124 PB0F. G. DICKIE ON ALGjE FBOM 



Chboolepide^;. 



Cheooleptjs flavum, Kuetz. On trees, east bank, Rio Madeira. 

 Long since recorded as found in Chili and Peru. 



TTlothbicaceje. 

 Ulotheex: oscillabia, Kuetz. ? Pools in sandbank, R. Purus. 



CEdogoniacej:. 



Buiboch^te pedicellata, Mont. Apparently identical with 

 the species described by Montagne from French Guiana. On 

 decaying plants, Lago Paxusara, near Montealegre. 



GEdogonium capillacetjm, Kuetz. Near Manaos ; in Rio 

 Jurua and near Para. 



(E. capillaee, Kuetz, yar. pannosum. Forming dense strata on 

 wet sandstone rocks at Manaos. 



(E. delicatuluh, Kuetz. ? Near Para. 



(E. fasctatum, Kuetz. Pools on the beach, Rio Purus. 



CE. scutatttm, Kuetz. Rio Trombetas. 



CONFEEVACE^I. 



Cladophoea mollis, Ag. Near Manaos ; and Barreiras de 

 Capana, Rio Purus. 



Rhizoclonittm antillabum, Kuetz. Near Obydos. 



R. spongiosum, n. sp. Pallide viride, dense intricatum, in 

 csespites spongiosos expansum, articulis duplo v. quadruplo dia- 

 metro longioribus. 



Forming spongy masses \ to \ inch thick on wet sandstone 

 rocks near Manaos. 



Confeeva antillabttm, Kuetz. Caxoeira grande, near Manaos ; 

 and at Santarem. 



Glceotila nigbescens, n. sp. Mucosa, nigro-yiridis, arti- 

 culis diametro ("0004 unc.) plerumque sequalibus. In Rio Trom- 

 betas. 



G. atjbea, n. sp. Membranacea, aurea, articulis aequalibus, 

 quadratis, diametro 0003 unc. Rio Madeira. 



