650 PERTSPORIACEI. 



times the length of the diameter of the conceptacles. — Calocla- 

 dia comata,Lev.Ann.des. Sc. Nat. 1851, xv. p. 167, t. 9,/. 23. 

 Cooke Seem. Journ. t. xlv./. 5. Cooke.exs. no. 94. Cooke M.F. ii. 

 ed.p.2'2.Q. FcM. exs. no.^%2. Erysihe Euonymi^DC. Fl. Fr.m. 

 p. 105. E. penicillata, e. Euonymi, Fr. S.M. iii. p. 244. 



On the leaves of Euonymus Europceus. September. 

 Gen. 282. ERYSIPHE, Hedw. 



Mycelium arachnoid; append- 

 ages floccose, simple, or irregu- 

 larly branched. — Berk. Outl. p. 

 404. {Fig. 317.) 



Fig. 317. 



* Sporangia 2-spored. 



1924. Erysiphe Linkii. Lev. "Mugwort Blight." 



Amphigenous ; mycelium web-like, fugacious or persistent ; 

 conceptacles minute, globose, scattered, emersed; appendages 

 white, interwoven with the mycelium ; sporangia 8-20, pyri- 

 form, with elongated pedicels. — Lev. Ann. Sc. Nat. 1851, xv.p. 

 161,^.10,/. 29. Cooke 31. F.t.iiii. f. 248, 249. Cookeexs.no. 

 199. Fckl.exs. no. 648,649. E. communis. Eng. FLy. p.32D 

 (jpartly). 



On leaves of mugwort. Autumn. 



1925. Erysiphe lamprocarpa. Lev. " Composite Blight." 



Amphigenous ; mycelium web-like, fugacious, or persistent ; 

 conceptacles minute, globose, scattered, or gregarious ; append- 

 ages coloured, interwoven with the mycelium; sporangia 8-16, 

 shortly pedicellate. — Lev. Ann. Sc. Nat. 1851,xv. j9. 163, 1. 10,/. 

 31. Cooke M.F. 1. 12, f. 250, 251. Cooke exs. no. 200. Fckl. exs. 

 no. 650-658. 



On leaves of Salsify, Scorzonera, Plantain, &c. Autumn. 



(Fig. 317, Conceptacle aiid Sporangium, magnified.) 



