314 FUNGUS-FLOKA. 



Whitish. 



Botrytis trabea. Sacc. 



Forming minute pale spots; fertile hyphae erect, septate, 

 sparingly branched in a forked manner, branches divided at 

 the apex into 3-5 slender branchlets, each bearing a single, 

 globose, colourless conidium, 5-6 /a diameter. 



Botrytis trabea, Sacc, Syll., iv. n. 597. 



Stachylidium traheum, B. & Br., Ann. Nat. Hist., n. 1920, 

 t. 3, f. 6. 



On an old beam. 



Botrytis coroUigena. 0. & M. (fig. 7, p. 274.) 

 Pure white. Sterile hyphae scanty ; fertile, erect, septate, 

 7-8 /A thick, elongated, very shortly branched near the tip ; 

 conidia elliptical, crowded in small subglobose heads, con- 

 tinuous, hyaline, smooth, 25 X 15-18 /j.. 



Botrytis coroUigena, Cke & Mass., Grevillea, xvi. p. 10. 

 On fading corollas of Calceolaria. 



Botrytis gonabotryoides. C. & M. 



Whitish. Hyphae gregarious but not fasciculate, erect, 

 simple or furcate, septate, pale olive below, conidia elliptical, 

 continuous, hyaline, 16 x 7-8 /j,, in subglobose, apical 

 clusters, and also in three or four similar clusters at various 

 heights around the septa of the hyphae, but the joints are 

 not swollen, conidia-bearing branchlets short and crested at 

 the tip. 



Botrytis goiiabotryoidps, Cke. & Mass., Grev., xvi. p. 79. 



On dead leaves of Hypericum calycinum. 



** Beddish or lilac. 



Botrytis coccotricha. Sacc. 



Tufts rather large, pallid, then dingy rose-coloured ; 

 hyphae branched in a dichotomous, rarely trichotomous 

 manner, 6-7 ju. thick, colourless below, rosy towards the 

 tip ; conidia generally solitary at the attenuated tips of the 

 branchlets, elliptical, 25-30 ft, long, at first granular, rufous- 

 ferruginous. 



Botrytis coccotricha, Sacc, Fung. Ital., t. 694 ; Sacc, Syll., 

 iv. n. 614. 



On decayed branches. 



