306 FUNGUS-FLORA. 



Bliinotrichum, Corda, Ic. Fung., i. p. 17 ; Sacc, Syll., iv. 

 p. 91. 



* Wldtish or greyish. 



Rhino tri chum repens. Preuss. 



Tufts grey or yellowish ; mycelium, branched, septate, 

 creeping, interwoven ; fertile branches erect, septate, above 

 with spine-like warts that bear the conidia in loose clusters ; 

 conidia elliptical, apiculate at the base, smooth, pale grey, 

 protoplasm granular, 18-23 X 10-12 /x. 



Bhinotriclmm rei^ens^ Preuss, Sturm, p. 6, t. 22 ; Sacc, 

 Syll., n. 443. 



On rotten wood. 



Rhinotrichum niveum. Oke. & Mass. (fig. 6, 

 p. 274.) 



Tufted, caespitose, snow-white ; fertile hyphae erect, 

 simple, septate, not quite so thick as the diameter of the 

 spores ; upper joint, and sometimes the one below^, bearing 

 conical spicules that bear the conidia; conidia continuous, 

 hyaline, ovate or broadly elliptical, smooth, with a persistent 

 minute apiculus at the base, 20-25 x 10-12 fx. 



BMnotrichum niveum, Cooke & Massee, Grevillea, vol. xvi. 

 p. 10. 



On dead wood. 



Rhinotrichum opuntia. B. & Br. 



"White. Hyphae rather thick, simple below, towards the 

 top forked 2-3 times, here and there rather swollen, tips of 

 branchlets thickened, and furnished with miuute wart-like 

 projections that bear the globose, colourless conidia, mea- 

 suring 8-9 fx diameter. 



BMnotriclmm ojmntia, B. & Br., Ann. Nat. Hist., n. 761, 

 t. xvi. f. 13 ; Sacc, Syll., iv. n 445. 



On w'ood. 



Rhinotrichum decolorans. Cooke. 

 Snow-white then brownish ; hypha erect, tip 2-3 times 

 furcate in a corymbose manner, tips slightly swoUen, 

 minutely denticulate ; conidia globose, minutely rugulose, 

 colourless, apiculate, 10 /x diameter. 



