438 



SPHiERONEMEI. 



elongated, cylindrical, curved, with 3-6 sporidioles.— 5er7j. Outl. 

 ^.318. Hendersonia macropus, B. ^ Br, Ana. N.H. no. 416. 

 On dead leaves of Carices. Jan. Wilts. 



Perithecia entirely covered and pouring out their spores by a minute ori- 

 fice, so as to make little black stains on the leaves; spores furnished with a 

 long peduncle, cylindrical, but slightly attenuated at either end, many times 

 longer than their diameter, somewhat curved. — B. d; Br. 



Gen. 117. 



VERMICULARIA, Tode. 



1288. 



Perithecium thin, mouthless, 

 generally bristly ; s^Dores vermi- 

 culate. — Berk. Outl. p. 318. 



(Fig. 161.) 



Fig. 161. 



Vermiculaxia dematiuxn. Fr. " Clustered Vermicularia." 



Gregarious, perithecia piano -depressed, mouthless, black, stri- 

 gose in the centre, with somewhat divergent hairs of the same 

 colour; spores long, curved. — Berk. Outl. p. S18. Sphceria de- 

 matium, Eng. Fl. Y.p. 274. Fr. S.M. i\.p. 505. Fckl exs. no. 570. 



On dead herbaceous stems. [United States.] 



At first covered by the epidermis, through which the hairs penetrate like 

 a little brush, at length naked, the hairs frequently falling off. — M.J.B. 



1289. Verxiiicularia trichella. Grev. " Ivy-leaf Vermicularia." 



Scattered, perithecia ovate, very minute, mouthless, black, 

 clothed at the top with very long divergent hairs. — Grev. t. 345. 

 Sphoeria trichella, Fr. S.M. ii. p. 515. Eng. Fl. v. p. 211 . Fckl. 

 exs. no. 569. 



On dead ivy leaves. 

 Spores linear-oblong, septate. {Fig. 161.) 



1290. Vermiculaxia atramentaria. B. ^^ Br. "Inky 



Vermicularia." 



Effused, gregarious, maculeeform; spores straight, short ; endo- 

 chrome retracted to either end. — B. ^ Br. Ann. N.H. no. 430. 



On decayed stems of potatoes. Common. 



Forming large ink-black velvety patches, crowded with minute perithecia, 

 clothed with long straight subulate bristles, connected at the base by intri- 

 cate fibres creeping beneath the cuticle of the matrix. Spores minute, linear, 

 rather short. Distinguished at once by its straight spores. 



