GUIDE TO THE MODELS OF FUNGI. 



77 



GENUS XLIX.—HYPOCREA Fr. 

 Stroma variable ; perithecia fleshy, pallid or coloured, ovato- 



globose and obtuse 



nine British 

 genus. 



There are 

 species of this 



202. Hypocrea alutacea Fr. 

 — At first dull white, then tan- 

 coloured ; fleshy, soft, brittle ; 

 head slightly villous, then smooth, 

 clavate, pallid, minutely tuber- 

 culate, confluent with the stem. 



Frequent in fir woods, 

 among leaves. 



GENUS L.—HYPOMYCES 

 Tul. 



Mycelium byssoid, colour- 



Fig. 86. — Hypomyces lateritius Tul. (One-quarter 



X-500 



Fig. 85.— HvpocreaalutaceaFr. (Natural size.) 

 Imbedded perithecia x 5. Asci and 

 spores X 500. 



less or coloured; perithecia 

 small, globose, papillate. 

 Parasitic on fungi. There 

 are seven British species. 



203, Hypomyces lateri- 

 tius Tul. — This is a micro- 

 scopic parasite of brick-red 

 colour and of frequent occur- 

 rence; it grows as a thick 

 film over the gills of Lac- 

 In its earlier 



natural' size.") Perithecia x 10, single ^&r\- tarillS delicioSllS 



Stages it is froi 

 a white powder. 



Slfore"^ 40^?" '^''"' ^""^ paraphyse x 200. gtages it is frOSted OVer with 



GENUS LI.—XYLARIA Hill. 



Stipitate ; stroma corky, rarely 

 fleshy ; perithecia immersed. 

 There are eight British species. 



204. Xylaria polymorpha 

 Grev. — Clubs turgid, corky, ir- 

 regular, whitish-cinereous, then 

 black. 



A common fungus on old 

 stumps, where it grows gre- 

 gariously. 



X. hy poxy Ion Grev., the 

 " candle-snuff" fungus," is a smaller 

 and much more common species. 



Like X. polymorpha, it grows on F'g- 87.— Xylana polymorpha Grev., a 

 J , : , section showing the perithecia. (Natu) 



and about stumps. size.) Ascus x 400, 



X-400 



nd 

 ral 



