386 (Joufervoideffl, Pithopliorace:e, Fitliopliora. 



raibus, sursum brevi-acuminatis, apice subrotundato, circ. 219 w 88; 

 parte thalli rhizoidea plerumque unicellulari. 



Hab. m aquariis calidariorum in horto botanico korvensi Bri- 

 tanniic (Wittrock), in Florida (Wolle). 



4. Pithophora Edogonia fMont.) Wittr. On the Devel. and Syst. Ar- lOH '- 

 rang. of the Pitlioph. p. 55, t. G, f. 1-6, Hedwigia 1878, p. 120, 

 Cladophora (Edogonia Mont. Crypt. Guyan. n. 40, Syll. crypt. 



n. 1621, Kuetz. Tab. Phyc. VI, p. 1, t. I, 1 (male). - Gracilis, 

 elongata; filamento priDcipali partis thalli cauloidese speciminum 

 fertilium circ. 70 y.. crasso, ramos trium ordinum singulos vel bi- 

 nos oppositos ferente ; ramis subacinetalibus non raris; acinetis 

 plerumque singulis (non raro binis) vel inclusis vel terrainalibus ; 

 acinetis inclusis orculseformibus, circ. 230 =; 114 ; acinetis termina- 

 libus orculaBformibus, sursum brevi-acuminatis, apice subrotun- 

 dato, circ. 214 ^^b. 



Hab. In puteis hospitii nautici pr. aCayenne)) Araericae au- 

 stralis (Leprieur). — Var. vaucherioides WoUe Freshw. Alg. U. 

 S. p. 130, t. 113, f. 1-7, Cladophora vaiwher loides WoWe 1878: 

 filaraento principali partis thalli cauloidecno specirainum fertilium circ. 

 65 a. lato, ramis partim solitariis, partira oppositis; rarais acine* 

 tigeris pro ratione frequentibus; acinetis ut plurimura singulis, 

 subinde gerainis, partiai inclusis partira terrainalibus; acinetis in- 

 clusis orculseforraibns; 220^95; acinetis terminalibus orculaeformi- 

 bus, 220 iJ 80, superne conoideo-attenuatis, apice rotundato. In sta- 

 gnis ad «Bethlehem )) in Pensylvannia, ad uPlainfleld)) in New 

 .Jersey America) borealis (Wolle). 



5. Pithophora affinis Nordst. De Algis et Characeis Sandwiceusibus loi"' 

 p. 19. — Filo principali partis thalli cauloiderc speciminura ferti- 

 lium circ. 64 a. (46-90) crasso, ramos duorum ordinum singulos 



vel oppositos ferente; rarnis subacinetalibus nullis ; acinetis plerum- 

 que singulis (non raro binis) vel inclusis vel terrainalibus ; acine- 

 tis inclusis orculaeforraibus, circ. 103 (67-140) u.. crassis et 185 

 (124-280) 'J: longis; acinetis terrainalibus orculseforniibus, sursum 

 brevi-acuminatis, apice rotundato vel obtuso; parte thalli rhizoidea 

 sa?pe ramos prirai ordinis emittente, sporifera. 



Hab. ad uHilo)) insula; «Hawaiin in archipelago sandwicensi 

 (S. Berggren). — Cum Pithophora (Edogonia (Mont.) Wittr. 

 crassitudine, rarais urirai ordinis ssepe oppositis, acinetis binis non 

 raris, parte rhizoidea s;epe raniosa valde congruit sed raniis tertii 



