OF THE THIRD TANGANYIKA EXPEDITION. 101 
Victoria Nyanza.— Among Utricularia in swampy pool near Bukoba (20 
Aug. 1905 ; no. 618). 
Tanganyika.—A mong Utricularia, mouth of Malagarasi River (16 Jan. 
1905; no. 611). 
Family CHZETOPHORACEZE. 
Genus CHJETOPHORA, Schrank. 
9. P CHÆTOPHORA ELEGANS, (Ко) Ag. Dispos. Alg. Suec. 42 (1812); 
Cooke, Brit. Freshw. Alg. (1883) p. 194, t. 78. fig. 2. 
Crass. cell. 3°5-5°5 д. 
Tanganyika.—In plankton, Lofu River (5 Oct. 1904 ; no. 123) ; in small 
gelatinous masses among Mywonema subuligerum. The specimens were insuf- 
ficient for aceurate identification. 
Genus MYXONEMA, Fries, 1825. 
10. МүхохЕмА SUBULIGERUM, ( Aütz.) Hazen, in Mem. Torr. Bot. Club, xi. 
(1902) p. 200, t. 30.—Stigeoclonium subuligerum, Küte. Sp. Alg. (1849) 
p.354; Tab. Phyc. iii. (1853) t. 5. fig. 1. 
Crass. fil. prim. 14°5-16 р; crass. ram. circ. 6-10 д. 
Tanganyika.—In plankton, Lofu River (5 Oct. 1904 ; поз. 123 and 124) 
Order CLADOPHORALES. 
Family CLADOPHORACEZ. 
Genus CHATOMORPHA, Katz. 
11. CHÆTOMORPHA LINUM, А2. Рус. Germ. (1845) р. 204; Rabenh. Рі. 
Europ. Alg. iii. (1868) р. 327.—Conferva Linum, О. F. Müll. Chaetomorpha 
sutoria, Berk. 
Crass. fil. 108-161 ш; crass. membr. cell. 6-8 д. 
Tanganyika.— Dredged from а few fathoms, Niamkolo Bay (3 Aug. 1904 ; 
no. 40). Floating on the surface, Kituta Вау (26 Aug. 1904 ; no. 79). 
Genus CLADOPHORA, Кш. 
12. ULADOPHORA FRACTA, (Dillw.) Hass. Brit. Freshw. Alg. (1845) р. 216. 
$. 55; Кг. Sp. Alg. (1849) p. 410.—C. fracta a. fracta normalis, Rabenh. 
Fl. Europ. Alg. ш. (1868) p. 334. 
