AMEROSPORAE '47 



a. Hyphae dark 



(i) Chains breaking up readily 



(a) Conidia globose or ovoid Torula 4: 247 



(b) Conidia clavate Gongromeriza 4:263 

 (2) Chains breaking up with difficulty 



(a) Chains curved Gyroceras 4: 266 



(b) Chains straight or nearly so Hormiscium 4: 263 



b. Hyphae hyaline Torulina 18 : 566 

 III. Conidia in heads or racemes; conidia usually piriform 



Echinobotryum 4: 268 



Macronemeae 



Hyphae manifest and distinct from the conidia 



I. Conidia dark, rarely subhyaline 

 I. Conidia not in chains 

 a. Conidia capitate 



(l) Fertile hyphae simple, but often with short apical branches 

 (a) Hyphae with apical branches or basidia 

 X. Biophilous Periconiella 4: 275 



y. Saprophilous 



(x) Apex with heterogeneous basidia 

 m. Apex swollen; basidia 3-4 Haplobasidium 10:578 

 11. Apex not swollen ; basidia many 



Stachybotrys 4:269 

 (y) Apex short-branched, rarely simple 

 m. Apex short-branched or simple 



(m) Apex not swollen Periconia 4: 270 



(n) Apex swollen Stachybotryella 18: 570 



n. Apex capitate-branched ; branches 2-3-f urcate and spine-bearing 



Cephalotrichum 4: 275 

 (b) Hyphae without apical branches or basidia 

 X. Conidia globose Trichobotrys 18:571 



y. Conidia boat-shaped curved ; hyphae dark-ringed 



Camptoum 4: 276 

 z. Conidia fusoid, sometimes subhyaline 



Acrotheca 4: 276 

 (2) Fertile hyphae branched below the apex 



(a) Hyphae forked below apex; conidia oblong 



Synsporium 4:278 



(b) Hyphae repeatedly dichotomous ; conidia globose or elliptic 



Dicyma 18:570 

 b. Conidia verticillate-pleurogenous 



(1) Hyphae dark nodose-inflated; conidia ovoid 



Gonatobotrjnim 4: 278 



(2) Hyphae hyaline, dark-ringed 



(a) Conidia globose-angulose Goniosporium 4: 280 



(b) Conidia fusoid Arthrinium 4: 279 



