. Botanisk tidsskrift. Plants; Plants -- Denmark. 9 — 2 (rr) - 10 (rr). Area: Atlantic Ocean from N. of Iceland to 41° S., Mediterranean, Red Sea, Indian Ocean to 33° S., Malay Arcliipelago,_ Pacific Ocean .soutliwardri to S. of New Zealand. R. alata Btw. var. gracillima (Gl.) Van Heurck, Synopsis, PI. 7"J, f. 8, 10; Peragallo, Monogr. Pvhiz. i). 115, PI. 5, fig. 12; Ostenfeld ct Schmidt, PL f. the Red Sea, etc. p. KiO; Gleve, PI. f. the Red Sea p. 1034; All. Plankt. Organisms, p. 34:2; PI. f. tlie Indian Sea and the Malay Archipelago p. :23; 7?. (jracillima Gleve, New Diatoms, K. Sv. Vet
. Botanisk tidsskrift. Plants; Plants -- Denmark. 9 — 2 (rr) - 10 (rr). Area: Atlantic Ocean from N. of Iceland to 41° S., Mediterranean, Red Sea, Indian Ocean to 33° S., Malay Arcliipelago,_ Pacific Ocean .soutliwardri to S. of New Zealand. R. alata Btw. var. gracillima (Gl.) Van Heurck, Synopsis, PI. 7"J, f. 8, 10; Peragallo, Monogr. Pvhiz. i). 115, PI. 5, fig. 12; Ostenfeld ct Schmidt, PL f. the Red Sea, etc. p. KiO; Gleve, PI. f. the Red Sea p. 1034; All. Plankt. Organisms, p. 34:2; PI. f. tlie Indian Sea and the Malay Archipelago p. :23; 7?. (jracillima Gleve, New Diatoms, K. Sv. Vet. Akad. Hand). Bd. 18, 5, 1881, p. 26, PL VI, f. 78; Phytoplankton j). 24; Schroder, Neapel, p. 2(5. 2(rr) - 4(rr) - 10 (r). Area: Most parts of the Atlantic Ocean, Medi- terranean, Red Sea, Gulf of Aden, Malay Fig. 3. Rhizosolenia alata Btw. var. indica (Perag.) Ostf. Two cells with different directions of the calyptra. U. ali\ta Btw. var. indica (Perag.) Ostf. in Ostenfeld & Schmidt, PL f. the Red Sea, etc. p. 160; R. indica Peragallo, Monogr. Rhiz. p. 116, PI. 5, f. 16; R. alata v. corpulenta Gleve, Phytoplankton p. 24, PL 2, f. 11; Atl. Plankt. Organisms p. 340; R. corpulenta Gleve, PL of the Ind. Ocean and Malay Archip. p. 22; R. quadrijuncta Peragallo, Monogr. Rhiz. p. 116, PL 5, f. 17. Gertainly the R. indica and R. quadrijuncta of Peragallo belong to the same species and this is I'lU'ther identical with the var. corpulenta of Gleve. I have given two sketchs of the calyptrae, showing different directions of the upper part. l(n-) - ^2(rr) - 3 (rr) - 1()(+). Area: Tropical and Subtropical Atlantic, Red Sea. Gulf of Aden, Indian Ocean, Malay Archipelago, Yeddo Bav. 24. R. ainiiiitata Ostf., n. sp. (sect. Squa- mosae Perag.). Fntstules large, 80—100 fj. broad; val- ves (calyptras) long-conic; sqiiamtt; 5 in cir- einnterence; spine transversely cut off, with an excavation at the apex and a cavity in the lower part. Ghroniato])hores numerous, of a cell
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Keywords: ., bookcentury1800, bookdecade1860, bookpublisher, booksubjectplants
