148 



2199. C. epiphyllum, Nees. Reg. Rep. 25, p 94. 



Dead leaves. 



2200. C. Typhae, Schw. Reg. Rep. 27, p. 105. 



Dead leaves of Typha. 



2201. C. lignicola, Cd. Reg. Rep. 27, p. 105. 



Wood. 



2202. C. depressum, B. and Br. Reg. Rep. 30, p. 54. 



Living leaves of Archangelica atropurpurea. In the American 

 specimens the filaments are longer than in the typical form, 

 but the difference scarcely seems of specific value. 



772. STREPTOTHRIX, Cd. 



2203. S. atra, B. and C. Reg. Rep. 23, p. 61. 



Dead branches of Carpinus, etc. 



773. POLYTHRINCIUM. Kze. 



2204. P. Trifolii, Kze. Reg. Rep. 22, p. 94. 



Living leaves of clover. 



774. ASPERGILLUS. Mich. 



2205. A. glaucus, Lk. Reg. Rep. 26, p. 79. 



Decaying fungi. 



775. PERONOSPORA, DeBy. 



2206. P. parasitica, Pers. Reg. Rep. 26, p. 79. 



Living leaves of Cardamine rhomboidea. 



2207. P. effusa, Grev. Reg. Rep. 29, p. 52. 



Living leaves of Chenopodium album. 



2208. P. Corydalis, DeBy. 



Living leaves of Dicentra [Diclytra) Canadensis. 



776. RAMULARIA, Ung. 



2209. R. Nemopanthis, C. and P. Reg. Rep. 29, p. 52. 



Living leaves of Nemopantlies Canadensis. 



2210. R. obovata, Fckl. (Peronospora obliqua, Cke. Reg. Rep. 28, p. 63, 



Ovularia obovata, Sacc.) 

 Living leaves of Riaue.x crispus, 



777. CYSTOPUS, DeBy. 



2211. C. cubicus, Str. Reg. Rep. 25, p. 91. 



Living leaves of Tragopogon and Ambrosia. 



