. Botanisk tidsskrift. Botany; Plants; Plants. — 9 — 2(rr) — 10 (rr). Area: Atlantic Ocean from N. of Iceland to 41° S., Mediterranean, Red Sea, Indian Ocean to 33° S., Malay Archipelago, Pacific Ocean southwards to S. of New Zealand. R. alata Btw. var. gracillima (Gl.) Van Heurck, Synopsis, PI. 79, f. 8, 10; Peragallo, Monogr. Rhiz. p. 115, PL 5, fig. 12; Ostenfeld & Schmidt, PL f. the Red Sea, etc. p. 160; Cleve, PL f. the Red Sea p. 1034; Atl. Plankt. Organisms, p. 342; PL f. the Indian Sea and the Malay Archipelago p. 23 ; R. gracillima Cleve, New Diatoms, K. Sv. Vet. Akad. Handl. Bd.
. Botanisk tidsskrift. Botany; Plants; Plants. — 9 — 2(rr) — 10 (rr). Area: Atlantic Ocean from N. of Iceland to 41° S., Mediterranean, Red Sea, Indian Ocean to 33° S., Malay Archipelago, Pacific Ocean southwards to S. of New Zealand. R. alata Btw. var. gracillima (Gl.) Van Heurck, Synopsis, PI. 79, f. 8, 10; Peragallo, Monogr. Rhiz. p. 115, PL 5, fig. 12; Ostenfeld & Schmidt, PL f. the Red Sea, etc. p. 160; Cleve, PL f. the Red Sea p. 1034; Atl. Plankt. Organisms, p. 342; PL f. the Indian Sea and the Malay Archipelago p. 23 ; R. gracillima Cleve, New Diatoms, K. Sv. Vet. Akad. Handl. Bd. 18, 5. 1881, p. 26, PL VI, f. 78; Phytoplankton p. 24; Schröder, Neapel, p. 26. % (fr) — 4(rr) — 10 (r). Area: Most parts of the Atlantic Ocean, Medi- terranean, Red Sea, Gulf of Aden, Malay Fig. 3. Bhizosolenia alata Rtw. var. indica (Perag.) Ostf. Two cells with different directions of the calyptra. m. R. alata Btw. var. indica (Perag.) Ostf. in Ostenfeld & Schmidt, PL f. the Red Sea, etc. p. 160 ; R. indica Peragallo, Monogr. Rhiz. p. 116, PL 5, f. 16; R. alata v. corpulenta Cleve, Phytoplankton p. 24, PL 2, f. 11; Atl. Plankt. Organisms p. 340; R. corpulenta Cleve, PL of the Ind. Ocean and Malay Archip. p. 22 ; R. quadrijuncta Peragallo, Monogr. Rhiz. p. 116, PL 5, f. 17. Certainly the R. indica and R. quadrijuncta of Peragallo belong to the same species and this is further identical with the var. corpulenta of Cleve. I have given two sketchs of the calyptræ, showing different directions of the upper part. l(rr) - 2 (rr) — 3 (rr) — 10(+). Area: Tropical and Subtropical Atlantic, Red Sea, Gulf of Aden, Indian Ocean, Malay Archipelago, Yeddo Bay. 24. R. a m pu tat a Ostf., n. sp. (sect. Squa- mosae Perag.). Frustules large, 80—100 fi broad; val- ves (calyptræ) long-conic; squamæ 5 in cir- cumference; spine transversely cut off, with an excavation at the apex and a cavitv in ü7 • 11 -i i ™' a i Rhizosoleuia amp the lower part. Chrom
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Keywords: ., bookcentury1800, bookdecade, booksubjectbotany, booksubjectplants
