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Polygonaceae of the Island Iki

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Polygonaceae of the Island Iki Polygonaceae of the island Iki. By Kiichi Ohki. Iki is an island located between Tsusima and Kiusiu. It is considered, equally as the Tsusima, to be the relic of former conti- nent which connected Corea and Japan. No botanist had ever touched this island, though the picturesque landscape of it is renowned among the inhabitants of North-Kiusiu. I have landed on the island last August and collected a lot of plants, especially caring for the Poly- gonaceous plants. The followings are the Polygones found there. I have shown my paper to Prof. NAKAI who was kind enough as to have given many important corrections to it. Gn. i. Polygvnum LINN~:US. Sp. i. Polygonum aviculare LINNIEUS,Sp. P1. ed. I. p. 362 (1753). Var. vegetu m LEDEBOUR,Fl. Ross. III. p. 532 (185 1) MEIssNER In ALP. de CANDOLLE,Prodr. II. p. 56 (1865) NAKAIIn Journ. Coll. Sci. Tokyo XXIII Art. I I p. 3 (1908); in Tokyo Bot. Mag. XXIII. p. [379] (19o9); in Journ. Coll. Sci. Tokyo XXXI. p. i66 (i91 I ). Syn. Polygonum avicularc (non LINN~vs) SIEBOLD& ZUCCARINI in Abh. Muench. Acad. III. Abt. 4. p. 84, n. 725 (1846), pro parte FRANcHET& SAVATIER,Enumeratio Plantarum Japonicarum I. p. 394 (1875), pro parte MATsuMuRA, Ind. Pl. Jap. II. Pt. 2. p. 5 5 (1912), pro parte. Nom. Jap. O-michiyanagi. Flab. Intsouji. Distr. Japonia tota, Corea, Manshuria, China usque ad Sibiriam boreali-occidentalem. February, li;26J OHKI--POL YGONACE~F, OF THE ISLAND IKI 49 Gn. 2. Fagopi-rum HILL. Sp. 2. Fagopyrum vulgare HILL, Brit. Herb. p. 486, P1. 70, fig. 4 (1756). Syn. Polygonu?nFagopyur LINNIEUS,Sp. P1. ed. I . p. 364.(1753) THUNBERG,F1. Jap. p. 169 (1784). Fagopyrurn esculenturnMOENCI-I, Method. p. 290 (1794) MEISSNER in Ann. MUs.Bot. Lugd. Bat. II. p. 65 (1865)-FRANCHET& SAVATIER, Enum. P1. Jap. I. p. 403 (1875) NAKAIin Tokyo Bot. Mag. XXIII. p. [451] (19o9) MATSUMURA,Ind. P1. Jap. II. pt. 2. p. 5 3 (1912). Nom. Jap. Soba. Hab. Ashibe, ubi cultum. Gn. 3. Reynvutria HOUTTUYN. Sp. 3. Reynoutria japonica HOUTTUYN,Nat. Hist. VIII. p. 640, Pl. LI. fig. 1 (i7).77 a. typica OHKI,comb. nov. Syn. Polygonurnmultiflorur THUNBERG,Fl. Jap. p. 169 (1784), excl. specimen unicum fructiferum. I'olygonurncuspidatuln SIEBOLD& ZUCCARINIin Abh. Muench. Acad. III. Abt. 4. p. 84, n. 731 (1846) LINDLEY& PAxTON,F1. Gard. I. p. 137 fig. 90 (I85I) MEISSNERin ALP. de CANDOLLE, Prodr. XIV. p. 136 (18 56) GRcENLANDin Rev. Hort. (1858) p. 630 fig. I92 REGELin Gartenfl. IX. p. 152, t. 291 (I 860) MEISSNERin Ann. MUs. Bot. Lugd. Bot. II. p. 64 (1865) FRANCHET& SAVATIER, Enum. Pl. Jap. I. p. 402 (1875)-J. D. HOOKERin Bot. Mag. CVI. tab. 6503 (1880) HAYATAin Journ Coll. Sci. Tokyo XXV. art. 19. p. 185 (1908) MATSUMURA,l.c. p. 56. Polygonum Sieboldii de VRIESin Nederl. Kruidk. Arch. II. p. 254 (185o). PolygonuznReytoutria MAKINOin Tokyo Bot. Mag. XV. p. 84 (1901). Polygonum Reynoutria var. a typicum NAKAIin Tokyo Bot. Mag. XXIII. p. 384 (1909). N orn. Jap. Itadori. Hab. Intsouji. Distr. Hondo, Shikoku, Kiusiu, Tsusima & Formosa. c 50 THE BOTANICAL MAGAZINE [Vol. XL. No. 470 Gn. 4. Persicaria HILL. Sp. 4. Persicaria Blumei NAKAI,Veg. Isl. Quelp. p. 40, n. 543 (1914); Veg. Dagelet Isl. p. I8, n. 120 (1919). Syn. Polygonum barbaturn (non LINN~EUS)THUNBERG, Fl. Jap. p. 165 (1784), pro parte. PolygonumBlumei MEISSNERin Ann. Mus. Bot. Lugd. Bot. II. p. 57 (I865). MIQUEL,Prol. p. 299 (1867) FRANCHET& SAVATIER, Enum. P1. Jap. I. p. 395 (1875); II. p. 473 (1879) NAKAIin Journ. Coll. Sci. Tokyo XXIII. Art. ii. p. I I (19o9)-MATsuMuRA,l.c. p. 55. Polygonum Posuinbu var. Blumei HERDERapud NAKAIin Tokyo Bot. Mag. XXIII. p. [394] (1909); in Journ. Coll. Sci. Tokyo XXXI. p. I65 (iii). ( Nom. Jap. Inu-tade. Hab. Gonoura. Distr. Hondo, Shikoku, Kiusiu, Quelpaert, Corea & Formosa. Sp. 5. Persicaria Hydropiper SPACH,Hist. Nat. Veg. X. p. 536 (1841). a, vulgaris OHKI, comb. nov. Syn. Polygonum Hydropiper LINNJEUS,Sp. Pl. ed. I. p. 361 (1753) FRANCHET& SAVATIER,l.c. I. p. 396 (1875) MATSUMURA, l.c. p. 57. Persicaria vulgaris acris HILL, Brit. Herb. p. 486, P1. 70. fig. 6 (1756). Persicaria acris GILIBERT,Exercit. Phyt. II. p. 431 (I 792). Persicaria Hydropiper, OPiz, Sernam rost. Kvet. Ceske p. 72 (1852) NAKAI;Veg. Isl. Quelp. p. 41; n. 549 (1914); Veg. Dagelet Isl. p. i8, n. 122 (1919) MoRI, Enum. Corean Pl. p. 132 (1922). PolygonumHydropiper var. vulgate MEISSNERin ALP. de CAN- DOLLE,l.c. p. 109 (i856); in Ann. Mus. Bot. Lugd. Bot. II. p. 58 (1865) MAKINGin Tokyo Bot. Mag. XVII. p. 147 (19o3) NAKAI in Journ. Coll. Sci. Tokyo XXIII. Art. II. p. 7 (1908); in Tokyo Bot. Mag. XXIII. p. [395] (1909); in Journ. Coll. Sci. Tokyo XXXI. p. 167 (iii). 9 Nom. Jap. Kawa-tade. Hab. Gonoura. February, 1926] OHKI--POI, YG ONACE~E OF THE, ISLAND IKE 51 Distr. per totam regiones boreali-hemisphaericae. Sp. 6. Persicaria japonica NAKAI,Veg, Isl. Quelp. p. 41. (1914). Syn. Polygonumbarbatum (non LINNJEUS)THUNBERG, Fl. Jap. p. 165 (1784), pro parte. PolygonumJaj'onZcum MEISSNER in ALP. de CANDOLLE,l.c. p. 112 (1856) ; in Ann. Mus. Bot. Lugd. Bot. II. p. 59 (1865), excl. j3. MIQUEL,Prol. p. 299 (1867)-FRANCHET& SAVATIER,1.c. I. p. 396 (1875) NAKAIin Tokyo Bot. Mag. XXII. p. [62] (1908); XXIII. p. [390] (1909) MATSUMURA,l.c. p. 58 (1912). Polygonumjaponicum f. digyna FRANCHET& SAVATIER,l.c. II. p. 474 (89).I 7 Nom. Jap. Shirobana-sakura-tade. Hab. Yumoto, Intsouji. Distr. Hondo, Shikoku, Kiusiu & Formosa. Sp. 7. Persicaria eonspircua NAKAIex MORI,Enum. Corean P1. p. 131 (1922). Syn. Polygonumjaftonicum f. macrantlza FRANCHET& SAVATIER, l.c. II. p. 474 (1879), pro parte. Polygonumjaponicum var. conspicuumNAKAI in Tokyo Bot. Mag. XXII, p. [63] (1908); in Journ. Coll. Sci. Tokyo XXIII. Art. 11. p. Io (1908). Polygonumconspicuum NAKAI in Tokyo Bot. Mag. XXIII. p. [389] (1909) ; in Journ. Coll. Sci. Tokyo XXXI. p. I68 (I9 I I). Nom. Jap. Sakura-tade. Hab. Intsouji. Distr. Corea, Kiusiu, Shikoku & Hondo. Sp. 8.. Persicaria sterilis NAKAI& OHKI, comb. nov. Syn. Polygonum Donii var. firmum MEISSNERin WALLICH,P1. Asiat. rar. III. p. 58 (1832), pro parte. Polygonum Posumbu var firmum MEISSNERin Alp. de Candolle, 1.c. p. j o6 (1856), pro parte. Polygonumjaponicum var. micralztlaumNAKAI in Tokyo Bot. Mag. XXII. p. [64] (1908). Polygonumsterile NAKAIin Tokyo Bot. Mag. XXIII: p. [390] (1909), cum var. 52 THE BOTANICAL MAGAZINE [Vol. XL. N. 470 Nom. Jap. Ko-sakura-tade. Hab. Gonoura-Yumoto. Distr. Hondo, Shikoku, Kiusiu, Liukiu, China & India orient. This is nearest to Persicaria jajonica in the general habits, but the flowers are much smaller and dotted with very minute glands. Sp. g. Persicaria glandulosa NAKAI& OHKI,comb. nov. Syn. Polygonurnnodosuln PERSOON,Syn. P1. I. p. 440 (1805), pro parte MEISSNERIn ALP. de CANDOLLE,Prodr. XIV. p. II8 (I856), pro parte FRANCHET& SAVATIER,Enum. P1. Jap. I. p. 397 (1875) NAKAI in Journ. Coll. Sci. Tokyo XXIII. Art. 11, p. 8 (1908); in Tokyo Bot. Mag. XXIII. p. [391] (1909); in Journ. Coll. Sci. XXXI. p. 167 (I9 ii). Polygonur glandulosunz R. BROWN,Prodr. Fl. Nov. Holland. p. 419 (I8 IO). MEISSNER,Monogr. Polyg. p. 70 (1826). Polygonum tenuiflorum PRESL, Deliciar Prag. p. 67 (I 822) SPRENGEL,Syst. Veg. II. p. 253 (1825). Polygonurnlaxum REICHENBACH,Icon. V. p. 56. fig. 685 (1827). Polygonumlapatlaifoliuna var. tenuiflorum BOISSIER,Vog. Hisp. II. p. 5 5 1 (I838) WILLKOMM& LARGE,Prodr. Fl. Hisp. I. p. 290 (1870). Persicaria nodosa OPIz, Sernam rost. Kvet. Ceske p. 72 (1852) NAKAI,Veg. Dagelet Isl. p. 18, n. 123 (1919'). Polygonumnodosum ~. Sakuratade MEISSNERin Ann. Mus. Bot. Lugd. Bat. II. p. 6o (1865)-MIQuEL in Ann. Mus. Bot. Lugd. Bat. III. p. 137 (1867). Polygonumlapahifoliurn (non LINNiUS) FRANCHET& SAVATIER, l.c. I. p. 397 (1875) YABEin Tokyo Bot. Mag. XVII. p. 178 (1903) NAKAIin Journ. Coll. Sci. Tokyo XXIII. Art. 1 1. p. 8 (1908). Persicaria nodosa GROSSapud NAKAI,Veg. Isl. Quelp. p. 41. n. 554 (1914)• Nom. Jap. O-inutade. Hab. Yumoto, Gonoura. Dist. fere per totas regiones orbis. Sp. To. Persicaria Posumbu NAKAI,Veg. Isl. Quelp. p. 41. n. 555 a (1914)• var. tenera OHKI, comb. nov. Syn. Polygonum Posumbu HAMILTONex D. DON, Prodr. Fl. OJIKI--POL YGONACEDE OF THE ISLAND IKI 53 Nepal. p. 71 (1825) MEISSNER,Monogr. Polyg. p. 73 (1826) NAKAI in Journ. Coll. Sci. Tokyo XXIII. Art. 11. p. 12 (1908); in Tokyo Bot. Mag. XXIII. p. [393] (1909); in Journ. Coll. Sci. Tokyo XXXI. p. i68 (iii). 9 PolygonumDonl2 Var. tenerum MEISSNERIn WALLICH,P1. Asiat. Rar. III. p. 58 (1831). Polygonu?nPosumbu var. tenerum MEISSNERIn ALP. de CANDOLLE, l.c. p. 1o6 (1856) ; in Ann. Mus. Bot. Lugd. Bat. II. p. 57 (1865). Polygonurngraclle HAMILTONmss. ex MEISSNERin , ALP. de CAN- DOLLEl.c., pro syn. Polvgonu?nBiscaticlium HAMILTONmss. ex MEISSNER,l.c. pro syn. PolygonumPosumbu var. a. flaccidum MEISSNERapud FRANCHET & SAVATIER,l.c. I. p. 394 (1875). Nom. Jap. Hana-tade. Hab. Intsouji. Dist. Hondo, Shikoku, Kuisiu, Corea, Manshuria, China usque ad India orient. According to Prof. NAKAIthe type-specimen of a tenerum which is in Herbier Delessert at Geneve, and which has the hand-writing of MEISSNERis this type. Variety f3. frmum. MEISSNER,l.c. is Polygonuln YokusaianumMAKINO. Sp. 11. Persicaria nipponensis NAKAI,Veg. Isl. Quelpa~rt.p. 41, n. 553 (1914) MORI,Enum. Corean P1, p. 133 (1922). Syn. Polj.gonu7nllastato-sagittaturn /. lat /olium MAhINO in Tokyo Bot. Mag. XVII. p. 123 (1903). Polygonurnnipponense MAKINO in Tokyo Bot. Mag. XXIII. p. [89] (19o9) NAKAIin Tokyo Bot. Mag. XXIII. p. [421] (1909).
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