iSgi-l North American Hyphomycctcs. 25 



tufts collected together in irregular patches. Threads equal. 

 Head subglobose: spores ovate or oval, smooth, attached by 

 a slight apiculus. Cooke, Exs.,. No. 550. On old paper. 

 and rags." The description and figure corresponds closely 

 with some varieties of 0. glouicrulosuni. 



O. sulphur cum Cooke & Massee: Grevillea, Vol. XV 1 1, 



p. 3. <4 Tufts hemispherical or confluent, sulphur colored. 

 Threads septate, dichotomous, globosely capitulate at the 

 apex, papillate, conidia globose, hyaline (3-5/* diam). Epi- 



spore smooth. On rope." 



Rhopalomyccs Candidas Berkeley & Broome: see above sub 

 Oedocephalum pallidum (B. & Br.) Cost. 



R. cervinus Cooke: see above sub Oed. pallidum (B. & Br.)- 



R. cucurbitarum Berkeley & Ravenel: see above. 



R. elegans Corda: see above. 



R. nigripes Costantin: Bull d. 1. Soc. Hot. d. France, 1880 



p. 442. Les Muced. Simples, p. o7, fig 5. 



Head and fertile hyphae brown. Head 28 -- 30/i in diam. 

 Spores brown, elongate, rounded at one extremity, pointed 

 at the other. 25-o4x-s -S)/i. On Peziza arenaria. 



R. pallidas Berkeley & Broome: see above sub Oedoceph- 

 alum pallidum. 



The writer desires to express his indebtedness to the kind- 

 ness of Mr. Massee in communicating notes on Berkeley's 

 types, as well as to Prof. Farlow, for the privilege of examin- 

 ing several of the works consulted. 



New Hi 



Explanation of Plate III 

 Rhepalontyces elegans Corda. 



Fig. 1. Single fertile hypha with rhizoids X68. Fig. 2. Four spores X464 



Rhopalomyces strangulates % n. s. 



Fig. 3. Fertile hvphae natural size (as reduced.) Fig. 4. Fertile hypha 



X68. Fig. 5. Fertile head mostly denuded of sporesX232. Fig. 6. Base 



of fertile hypha showing rhizoids X232. Fig. 7. Five spores X4 6 4- Figs. 

 8-9, Early stages in formation of fertile hypha- X232. 



Explanation of Plate IV. 

 Oedocephalum ghmermhsum Bull.) Sacc. 



Fig. i. Three spores X 696. 



Vedocephalum pallidum (B. & Br.) Cost. 



Fig, 2. Fertile head of form on dead wood X464. Fi £ 3 Abnormal spore 

 production at apex of fertile hypha X4 6 4 F*g. 4 Five spores of form on 

 dead wood X 696. Fig. 5. lour spores of form on paper X 696. Fig. 6. Fer- 

 tile hypha of form on horse dum 0, fimetarium Kiess) X 4 6 4 Fig- 7- Five 

 spores of form on horse dung X696. 



