CONTRIBUTIONS FROM THE CRYPTOGAM IC LABORATORIES 

 OF HARVARD UNIVERSITY. 



LXX— CULTURE STUDIES OF FUNGI PRODUCING BUL- 

 BILS AND SIMILAR PROPAGATIVE BODIES. 



By John William Hotson. 



Presented by Roland Thaxter. Received June 19, 1912. 



Contents. 



Page 



Introduction 228 



Review of Literature  231 



Sources of Material 239 



Culture Methods 239 



Systematic. Consideration of the Forms studied 241 



Discomycetous Forms 242 



Cubonia bulbifera n. sp 242 



Lachnea theleboloides (A. & S.) Sacc 247 



Peziza species, Zukal 248 



Pyrenomycetous Forms 248 



.U< lanospora papillata n. sp 251 



" cereicula n. sp 254 



nnomala n. sp 257 



Mr lanospora Gibelliana Mattirolo 260 



Melanospora globosi Berl .260 



Sphaerorternia bulbillifcrum Berl 261 



Ceratostoma species (Bainier) 261 



Forms doubtfully Referred to the Pyrenomycetes 262 



Papulospora Candida Sine- 262 



Acrospeira mirabilis B. & Br 265 



Basidiomycetous Forms. 267 



Grandinia crustosa (Pers ) Fr 267 



Corticium ahiiaceum (Schrader) Bresadola 269 



Papulospora anomala n. sp 270 



"Bulbil No. 200" . 271 



Bulbils not yet Connected with any Perfect Forms and Included 



in the Form-Genus Papulospora 272 



Papulospora 273 



immersa n. sp 273 



pannosa a. sp 275 



irregularis n. sp 276 



spinulosa n. sp 277 



coprophila < Zukal) 27s 



rubida a. sp 281 



sporolrichoides a, >\>. 282 



