240 MICROSCOPIC FUNGI. 



Microsphere, Lev. 



Mycelium arachnoid; appendages straight, diohotomou&; 

 branchlets swelling at the tip, or filiform. --ite/^. Outl., 

 p. 404. 



Microsphseria Hedwigii, Lev. Mealy Guelder-rose 

 Blight; hypophyllous ; mycelium web-like, evanescent; con- 

 ceptacles minute, globose, scattered ; appendages few, very little 

 longer than the diameter of the conceptacles ; sporangia 4, ovate, 

 containing 4 spores. — On leaves of mealy Guelder-rose. Near 

 Greenbithe, Kent. 



Microsphseria penicillata, Lev. Guelder-rose 

 Blight; amphigenous; mycelium web-like, effuse, evanescent ; 

 conceptacles scattered, minute, globose ; appendages 8-12, equal 

 to the diameter of the conceptacle ; sporangia 4, ovate, rostrate, 

 containing 8 spores. — On leaves of Guelder-rose and Alder. Pro- 

 bably not uncommon. (Plate XI. fig. 234.) 



Microsphseria Mougeotii, Lev. Tea-tree Blight ; 

 amphigenous ; mycelium web-like, oftentimes persistent ; con- 

 ceptacles minute, scattered or gregarious, globose, at length 

 depressed ; appendages loo?ely dichotomous ; sporangia 12-16, on 

 a short pedicel. 2-sport d.— On leaves of Lycium barbarum. Near 

 Dartford, Kent. October, 1864. 



Microsphseria Berberidis, Lev. Berberry Blight; 



amphigenous ; mycelium web-like, oftentimes persistent ; con- 

 ceptacles scattered or gregarious, globose, minute; appendages 

 few (5-10) ; branchlets long, divaricate, obtuse at their apices ; 

 sporangia 6, ovate, containing 6-8 spores.— On leaves of the 

 common Berberry. Autumn. Freciuent. (Plate XL figs. 229- 

 232.) 



Microsphseria grossularise, Lev. Gooseberry Blight; 

 amphigenous; mycelium web-like, fugacious or persistent ; con- 

 ceptacles scattered or cregarious, globose, minute; appendages 

 10-15, vaguely dichotomous, ultimate branchlets bidentate ; 

 sporangia 4-8, ovate, containing 4-5 spores. — On Gooseberry- 

 leaves. Autumn. Frequent. 



Microsphseria comata, Lev. Spindle Blight; hypo- 

 pin llous; mycelium web-like, fugacious; conceptacles scattered, 

 minute, globose ; sporanges 8, ovate, with a beak-like termination 

 at their base, 4-spored ; appendages few, six times the length of 

 the diameter of the conceptacles.— On Euonymus Europaus. Shere 2 

 Surrey. August, 1865. (l)r. Capmi.) 



