533 



On dead limbs of Fagufiferruginea, New York State (fide Peek, 

 who finds the sporidia ovate or oblong-elliptical, hyaline, 18-24 [i lono-). 



** Sporidia cylindrical, continuous or nucleate. {Eucryptospora). 



Cr. suffiisa, (Pr.) 



SphiEria sujfusa, Fr. S. M. II, p. 399. 

 Cryptospora suffusa, Fr. Sumraa Veg. Sc. p. 412. 

 Exsicc. Fckl. F. Rh. 620, 1997.— Kie. F, Sel. 142.— Rab. F. %. 730, 1130, 2022.— Rehm Asc. 

 46.— Thum. M.U. 171.— Sydow, M. March. 168.— Bll. & Bvrht. N. A. F. 2d Ser. 157S. 



Stromata scattered, raising the epidermis into flattish pustules, but 

 not discoloring it, 1-2| mm. broad. Perithecia 4^12, subcircinate, 

 depressed-globose or angular from crowding, collapsing wlien dry, 

 lying in the unaltered inner liark, with long, cylindrical, convex'ging, 

 decumbent necks, united at their ends in a small, black, erumpent disk, 

 or sometimes a part or all of them remaining isolated. Asci oblong, 

 sessile, 8-spored, 70-100 x 22-30 //. Sporidia fasciculate or inter- 

 woven, cylindrical, obtuse, hyaline, 50-65 x 2>\-A: fi. 



On dead alders. New York (Peck), New Jersey (Berk, in G-rev. 

 IV, p. 101). 



Cr. Betulse, Tul. Sel. Carp. II, p. 149, tab. XVII, figs. 13-27. 



Exsicc, Ell. & Evrht. N. A. F. 2d Ser. 1792.— Roum. F. Gall. 3944. 



Perithecia 6-10, globose, small, \ mm. or a little over, circinate, 

 immersed in tlie surface of the unaltered inner bark, which is raised 

 into a slight pustule over them, necks convergent, decumbent, erum- 

 pent in rather prominent, punctiform, black ostiola, in the scarcely 

 emergent, small, black disk just visible through short, transverse 

 cracks in the epidermis. Asci cj-lindric-clavate, attenuated below, p. 

 sp. 55-60x15-18 /i, aparaphysate. Sporidia fasciculate, cylindrical, 

 subarcuate, obtuse, nucleate, hyaline, 30-40 x 3J-4 fi. Conidial stage 

 Gryptosporivm Neesii, Cda. and C. hetulinum Sacc. Conidia 50 x 

 41-5 fi, shaped like the ascospores. 



On dead birch limbs, Plainfield, N. J. (Meschutt). 



The N. A. F. specc. do not show the conidia, 



Cr. Tilise, Tul. Sel. Carp. II, p. 151. 



Pustules irregularly scattered, orbicular, small, slightly prominent, 

 cortical, the erumpent disk about 1 mm. broad. Perithecia 4-6, cir- 

 cinate, subglobose, necks short, decumbent, with subhemispherical 

 ostiola. Asci obovate, 65-80 x 13-16 [i., obtuse above, subacute below, 

 8-spored. Sporidia fasciculate, straight, cylindrical, or sometimes sub- 

 clavate, 30-35 x 5-6i fi. 



