RAMULARIA. 345 



fasciculate, nodulose, not septate, colourless, 20 X 3 /x; 

 conidia fusoid ; 2430 X 45, at first continuous, then 1- 

 septate, colourless. 



Eamularia Mlebori, Fckl., Symb. Myc., p. 361 ; Sacc., 

 Syll., iv. n. 970. 



On leaves of Helleborus foetidus and H. viridis. 



Ramularia ulmariae. Cooke. 



Spots, irregularly angular, whitish, often with a rufous 

 margin ; hyphae fasciculate, simple or rarely with very 

 short branchlets, sparingly septate, 30-50 x 4 p.; conidia 

 cylindrical, ends obtuse, for a long time continuous then 

 1-septate, 15-25 X 4-5 /A, colourless. 



Eamularia ulmariae, Cke., Grev., iv. p. 109 ; Sacc., Syll., 

 iv. n. 989. 



On living leaves of meadow-sweet (Spiraea ulmaria). 



Ramularia geranii. Fuckel. 



At first appearing as whitish, minute scattered tufts 

 seated on brownish spots, then becoming confluent ; fertile 

 hyphae short, 30 X 2 /x, nodulose, not septate ; conidia 

 cylindrical, ends obtuse or apiculate, 18-20 x 2-5-3 /x, 

 colourless, 1-septate. 



Eamularia geranii, Fuckel, Symb. Myc., p. 361, t. 1, f. 23 ; 

 Sacc., Syll., n, 994. 



On the under surface of the leaves of various species of 

 Geranium, as G. pusillum, G. pratense, G. dissectum, G. silva- 

 ticum. 



Ramularia Keithii. Mass. 



Tufts lax, whitish, thin yellowish-green, becoming con- 

 fluent and rather broadly effused ; fertile hyphae tufted, 

 short, subsimple; conidia subcylindrical, obtuse, colourless, 

 1-septate, 30 x 5 p. 



Eamularia malvae, var. Malvae moschatae, Sacc., Syll., iv. 

 n. 995. 



On living leaves of Malva moschata. 



Ramularia lapsanae. Sacc. 



Spots at first indistinct, then becoming dry and pale ; 

 hyphae in small tufts, simple or with short branches, 

 30-50 X 3 fj., continuous; conidia tereti-fusoid, 10-15 X 



