484 FUNGUS-FLORA. 



Fusarium Kiihnii. Sacc. 



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

 branched hyphae, at length disappearing; sporodochium 

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

 hardly visible to the naked eye ; conidia slightly lunate, 

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



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



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



On lichens and mosses, especially w^hen growing on 

 poplars. 



Fusarium betae. Mass. (iig. 27, p. 442.) 



Somewhat tremelloid, orange-red, irregularly lobed and 

 more or less eifused; fusiform, slightly curved, S-S-sej^tate 

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

 branched, slender, septate. 



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

 t. 18, fig. 2. • 



FasicoUa hetae, Sacc, Sj'll., iv. n. 3142. 



Pionnotes hetae, Sacc, Sylh, iv. n. 3470. 



On decaying beetroot. Forming subgelatlnous, 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 sejpta not indicated). 



Fusarium salicinum. Corda. 



Stroma subcortical, forming pale patches; hymenium 

 orange, effused, gyrose ; sporophores filiform, fasciculate ; 

 conidia elongated, 12-15 /x, 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 y(x long. 



Fusarium rhahdophorum, B. & Br., Ann. Kat. Hist., n. 1612; 

 ^acc, Syll., iv. n. 3395. 



On dead branches. 



