640 THE FUNGI WHICH CAUSE PLANT DISEASE 



Conidiophores vernicose 10. Dacrymycella. 



Conidiophores not verrucose 



Uredinicolous 11. Tubercixlina. 



Not uredinicolous 

 Sporodochia globose 

 Conidia globose; conidio- 

 phores short 12. .Sgerita. 



Conidia ovoid; conidiophores 



branched 13. Granularia. 



Sporodochia pulvinate 



Conidia acicular 14. Elmetia. 



Conidia terete-oblong 15. Bactridiopsis. 



Sporodochia disk-shaped 16. Hymenula. 



Sporodochia cupulate 17. Hyphostereum. 



Sporodochia verruciform or 

 effuse 

 Conidiophores simple 

 Conidiophores radiate, 



united at base 

 Conidiophores not arising 



from a cellular mass. . 18. Clinoconidium. 

 Conidiophores arising from 



a cellular mass 19. Ustilaginoidea, p. 643. 



Conidiophores not imited or 



radiate 20. Sphacelia, p. 643. 



Conidiophores dendroid 



branched 21. Dendrodochium, p. 643. 



Conidia in chains 



Conidia covered with mucus. ... 22. Collodochium. 

 Conidia without mucus 

 Conidia globose 



Conidia hyaline 23. Sphserocolla. 



Conidia blue 24. Sporoderma. 



Conidia elliptic to oblong 

 Sporodochium disk-shaped, 



orange-red 25. Necator, p. 643. 



Sporodochium subglobose, 



whitish 26. Patouillardia. 



Conidia cylindric 

 Sporodochium dilated above, 



stalked 27. Bizzozeiiella. 



