459 



iilack line, subglobose, black. at first covered, matrix finally 

 -sured. and the short ostiola emergent. Asci clavate. Sporidia 

 lanceolate, 4-nucleate, hvaline. 15-16x4 a. 



, i 



On stems of Geranium, California (Harkness). 



1). elephantina, Cke. & Hark. 1. c, 



Pustules valsifbrin, rarely scattered. Perithecia buried in the 

 bark or attached to the wood, globose, black, with slender, cylindrical. 

 elongated, flexuous, emergent ostiola. Asci clavate, 8-spored. Spo- 

 ridia lanceolate, 4-nucleate, soon uniseptate, hyaline, 12x3| /*. 



On stems of Geranium , California (Harkness). 



I). Asclcpiadis, E. & E. Bull. Torr. Bot. Club, X, p. 98. 



Stroma forming black patches on the surface of the stem J cm. 

 long or; by confluence. much longer, limited by a deeply penetrating. 

 black, circumscribing line. Perithecia scattered, globose, J mm. diam.. 

 buried in the substance of the stem, but not deeply. Ostiola rather 

 stout, cylindrical, subobtusc. i~J mm. long. Asci (p. sp.) 35-40 x 9 a. 

 Sporidia biscriate, elliptical, roust rictecl in the middle, 3-4-nucleate. 

 subobtuse, 10-12 x 3-4 //. 



On dead stems of Awh.pius tnbcro&.i. Newfield, N. J., and nu 

 Asclepias Corin/t!. b>\va (Holwny). 



D. exercitalis, (Pk.) 



Sphtzria exercitalis, Pk. 3oth Rep. p. 66. 



Diaportht exercitalis, Sacc. 83-!!. 2641, Cke. Syn. 2429, 



Perithecia minute, crowded, arranged in long strips, at first cov- 

 ered by the epidermis, which is at length ruptured in long crack-. 

 through which rise the short, spine-like, subacute ostiola; or oftener 

 the stem is more or less blackened and raised into oblong tubercles, or 

 elongated ridges, pierced, but not ruptured by the ostiola. Asci sub- 

 'ylindrical, 42-50 x 6-7 ,, subsessile. Sporidia subbiseriate. oblong- 

 f'usoid, 4-nucleate, colorless. 12 x 2|-3 p. 



On dead herbaceous stems, not much decayed, Catskill Mts,. N. Y. 

 (Peck). 



D. iiiinmtabilis, Cke. & Hark. Grev. XIV, p. 9. 



Stroma variously effused and interrupted, scarcely discoloring the 

 -urface of the stem, but limited by a black line within. Perithecia 

 scattered, globose, with short, punctiform ostiola. Asci clavate, 8-- 

 -pored. Sporidia biseriate. sul (lanceolate, straight or slightly curved. 

 2-4-nucleate. uniseptate. hyaline. 12-14x4 it. 



On dead stems o jScrophularia, California (Hark) 



