BOTETTL?. 319 



Botrytis aclada. Fr. 



Forming minnte browTiist tnfts ; hyphae Tmbraiiched, 

 septate, erect ; conidia elliptic-obloiig, almost colourless, 

 i3-S X -5—6 m aggregated in elongated clusters at the tips of 

 the hyphae. 



Botrytis aelada, Fres., Beitr., p. 16, t ii. £ 23-2i; Sacc, 

 StIL, iv. n. 672. 



On decaying onion scap^ 



C. Crigtularia. 



Tips of the branchlets scarcely inflated, cristato-crenate or 

 digitate. 



Botrytis depraedens. Sacc. 



Forming grey determinate or confluent spots on leaves ; 

 hyphae colourless, ascending, septate, ■wavy, nnbranched, 

 terminated by elliptical basidia-lite cells, the terminal one 

 bilobed; head of conidia globose, snbcompact; conidia 

 globose, hyaline, 12 fi. diameter. 



Botrytis depraedens, Cooke, some remarkable moulds, 

 Quelet, ilicr. Joum., v. : Sacc., Syll., iv. n. 692. 



On sycamore leaves (Acer pseudo-pleUamis). which it 

 destroys. 



D. Phymatolrichum. 



Tips of branches inflated and everywhere covered -with 

 pointed wart-like projections bearing the conidia. 



Botrytis tiicepliala. Sacc. 



Tufts minute, elliptical, white, 3 mm. long ; sterile hyphae 

 hyaline, loosely interwoven ; fertile simple, erect, septate, 

 10 /t thick, simple above or divided into two branches each 

 again divided into 3 short branchlets with globose inflated 

 tips, from which originate the globose conidia, measuring 5 n 

 diameter. 



Botrytis tricephala, Sacc., Syll., iv. n. 693. 



Acmosporium trieepTuHamj Phillips, in Grard. ChronT Mar. S, 

 1884, fig. 61. 



On faUen leaves of Cryptomeria Japcniea. 



