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Notes Algae New to Japan. II I. Enteromorpha Micrococca K1 TZ. Tab. Phyc. VI. P. 11, Tab. 30, Fig. II

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Notes Algae New to Japan. II I. Enteromorpha Micrococca K1 TZ. Tab. Phyc. VI. P. 11, Tab. 30, Fig. II Notes on Algae New to Japan. II i. By Iiichisabnro Ycndo. Enteromorpha micrococca K1 TZ. Tab. Phyc. VI. p. 11, Tab. 30, fig. II .-Ax LNER: Enterom. p. 46, fig. 7, a-b.J . AG.:Till Alg. Syst. p. 123.-HAuCK: Meeresalgen, p. 432.--DigToNI : Sy11. Alg. I, p. 119.-C0LL., HOLD.and SETCH.: Phyc. Bor.-Amer. No. 66.--SE•rcir. and GARnN.:Alg. N. W. Amer. p. 211.-COLL : Ulvac. N. Amer. p. 20.-Id.: Green Alg. N. Amer. p. 204. =Enteromorpha coarcta KJELLM.: Mar. Chlor. Jap. p. 15, Tab. 3, fig. 19-21. The specimen has been collected at Hakodate many years ago. It seemed to belong to the present species but at the same time referrable to E. coarcta KJELLM. Having had no less doubts on the distinction between the two species, I left it for future comparison. Actual examination on KJELLMAN'S originals at Upsala, I made it sure that my specimen was identical with KJELLMAN'Sand that they were nothing but the present species. The measurements given by KJELLMANfor the cells and the thickness of frond of his species are slightly larger- than in the European forms of E. micrococca, but these are too trifle and rather- unfixed characters to claim an independent specific rank for the plant. KJELLMAN1~remarks Sa vidt jeg forstar, ar den att anse sasom en till intestinalis-gruppen of slagtet hbr- ande art och da skild fran andra till donna hdrande arter genom cellernas hdgst ringa ticklek, cellrummens form och 1) Mar.Chlor. Jap, p. 16. 1 00 THE BOTANICAL MAGAZINE. [Vol. 1111. &o. 343. skottets farg." He seems to have considered nothing about E. micrococca. The flexuous habit of frond as well as the brown- ish colour on drying characterize the present species. Locality. Hakodate (!), (KJELLMAN). Distribution. Europe ; Greenland to Massachusetts; Alaska to Mexico. Enteromorpha ramulosa HooK. British Flora, II, p. 319,-HARv.: Phyc. Brit. Pl. 245.--Id.. Manual. Ed. II, p. 215.--KUTz.: Spec. p. 479.-Id.: Tab. Phyc. VI, Taf. 33.-J. AG.: Till Alg. Syst. VI, p. 154, Tab. 4, fig. 117, 118-- HAUCK: Meeresalgen p. 431.-DE TONI: Syll. Aig. I, p. 134.-- COLLINS: Ulvaceae of N. Amer. p.. 29, Pl. 43, fig. 6.-Id.: Green Algae N. Amer, p. 200. Ulva ramulosa Eng. Bot. Pl. 2137.-CROUAN : Flor. Finist. p. 131. = Ulva uncinata MoHR. in herb AG. = Ulva clathrata var . uncinata AG.: Sp. p. 423.-LE JoLls : List. Mg. Cherb. p. 51.--ARDISs.: Phyc. Medit. II, p. 200. =Enterornorpha clathrata var . uncinata GREY.: Alg. Brit. p. 182. = En teromorpha spinescens K i z.: Tab. Phyc. VI, Taf. 33, fig. III, c. General appearance of the plant is exeedingly variable and often may have a form quite resembling to E. clathrata. In the present species, however, the cells composing the minor branches are markedly smaller- than those of the principal segments. Locality. Boshu (F. SUGIYAMA); Izu (!). Distribution. Europe ; Atlantic coast of N. America ; Aust- ralia. Prasiola mexicana LIEBM. in J. AG.: Kong. Vet. Akad. Forhandl. 1847, p. 6. JESsEN : Monogr. p. 19, Tab. I, fig. 17-20.--RABENH.: Flor. Europ. Aig. III, p. 311..--LAGERST: Monogr. p. 26, fig. 2.-KUTz.: Spec. p. 473.-Id: Tab. Phyc. V, Taf. 40, fig. II. J. AG.: Till Aig. System. VI, p. 84.--- WOLLE: Freshwater Alg. U. S. p. 107, Pl. 91, fig. 24.-DE TONJ: Syll. Alg. I, p. 143.--CoLL., HOLD, and SETCH.: Phyc. Bor.-Amer. No. 1186.-COLLINS : Green Aig. N. Amer. p. 220. July,1915.] YENDU.---NOTESUN ALGA NEW TO JAPAN 17I. 101 =Prasiola japonica YATABE: Bot . Mag. Tokyo, V, p. 187, Pl. 25, 1891.-Id.: Iconogr. Flor. Jap. I, Pl. XL.--OKAM.:Nippon Sorui Mei-i, p. 172.---YENDO: K aisan Shokubutsu, p. 236, fig. 85. This freshwater alga is fairly common in Japan and is often collected to prepare for food. The plant is thoroughly washed in a clean water and spread on a matting in square sheets of various sizes. When dried in the sun, the fronds adhere one another by their own gelatinous matter and yield bright green sheets which peel off easily from the matting The sheets are baked on fire and eaten with boiled rice to give a flavour to it, or they are cooked in a soup. Comparing the Japanese form, which passed under P. japo- nica YATABE, with reliable specimens of the present species, I can not find any difference which justifies the separation of the former from the latter. A specimen of this plant, collected by Mr. T. MAKINO in Chikugo Prov., Kiushu, is found in the herbarium of the Academy of Science of St. Petersburg, under Monostroma quaternariurn KUTZ. The determination was by KJELLMAN. Locality. In streams on the Pacific side of Honshu and Kiushu. Note that in the streams which run into the Japan Sea the plant is not yet found. Distribution. Oregon ; Colorado ; Mexico ; South America. Urospora penicilliformis ARESCH. Observ. Phyc. II, p. 4.--KJELLM.:Spetzberg. Thalloph. II, p. 55- Id.: Alg. Murm. Meer. p. 56.--Id.: Alg. Arct. Sea. p. 315.-WrrTR. et Noxvs•r.: Alg. Exsic. No. 417, 418.-DE ToNI: Syll. Alg. I, p. 232. -KYLIN: Algenfl. Schwed. westki ste, p. 15.-SETCH. and GARDN.: Alg. N. W. Amer. p. 220. = Urospora mirabilis ARESCH. Observ. Phyc. I, p. 15--ARESCH.:Alg. Scand. I3xsic. No. 340.-RosENv.: Gronlands Havalg. p. 918.- BoRGESEN: Mar. Alg. Faroes, p. 500.-COTTON: Clare Isl. Surv., Mar. Mg. p. 110. There is only one species of Urospora ever recorded from Japanese water, i. e., Urospora acrogona KJELLM, described by w 102 THE' BOTANICALMAGAZINE [Vol.XXIX. No. 343. KJELLMAN from a material collected at Cape Nomo near Naga- saki. I have, however, already noticed at least two more species of Urospora to occur fairly- commonly on our coasts. They were left undetermined as the fructification has not been satisfactorily observed. Late in March this year, while staying in the Marine Laboratory at Oshoro, I had an opportunity of observing both gametes and zoospores in living state on an Urospora which abounds around there. In all and every respect the plant agrees with the mentioned species which is quite common and well known on the Atlantic coast. Locality. Otaru Bay and its vicinity (!). Distribution. Northern part of the Atlantic Ocean ; North America, Maine to Connecticut (after COLLINs : List of New Engl. Plants, V.) ; Alaska to Vancouver Island. Spongomorpha arct•i K ihz. Spec. p. 417.-Id.: Tab. Phyc. IV, Tab. 74.-CoLLINs : Green Alg. N. Amer. p. 359.---Id.: Green Alg. N. Amer. Suppl. p. 97. =Cladophora arcta HARv. Phyc. Brit. Pl. 135.-Id.: Ner. Bor. Amer. III. p. 75.---HAucK : Meeresalgen, p. 445.-KuTz.: Phyc. Gener. p. 263. -- FARLOW: Mar. Alg. New Engl. p. 50. - COLL., HOLD.and SETCH.: Phyc. Bor.-Amer. No. 224, 815.-TILI)EN : Amer. Alg. No. 373, form, a (non alior)--D~; TONE: Syll. Alg. I, p. 355.- SETCH. and GARDN.: Alg. N. W. Amer. p. 224.-COLLINs : Marine Cladophora New Engl. p. 115.-CoTToN : Clare Isl. Surv., Mar. Alg. p. 111. =Conferva colixrens RUPRECHT: 'r'ange, p. 402. _~Cladophora eohwrens DL TONI: Syll. Alg. I, p. 337, (For further referrences, see D~; TONI : Syll. Alg. I. p, 355.) RUPRECHT'> has already remarked the close affinity between Confi coh~rens RUPR. and Conf: arcta DILLW. and concluded that his species " ist vielleich t slur eine Abart der C. arcta." The distinction pointed out by RUPRECH has little value for a 1) Tanbe des Och. Meer. p. 403. July,tIlL] yENDO.-NOTES.ON ALG + NEWTO JAPAN IIl. 1.03 specific character, and an examination of the originals justifies the above amalgamation. Locality. Otaru Bay (!); Kushiro (Dr. T. KAWAKAMI); Distribution. Hithei to known from the North Atlantic, both European and American side; Pacific coast of North America, from Alaska to Washington. Cladophora rupestris KiJTZ. Phyc. Gener. p. 270.E--Id.: Spec. p. 396.--Id.: Tab. Phyc. IV, Taf. 3, fig. 1.--Dr TONI: Syll. Aig. I, p. 328.+--COLuNS,HOLD. and SETCH. Phyc. Bor.-Amer. No. 728.--COLLINS: Green Aig. N. Amer. p. 346 (for further referrences, see DE TONI : Syll. Aig. I, p. 328). A distinct species, quite common on the north-western coast of Europe. It is interesting to find this species within our boundary. Locality. Hidaka (!). Distribution. Europe, from Norway to France ; Nlediter. ranean Sea ; Greenland to Massachusetts. Bryopsis hypnoides LAMX. Memoir. p. 135, Pl. I.. fig. 2, a-b.-J. Ao.: Till Aig. Syst. VIII, p. 27.-HAxv.: Phyc. Brit. Pl. 119.x-VlCKERs: Phyc. Barb. p. 30, Pl. 53.-COLLINS, Horn. and SETCH.: Phyc. Bor.-Amer. No. 1028, 1286.--COLLINS: Green Aig. of N. Amer. p. 403.----Id.: Notes on Aig. (Rhodora, 1906.) p. 124.----BORGEsEN: Some Chlorophyc. from Dan. West Ind. p. 147. The. present species seems to have been taken as Bryopsis plumosa by various collectors. The mode of ramification, however, approaches more to B. cupressoides LA MX. than the other members of the genus. The lateral branches, and ramu- lets on them, are all very much elongated and slender so that the conical outline of a frond, characteristic of B. cupressoides, is quite disturbed. 104 THE BOTANICAL MAGAZINE. f y01. XXIX. No. 343. Locality. Osho ro, near O taro ' Bay (!). Distribution. Europe ; North America, from Massachusetts to west Indies, from Washington to southern California ; New Holland? Bryopsis caespito8a SUHR. in KiITZ. Tab. Phyc. VI. Taf. 72, fig. I.--DE TONI: Syll. Alg. I, p. 428. Locality. Shimoda, Izu Prov (!). Distribution. South Africa ; Mauritius. Bryopsis myura J. AG. Alg. Med. p. 20.-Id.: Till Alg. System. VIII, p. 28.---Kv'rz. : Spec. Alg. p. 493.-Id.: Tab.
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