73 



subsessile. yellowish. 75-.sOx6-7 p., containing eight crowded, sul>- 

 liseriate, clavate-oblong, continuous, hyaline. 6-8x2|-3 p. sporidia. 

 The subiculum appears to l>e obsolete, the perithecia being immersed 

 in the hymenium of the host, As no notes were taken from the fresh 

 specimens, the color of the perithecia can not be certainly stated, but 

 in the dry specimens they are nearly or quite black. 



On Geoglossuin hir&utum, Xewfield, N. J. Occupying the 

 greater part of the hymenium of the host, the proper fruit of which is 

 mostly suppressed. 



H. xylophilus, Pk. Bull. Tor. Bot. Club. XI, p. 28. 



Subiciilmn effused, whitish. Perithecia numerous, crowded, smalL 

 yellowish, with a blunt ostiolum. Asci cylindrical, 80-112x6-7| p. 

 Sporidia continuous, uniseriate, subfusiform. 15-17x5-6 p. 



On decaying wood. Ohio (Morgan), 

 H. hyalinus, (Schw.) 



Sph&ria hyalina, Schw. Syii. Car. No. 35. 



Effused, thin, glabrous, hyaline-fuscous, roughened with the crowd- 

 ed, dark-colored ostiola, Asci cylindrical, 8-spored. Sporidia elliptic- 

 I'usoid, 15-20x4i-5 , uniscriatc. continuous, greenish-hyaline, u'ranu- 



t % v 



lar-roughened, and minutely apieulate at each end. 



On Russula fastens, Carolina (Sch\v.), on some Agaric, Pennsyl- 

 vania (Everhart). Connecticut (Thaxter), 



B. Sporidia nn> 

 H. lateritius, (Fr.) 



Splicetiu latciitia, Fr. S. M. II. p. 33 s 



Hypocrea lateritia, Fr. Summa. Veg- Sc. p. 



Hypomyces lateritius, Tul. Arm. Sci. Nat. Ser. IV, torn. XII, p. n, Plow. Grtv 



XI, p. 41, tab. 148, 

 Exsicc. Rab. F. E. 317. Thum. M. U. 2164. 



The mycelium forms a dense, white, felt-like stratum, which 



/ 



finally becomes more compact and of a pale brick color. Perithecia 

 spherical or subovate, abundant, sunk in the stroma. except tlieii 

 slightly prominent, smooth, brownish ostiola. Asci cylindrical. 200- 

 250 p long, spore-bearing part 112x6-7 p. Sporidia uniseriate, elon- 

 gated-fusiform, uniseptate, acuminate at each end, yellowish-hyaline. 



On the hymenium of several species of Lucturin*. New England 

 (Murray & Sprague), on Lactariu* Lxliyo, Carolina (Ravenel), on 

 Lactarius sp. Potsdam, N, Y. (Ellis). 

 10 



