BOTRYTIS. 317 



clustered at tips of branchlets, elliptical, smooth, pale brown, 

 10-12 X 7-9 /x. 



Botrijtis vulgaris, Fries, Syst. MycoL, iii. p. 398; Sacc, 

 Syll., iv. n. 664. 

 ' On decaying fruit, flowers, leaves, wood, &c. 



The following varieties, some of which have not j'et been 

 met with in Britain, are known. 



Var. plebeja, Fres., Beitr., p. 13, t. 11, f. 1-7. 



Tnfts greyish-olive, hyphae rather rigid, ascending or 

 erect, septate, sparingly branched or subsimple, fertile 

 branches divided in a binate or ternate manner at the apex, 

 nodulose; conidia elliptical, hyaline, 10-14 X 7-8 /x, smooth, 

 borne on very minute, verrnculose branchlets that S2)ring 

 from the nodulose portions of the branches. 



On dead or fading leaves, branches, &c. 



Var. condensata, Sacc, Mich., ii. p. 358. 



Tufts suberumpent, grey; conidia 10-12 x 9-10 /x. 



Parasitic on Tuhercularia. 



Var. furcata, Fres., Beitr., p. 13, t. ii. f. 8-11. 



Tufts olive, hyphae 1 • 5 mm. high, once or twice forked, 

 bearing tufts of conidia here and there ; conidia globose, 

 10-15 [x diameter. 



On damp paper. 



Var. interrupta^ Fres., I.e., figs. 12-14. 



Tufts brownish ; hyphae subsimple, elongated, subnodulose, 

 conidia globoso-ellipsoid, 11-15 fx long, arranged in elongated 

 clusters at the nodes and resembling an interrupted spike. 



On onion scape. 



Botrytis cana. Kunze & Schm. 



Forming subrotund hoary tufts that are often crowded or 

 confluent ; hj^phae septate, branched above in a botryoid 

 manner ; conidia elliptical, pale brown. 



Botrytis cana, Kunze & Schm., Myk., Heft i. p. 83 ; Sacc, 

 SylL, iv. n. 129 (not of Corda). 



Polyactis cana, Bon., Hdbk., p. 115, f. 156. 



On dead leaves of various plants. 



Botrytis vera. Fr. 

 Forming minutely woolly tufts of a greyish colour ; fertile 



