ASCOMYCETES 383 



tips; conidia grouped in heads, almost colourless, about 

 9X6 fji. 



On living leaves and youngest internodes of seedling 

 Abies douglasii and Sequoia gigantea. 



Distr. Germany, Holland, England. 



Sclerotinia parasitica, Massee ; Botrytis parasitica, 

 Cavara, App. Pat. Veg., 10, tab. vi. f. 1-4 ; Sacc., SylL, x. 

 536. Conidiophores grey, scattered, erect, basal joint 

 inflated ; conidia obovate, large, shortly pedicellate, on 

 short umbellately arranged branchlets, hyaline or tinged 

 grey, 16-21 X 10-13 /* j sclerotia formed in the parenchyma 

 of the host, globose-depressed, smooth, greyish, then 

 black, 2-3 mm. diam., sometimes numerous, and forming 

 black crusts. 



Botrytis on leaves, stem, and flowers of cultivated tulips ; 

 sclerotia more especially on the bulbs. 



Distr. Holland, Britain. 



Sclerotinia paeoniae, Massee ; Botrytis (Phymatotrichum) 

 paeoniae, Oud., Comptes Rendus de PAcad. Sci. Pays-Bas, 

 1897. Conidiophores pale brown, erect, very numerous, 

 not caespitose, but equally diffused over the infected part, 

 J-i mm. high, branched upwards, branchlets 3-5, spirally 

 arranged, spreading, simple or variously divided, tips 

 dilated, muriculate. Conidia forming heads, oblong or 

 ovate-oblong, colourless or tinged, attached to very slender 

 sterigmata springing from the inflated tips of the branch- 

 lets. On the stems of cultivated paeonies. 



Distr. Holland, England. 



Sclerotinia douglassii, Massee = Botrytis douglassii, 

 Tubeuf. Mycelium endogenous, fuliginous, septate, 14 /x 

 thick ; fertile hyphae subfasciculate, tinged brown, erect, 



