140 RHODOMELACEAE 
(2) Polyostea Donati, Auszug Natur-Geschichte Adriat. Meers 22. 
1753. 
Hutchinsia Ag. буп. Alg. Scand. xxvi. 1817. Not Hutchinsia 
В. Вг. in Ait. Hort. Kew. 4: 82. 1812. 
Vertebrata S. Е. Gray, Nat. Arr. Brit. Pl. т: 338. 1821. 
Grammita Bonnem. Jour. Phys. 94: 186. 1822. (Not seen.) 
Grateloupella Bory, Dict. Class. Hist. Nat. 3: 340. 1823; 7: 480. 
1825. 
Dicarpella Bory, loc. cit. 3: 340. 1823; 5: 464. 1824. 
Carradoria Mart. Fl. Bras. 1: 15. 1833. 
Grammitella Crouan, Ann. Sci. Nat. Bot. III. то: 372. 1848. 
POLYSIPHONIA ABSCISSA Hook. f. & Harv. in Hook. f. Fl. 
Antarc. 480. pl. 183. f. 2. 1846. Нагу. in Hook. f. Fl. 
Nov- Zel. 2: 227. 1855. J. Ag. Sp. АБ. 2: 974. 
1863. Kütz. Tab. Phyc. 13: 22. pl. 70. | 
f.a-d. 1863 
Polysiphonia microcarpa Hook. f. & Harv. in Hook. f. Fl. Antarc. 
479. pl. 182. f. 3. 1846. 
In beach drift, La Punta, region oí СаПао, January 25, 1907, 
Coker 30 p.p. (cystocarpic); abundant іп the lagoon at the mouth 
of the Río Rímac, region of Callao, February 4, 1907, Coker 51 | 
РР. (with a little of P. paniculata); dredged on muddy bottom in 
Ancón Bay, February 13, 1907, Coker оо p.p. (with P. paniculata); 
in beach drift, Chimbote, February 27, 1907, Coker 108 p.p.; on 
Caulerpa flagelliformis ligulata, Lobos de Afuera, March 17 and 18, 
1907, Coker 124 p.p. and 126 p.p. (cystocarpic and tetrasporic); 
“in the surf," Lobos de Tierra, April 2, 1907, Coker 149 РФ 
"from estero (salt creek) known as Río Zarumilla, near Capón, 
six miles from ocean—density 1022-1024,” February 2, 1908, 
Coker 344 p.p. (tetrasporic) ; from drift on the beach, Pisco, July 7; 
1908, Coker 465 p.p. (cystocarpic). 
The various specimens here referred to Polysiphonia abscissa 
agree in having four pericentral siphons but offer considerable 
cdi ORE QR A 
* No species is mentioned. In this German translation of Donati's Della Storia 
Naturale Marina dell’ Adriatico, his generic name Poliosteo (p. 24 of original Ko 
edition) is latinized or hellenized to Polyostea, in which form it was adopt 
Ruprecht (in Middendorfi, Reise in Sibirien 12: 231. 1850). 
