676 Protococcoideae, Palmellacefe, Capsulococcus. 



terales oblique oppositae, discretce, substipitatse, lunatae, hae iterum 

 in tetrades dividendre (ill;€ zoogonidia proierentes?), familias libere 

 natantes botryoideas constituentes. 



Obs. Genus habitu quasi Dzcttjosp/uerii. 



1. Dimorphococcus lunatus A. Braun Alg. unicell. p. 44, Rabenh. 1587 ] 

 Alg. n. 484!, FJ. Eur. Algar. III, p. 36, Cooke Brit. Freshw. Alg. J 

 p. 27, Archer in Q. M. J. S. 1872, p. 195, 197. — Viridis; apici- ■ 

 bus cellularum hyalinis; diam. long. cell. 10-20 p.. ■': 



Ilab. in stagnis ad Friburgum brisgoviense et prope Beroli- j 



num (A. Braun) nec non ad u Neudamm )) iu Germauia (Itzigsohn), i 



in Suecia (sec. Skand. Vaexter); « N. Wales )) in Britannia (Ar- i 



CHER). \ 



2. Dimorphococcus cordatus WoUe Freshw. Alg. U. S. p. 199, t. 160, i588 : 

 f. 30-38. — Cellulis cordatis, extrorsum reniformibus, obtuse o- . 

 vatis vel oblongis, apicibus rotundatis incurvis ssepeque constri- 

 ctione (?) profunda quoque latere instructis, singulis vel 2-4-8 in 

 massas botryoideas subirregulariter consociatis, 4-8 u.. latis, circ. j 

 duplo diametro longioribus. \ 



Hab. libere natans in stagnis in Pensylvania, New-Jersey et j 

 Florida Americse borealis (Wolle). — Familise sa?pe filamentis 



hyalinis, gracilibus, radiantibus, gelatinosis Dic/.yosphcerii ad iu- \ 



star connexa3. 



I 



CAPSULOCOCCUS Bennett [1888] in Journ. R. Microsc. Society 1888, 



p. 3 (Ftyra. capsula et coccus granurn), De-Toni Consp. gen. Chlo* ' 



rophyc. in Notarisia 1888, n. 2, p. 452. — Cellulae virides, glo- j 



bose, solitariae vel 2-8 in familias consociatse, tegumento lamel- ^ 



loso, firmo vel subgelatinoso, subgloboso vel ovoideo, crateriformi, ' 

 fusco, denique subsolido. 



Obs. Cum genere raihi dubio Exococco Naeg. (de quo cfr. Ra- 



benh. Fl. Eur. Algar. III, p. 91 comparandum. j 



1. Capsuiococcus crateriformis Bennett loc. cit. p. 3, t. I, f. 6-8 et i589 j 



in Notarisia 1888 p. 524. — Cellulis magnis, laete viridibus, plerum- ] 



que solitariis, 20-25 u.. diam., globosis vel subeilipsoides vel e cel- ^ 



lulis 2-8 minoribus efformatis; tegumeulo plus minus sordide brun- 1 



neo, lamelloso, ambitu globoso vel ovoideo, 25-80 a. diam., deiu | 



subindurato. ^ 

 Hab, in stagnis paludosis ad « Barrowdale )) in Britannia, 



