282 FUNGUS-FLOKA. 



I. Conidia globose, 3-4 fx diameter, borne on short, flask- 

 shaped branches of young mycelium. 



II. (Monilia fructigena.) Forming dense, tomentose tufts, 

 often growing in circles and becoming confluent, white, 

 then dingy ochraceous red, hyphae branched ; conidia 

 elliptical or lemon-shaped, 19-26 x 10-12 /x, produced in 

 simple or usually branched chains, colourless at first, then 

 tinged with dull red. 



Sclerotium pyrinum, Persoon. 



Monilia fructigena, Pers., Syn., p. 63 ; Sacc, Syll., iv. 

 n. 157; Mass., Fung.-FL, iii. p. 283. 



All the above forms occur on the fruit of apple and pear 

 trees, less frequently on the leaves. 



* * Growing on Monocotyledons. 



Sclerotinia Curreyana. Karst., Eev. Mon., p. 123 ; 

 Eehm, Krypt.-Flora, Disc, p. 821, figs. 1-5, p. 803; Sacc, 

 Syll., viii. n. 809. 



Ascophores 1-13, springing from a small, irregularly 

 elliptical sclerotium, 3-5 x 1-2 mm., black outside, inside 

 white ; ascophore subglobose and closed at first, gradually 

 expanding until nearly or quite plane, thin, bright brown, 

 glabrous, edge even, disc often more or less wrinkled, 

 2-5 mm. across ; stem slender, often crooked, 3-7 mm. 

 long, sometimes downy at the base; hypothecium and 

 excipulum pale brown, formed of intricately interwoven 

 hyphae, which pass into brown parenchymatous cells at the 

 cortex; asci narrowly cylindric-clavate, 8-spored; spores 

 1-seriate, hyaline, continuous, straight or slightly curved, 

 narrowly cylindrical, ends obtuse, 8-14 X 2-3 //,; paraphyses 

 slender, pale brown at the slightly thickened apex. 



Peziza Curreyana, Berk., Trans. Linn. Soc, xxiv. p. 495 

 (1865). 



Hymenoscyplia Curreyana, Phil., Brit. Disc, p. 116. 



Sclerotium roseum, Fries, Elench. Fung., ii. p. 43 (the 

 sclerotium of the present species). 



On fading or dead culms of various species of Juncus. 



The cup was of a bright brown colour, varying somewhat 

 in shape; in most it was hemispherical, in some infundi- 



