorum, L. clavus and L, uliginosa, and the latter four species, viz., L. lubrica, L. marcida, L, atrovirens and L. platypoda. In 1823, FRIES6~ described ten species of Leotia and divided the genus into two tribes, Cuccullaria and Hygromitra. The former tribe was mainly characterized by the fleshy or tough texture which was persistent when dry and by the stuffed or hollow stipe. L. circinans and four indefinite or doubtful species were included in this tribe. The latter tribe was characterized as " Substantia tremellosa ant carnoso-gelatinosa, putrescens nec persistens. Pileus minus evolutus clavato-capitatns, tumens, margine subtus adnato. Stipes saepius fistulosus, gelatina plenus, sursum inerassatus & in pileum abiens. Noxiae, colore e flavo viridisque variae. Abeunt ad Tremellas mediante Trem. Helv. Deeand. ; in L. lubrica demum desunt asci," citing Tremella Hygromitra NEEs (Syst. p. 157) and Cnecularia PERS. ( Myc. Eur. 1: p. 201) as the 1) The first report was published in Transactions of the Sapporo Natural history Society, Vol. 13: Pt. 3, 1934. 2) HILL, Hist. Pl. 43, 1751. 3) PERsooN, in ROEMER N. Mag. Bot. 1: 97, 1794. 4) - Syn. Meth. Fung. 611-614, 1801. 5) - Myc. Eur. 1: 198-202, 1822. 6) Fuizs, Syst. Myc. 2: 25-31, 1823. 10 THE BOTANICAL MAGAZINE. [Vol. L, \o. 589. synonym. Leotia niarcida, L. lubrica, L. chlorocephala, L, viscosa and L. atrovirens were included in this tribe. In 1849, FRIES'' established the genus Cud onia based upon the above mentioned L. circinans and L. marcida, and placed it in Helvellaeei. The genus Leotia was characterized by ` ` Gelatina distentae, tremulae ; disco pileato primitus convexo immerginato, in ambitu revoluto," including L. lubrica, and belonged to Bulgariaeei. Since that time, about fifteen species have been reported to belong to this genus, although some of them are rather doubtful species. Many well known species are subgelatinous or gelatinous, but in a few species they are waxy. These gelatinous fungi have mainly ochraceous, olive or green tint in all parts or in a part of the plant. The writer designates these fungi as of "lubrica-group. " The classification of the fungi belonging to the lubrica-group of this genus has been mainly based on the color, size and form of the fructification. Several species had been thus established. These fungi are widely variable in their color, size and form even in their living fresh condition according to the locality, habitat and stage of development, and in particular they are extremely variable in color when dried or preserved. Moreover, the microscopic features are considered to be of minor importance for the taxonomy. Therefore the fungus should be studied in the field and in the living, fresh condition, with numerous specimens. The preserved materials should be accompanied by carefully prepared notes regarding the color and form of the living fresh plant. As a result of the writer's studies with numerous specimens of the fungus in the field as well as with those in fresh condition, he came to the conclusion that it is more reasonable to treat some species of this genus as forms of L, lubrica representing respec- tive forms or colors than to recognize them as distinct species. In our country nine forms of L, lubrica have been recognized up to the present time. Leotia lubrica Fn. Syst. Myc. 2 : 29, 1823; Summa Veg. Scand. 357, 1.849-Klcxx, Fl. Crypt. Flandr. l : 500, 1867. 1 eotia gelatinoua HILL, list. Pl. 43, 1751(not in binomial)-SCHROET. Pilze Schles. 2 : 20, 1893; in ENGLER & PR. Nat. Pfl. Fam. 11: 166, f.140, 1.894-REHM, in RABENH. Krypt. Fl. 13 : 1165, cum icone, 1896-YAsuDA, Bot. Mag. (Tokyo), 29: (34), 1915-AsAHINA, Journ. Jap. Bot. 6 : (101), 1929- (SHIRAI, List Jap. Fung. ed. 3, 185, 1927). Elvela lubrica Scop. Fl. Cam. ed. 2, 2: 477, 1772. 7) FRIES, Summa Veg. Scand. 348 & 357, 1849. Jan. 20, 1936. ] S. IMAI-STUDIES ON THE GEOGLOSSACEAE OF JAPAN. II. 11 Helvella gelatinosa BULL. Champ. Fr. pl. 296, 1791. Leotia lubrica PERS, in RoEMERN. Mag. Bot.1: 97,1794; Comm. Fung. Clay. 31, 1797 ; Syn. Meth. Fung. 613, 1801; Myc. Eur. 1: 201, 1822-GILL. Discom. 23, pl. 23,1879-PHILLIPs, Brit. Disc. 22, 1887-SAcc. Syll. Fung. 8: 609,1889-CKE. Handb. Austr. Fung. 251, f. 142, 1892-DURAND,Ann. Myc. 6: 446, f. 106, 213, 1908-KAWAMURA,Jap. Fung. no. 4, 1929-BREs. Icon. Myc. 24: p1.1187, 1932-(IT0 & IMAI, Proceed. Jap. Assoc. Adv. Sci. 7: 148, 1932). ?Leotia marcida PERS. Comm. Fung. Clay. 32, 1797 ; Syn. Meth. Fung. 613, 1801; Myc. Eur. 1: 202, 1822. Tremella stipitata Bosc, Ges. Nat. Freunde Berlin Mag. 5: 89, pl. 6, f. 14, 1811. Hygromitra stipitata NEES v. Es. Syst. Pilze, 157, f. 144, 1817. Hygromitra tremula NEES v. Es. ibid. 158, 1817. Helvella flavovirens NEES v. Es. ibid. 175, f. 162, 1817. Leotia atrovirens PERS. Myc. Eur. 1: 202, pl. 9, f. 1-3, 1822-CKE. Mycogr. 219, f. 368, 1879-GILL. Discom. 23, 1879-SAcc. Syll. Fung. 8 : 610, 1889. Leotia chlorocephala S0IIw. Syn. Fung. Cam. 114, 1822-PHILLIPS, Brit. Disc. 23,1887-SAcc. Syll. Fung. 8: 609, 1889. ?Leotia marcid a FR. Syst. Myc. 2 : 28, 1823; Elench. Fung. 2 : 3, 1828. Leotia chlorocephala FR. Syst. Myc. 2: 30, 1823. Leotia viscosa FR, ibid. 2: 30, 1823-SAcc. Syll. Fung. 8: 610, 1889- (ITo & IMAI, Proceed. Jap. Assoc. Adv. Sci. 7 : 148, 1932). Leotia atrovirens FR. ibid. 30, 1823. Leotia Stevensoni BERK, et BR. Ann, Mag. Nat, list. ser. 5, 3: 212, 1879. Leotia lubrica QUEL. Eneh. Fung. 266, 1886. Leotia lubrica var. viseosa QUEL,ibid. 266, 1886. Leotia atrovirens QUEL.ibid. 267, 1886. Leotia chlorocephala f. Stevensoni BERK. In PIIILLIPs, Brit. Disc. 24, 1887. Leotia chlorocephala' Stevensoni SAcc. Syll. Fung. 8: 610, 1889. Leotia stipitata SGIROET,in ENGLER& PR. Nat. Pfl. Fam. 11: 166, 1894- SEAVER,Bull. Lab. Nat. list. State Univ. Iowa, 5~ : 252, pl. 1, f. 2, 1904- DURAND,Ann. Myc. 6 : 449, f. 109, 210, 1908. Leotia lubrica f. Stevensoni MAss. Ann. Bot. 11: 289, 1897-DURAND, Ann. Myc. 6 : 477, f. 108, 1908-(IT0 & IMAI, Proceed. Jap. Assoc. Adv. Sci. 7 : 148, 1932). Leotia lubrica f. stipitata MASS. ibid. 11: 290, f. 65, 1897. Leotia punetipes PECK, Bull. Torrey Bot. Club, 34: 102, 1907. 12 THE BOTANICALMAGAZINE. [vol.L, No. 589. Leotia ehlorocephala DURAND,Ann. Mye. 6: 450, f. 110, 211-212, 1908. Leotia lubrica ScoP. ; LLOYD,Geoglossaceae, 15, f . 798, 1916. Leotia atrovirens LLOYD(non PERS. nec. FR.) ibid. 16, 1916 ; (Letter, no. 60, p. 8, 13, 1915). Leotia chloroeephala LLOYD,ibid. 16, 1916. Leotia japonica YASUDA,Bot. Mag. (Tokyo) , 30 : (394) , 1916 ; ibid. 31: 1, 1917-LLOYD, Letter, no. 65, p. 10, 1917-SAcc. Syll. Fung. 24: 1234, 1928- (SIIIRAI, List Jap. Fung, ed. 3, 185, 1927-ITo & IMAI, Proceed. Jap. Assoc. Adv. Sci. 7 : 148, 1932). Leotia chlorocephala KAWAMURA,Jap. Fung, no. 146, 1929. Leotia lubrica ff aurantipes IMAI, Proceed. Jap. Assoc. Adv. Sci. 7: 148, 1932, nom, nud. Leotia lubrica f. anthocephala hZAI et MINAKATA,ibid. 7: 148, 1932, nom, nud. Leotia lubrica f. portentosa IMAI et MINAK.ibid. 7:148,1932, nom. nud. Ascophores densely gregarious or caespitose, sometimes solitary, stipitate, viscid-gelatinous, 1-7 cm. or more in length ; ascigerous portion pileate, convex above, irregularly furrowed on the surface, very rarely ramoso-lobate, obtuse and wrinkled at the margin, variable in color, yellowish-ochraceous, ochraceous, olivaceous, greenish or green, 0.3-1.5 cm. or more wide ; stipe terete or somewhat compressed, usually tapering slightly upward, often coalescing below with the adj ascent ones, up to 1 cm, thick below, up to 6 cm. or more long, minutely squamulose, variable in color, white, yellowish, yellow, yellowish-ochraceous, ochraceous, orange, olivaceous, greenish or green; asci narrow-clavate, rounded but slightly narrowed at the apices, not blue with iodine, 130-160 X 10-12,u, 8-spored; spores biseriate above, uniseriate below, hyaline, smooth, cylindrical-oblong to fusiform, obtuse or subacute at the ends, straight or curved, at first continuous, later many guttulate, finally 3-5-7-septate, 18-28 < 5-6,u; paraphyses filif orm, branched, clavately or piriformly thickened at the apices, hyaline or greenish in contents. f. typica IMAI, nom. nov. Ascomatibus plerumque magnis, flavo-ochraceis raro subolivascentibus, cetera ut in specio. Hab. on the rich humus in woods. Summer to autumn. Jap, name. Zukintake (YASUDA). Distr. Hokkaido : Kitami, Kushiro, Ishikari, Iburi, Oshima. Honshu : Rikuzen ( YASUDA), Shimotsuke 9 (KAWAMURA),shlmOsa (SUZUKI), Kii.8~ 8) The specimens from the Province of Kui were supplied by Mr. KUMAGUSV MINAKATAto whom the writer wishesto express his indebtedness. Jan.20,1936.] S. IMAI-STUDIES' ON THE GEOGLOSSACEAEOF JAPAN. II. 13 Europe, North America & Australia. Leotia japonica YASUDAseems to be identical with this form. Accord- ing to YASVDA's description, the essential characters distinguishing L.
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