484 FUNGUS-FLORA. 



Fusarium Kuhnii. Sacc. 



Mycelium cobweb-like, white, effused, consisting of slender 

 branched hyphae, at length disappearing; sporodochium 

 irregularly oblong, horny, clay-colour, texture areolate, 

 hardly visible to the naked e} e ; cotiidia slightly lunate, 

 1-septate, hyaline, 12 x 4 //,. 



Fusarium Kuhnii, Sacc., Syll., iv. n. 3384. 



Fusisporium Kuhnii, Fuckel, Symb. Myc., p. 371. 



On lichens and mosses, especially when growing on 

 poplars. 



Fusarium betae. Mass. (fig. 27, p. 412.) 



Somewhat trenielloid, orange-red, irregularly lobed and 

 more or less effused; fusiform, slightly curved, 3-5-septate 

 at maturity, hyaline, 35-40 x 4 /x,; conidiophores short, 

 branched, slender, septate. 



Fusisporium letae, Desm., Ann. Sci. Nat., 1830, vol. xix. 

 t. 18, fig. 2. 



Fusicolla letae, Sacc., Syll., iv. n. 3142. 



Pionnotes letae, Sacc., Syll., iv. n. 3470. 



On decaying beetroot. Forming subgelatinous, effused, 

 orange-red patches. The British fungus agrees exactly 

 with Desmaziere's specimens, and is a true Fusarium. Sac- 

 cardo quotes Desm. under both genera given above. 



II. FUSAMEN. Conidia fusiform, falcate or cylindrical; 

 continuous (or septa not indicated). 



Fusarium salicinum. Corda. 



Stroma subcortical, forming pale patches; hymenium 

 orange, effused, gyrose; sporophores filiform, fasciculate; 

 conidia elongated, 12-15 p., cylindrical, lunulate, con- 

 tinuous. 



Fusarium salicinum, Corda, Ic. Fung., iii. p. 33, t. 6, f. 87 ; 

 Sacc., Syll., iv. n. 3391. 



Fusarium rhabdophorum. B & Br. 



Erumpent, brown, base orbicular; conidia straight, rod- 

 shaped, 15 IJL long. 



Fusarium rhabdophorum. B. & Br., Ann. Nat. Hist., n. 1612 ; 

 Sacc., Syll., iv. n. 3395. 



On dead branches. 



