DICTYOSPORAE iS3 



Micronemeae 



Hyphae very short or scarcely different from the conidia 



I. Conidia not in chains 



1. Conidia muticate 



a. Conidia irregularly muriform or sarciniform 

 (i) Conidia with a conic point at each side 



Oncopodium i8: 6i6 

 (2) Conidia muticate 



(a) Conidia globose to oblong 



X. Conidia ovoid to oblong, loose Sporodesmium 4:497 

 y. Conidia globose to ovoid, aggregated 



Stigmella 4: 507 



(b) Conidia sarciniform, often coalescent 



Coniothecium 4: 508 



b. Conidia as if composed of parallel chains of cells 

 (i) Chains of conidia never separating 



Dictyosporium 4:513 

 (2) Chains of conidia separating Spira 4:514 



2. Conidia corniculate at apex Tetraploa 4:516 



II. Conidia in chains, often asperate or with isthmi 



Sirodesmium 4:516 



Macronemeae 



Hyphae distinctly different from the conidia 



I. Conidia of the same form 

 I. Conidia not in chains or capitate 



a. Conidia bearing little conidia on their surface 



Xenosporium 18:612 



b. Conidia normal 



(1) Hyphae alike 



(a) Conidia cruciate-divided, verrucose 



tTetracoccosporis 18: 617 

 (Tetracoccosporium) 



(b) Conidia muriform, typically smooth 



X. Hyphae decumbent Stemphylium 4: 519 



y. Hyphae erect or ascending 



(x) Conidia globose, pleurogenous 

 m. Conidia around the apex of the hyphae 



Coccosporium 4: 542 

 n. Conidia conglobate around the base 



Trichaegum 4:542 

 (y) Conidia ovoid to oblong, mostly acrogenous 



Macrosporium 4:523 



(incl. Mystrosporium 4:539) 



(2) Hyphae of two kinds, longer sterile, shorter fertile 



Septosporium 4: 543 

 2. Conidia capitate Dactylosporium 4:545 



