532 THE FUNGI WHICH CAUSE PLANT DISEASE 



Entomosporium L6viell6 (p. 531) 



Pycnidia depressed, subglobose, not ostiolate, black; conidia 

 4-celled, cruciate, each arm 1-ciliate. 



A genus of three species of parasites. In part=Fabrea. 



E. mespili (D. C.) Sacc. =F. mespili. See p. 150. 



E. maculatum Rev. on pear and quince =F. maculata. See 

 p. 149. 



E. thumenii (Cke.) Sacc. occurs on hawthorn. 



Leptostromatacese-Scolecosporse (p. 528) 

 Conidia usually hyaline, linear or filiform, continuous or septate. 



Ret to Genera of Leptostromataceae-Scolecosporae 



Pycnidia astomous or opening variously 

 Pycnidia with a round ostiole; conidia 



catenulate 1. Crandallia. 



Pycnidia astomous or irregularly dehis- 

 cent 

 Pycnidia with radiate-fimbriate mar- 

 gin 2. Actinothyriuin. 



Pycnidia not radiate-fimbriate 

 Pycnidia of two kinds, small simple, 



and large and loculate 3. Bninchorstia, p. 532. 



Pycnidia of one kind 

 Conidia muticate 

 Pycnidia corrugate, not hairy; 



conidia not separating 4. Melophia. 



Pycnidia hairy; conidia separat- 

 ing into joints 5. Chsetopeltis. 



Conidia ciliate-penicillate at 



apex 6. Giulia. 



Pycnidia elongate, longitudinally cleft 7. Leptostromella, p. 533. 



Brunchorstia Eriksson 



Pycnidia erumpent, irregular in form, the smaller occurring 

 singly, the larger as chambers in a stroma, opening by an irregular 

 pore ; conidia filiform, septate. A single species. 



B. destruens Erik, on pine=Cenangium abietis. See p. 151. 



