702 Protococcoidese, Palmellaceas, Protococcus. 



gulis, raagnitudine variis, oblongis, ellipticis vel subcylindricis, ple- 

 ruraque leviter curvatis, ad polos rotundatis, nonnunquam subsphse- 

 ricis, ad 6-15 [x. crassis, 1-2-plo longioribus (10-26 ^.. longis), in 

 stratum flavo-aureum v. luteo-subaurantiacum, tenue, submucosum 

 (aere humido) vel subpulvereum aggregatis, nudis (membrana te- 

 ' nuissima, non distincta); plasmate oleoso aureo-flavescente vel 

 flavo-rubello, locello rubro ad 3 y.. lato, exoentrice locato prjiodito. 

 Had. ad parietes caldariorum horti cujusdam pragensis in Bo- 

 hemia (Hansgirg). 



7. Protococcus affinis Dickie Algae coU. at S. Paur*s Rocks in Journ. 1668 

 Linn. Soc. Bot. XIV, 1874, p. 358. — Sordide viridis ; cellulis glo- 

 bosis, 5-10 a. diam., in stratum tenue cumulatis. 



Hab. ad rupes stalactiticas «S. PauTs Rocks » in mari atlanti- 

 co circ. in media regione inter Araericara australera et Africara. 



— Proiococco viridi affiuis. 



8. Protococcus? stercorarius Berk, in Hooker Flora Antarct. p. 501. 1669 



— Strato aurantiaco, deraura subbrunneo; cellulis demura margi- 

 ne subpellucidis; nucleis subgranulatis, conformibus. 



Hab. in stercore bovino ad ins. uFalkland n. 



B. Species in aqua vel ad margines stagQorum vigentes. 



9. Protococcus infusionum (Schrank) Kirchn. Alg. Schles. p. 103, 1670 

 De-Toni e Levi Fl. Alg. Ven. III, p. 83, Haasg. Prodr. p. 113, 



n. 235, ChloroGOCGum infusionum Menegh. Nostoch. p. 27, n. 2, 

 t. II, f. 3, Rabenh. FI. Eur. Algar. III, p. 57, Proiococcus Mene- 

 ghinii Kuetz. Tabul. phycol. I, t. 3, Spec. p. 200, n. 28, Embryo- 

 sphcvra Meneghinii Trevis. Algh. coccot. p. 37, n. 63, Lepraria 

 infusionum Schrank in Act. Acad. Monac. 1811, p. 12. — Aqua- 

 ticus, viridis, mucosus; cellulis perfecte globosis, magnitudine 

 admodum variis, plerumque 15-45 (sed etiam usque ad 100) [x. latis; 

 membrana hyalina, distincta, crassa, concentrice striata (lamellosa) ; 

 plasmate saturate viridi, homogeneo, denique olivaceo-fuscescente, 

 in zoogonidia nuraerosissima elabeute. 



Hab. in aquis stagnantibus ubique fere vulgaris, aut corporibus 

 subraersis affixum aut libere natans. — Var. Roemerianum (Kuetz.) 

 llansg. Prodr. p. 143, Limnodiclyon Roemerianum Kuetz. Tab. 

 Phyc. I, t. 25, Rabenh. FI. Eur. Algar. III, p. 61, Palmogkm Roe- 

 meriana Kuetz. Phycol. germanica p. 153, n. 4, Spec. Alg. p. 230, 

 n, 15: natans, raembranaceus, viridis; cellulis primo rotundatis, dein 



