i64 STERILE MYCELIA 



Staurosporae 



4:753 

 Conidia angulose-stellate, hyaline 



I. Sporodochia scutellate, pilose Stephanoma 4: 753 



Helicosporae 



11:654 

 Conidia spirally twisted, smoky 

 I. Sporodochia pulvinate Troposporella 11: 654 



Sterile Mycelia 



14:1138, 16:1108, 18:690 

 Conidia permanently absent so far as known 



I. Parasitic on algae Lepraria, Pulveraria, etc. Z. 239 



II. Not parasitic on algae 



1. Tubercle-like 



a. Tubercles connected with fibrils Rhizoctonia 14:1175 



(Coccobotrys 16: 1108) 

 b. Tubercles without fibrils 



(i) Cortex discrete Acinula 14:1174 



(2) Cortex not discrete Sclerotium 14: 1139 



2. Maculif orm ; black stromata in leaves and stems 



Ectostroma 14: 1177 



3. Root-like 



a. Filaments rigid, broad, terete or depressed, dark, white within 



Rhizomorpha 14: 1180 



b. Filaments rigid, capilliform, dark, closely adhering 



Capillaria 14: 1184 



4. Clavariform ; filaments terete, vertical, simple or branched 



Anthina 14: 1184 



5. Cobwebby or byssoid 



a. Cespitose interwoven, primary hyphae joined in bundles 



Ozonium 14: 1187 



b. Cespitose interwoven, hyphae not fasciculate, black 



Rhacodiutn 14: ii8g 



c. Cobwebby, soft, fleeting, white or pale Hypha 14:1192 



d. Adpressed, creeping, dendritic, white to brownish, not forming a continuous 



membrane Himanlva 14: 1194 



6. Membrane-like; densely interwoven, forming a continuous suberose or coriace- 



ous membrane Xylostroma 14: 1197 



7. Deformed, discolored corky cells of plants 



Phloeoconis 14: 1197 



