669 



divided, flesh-colored branches, thickly dusted over with innumerable 

 oblong-elliptical, hyaline conidia about 3xl| ju. Peck finds in New 

 York State a variety of the ascigerous form much flattened and 

 irregular in shape. The same is found at Newfield, N. J. 



C. Head with the apex sterile; stipe glabrous (Xylostyla). 

 * Head clavate, simple. 



X. graminicola. Gerard, in Peck's 26th Rep. p. 85. 



Slender, simple, 3-5 cm. high. Head cylindrical, \\ cm. long, 

 2 mm. thick, brown-black, colliculose-roughened by the prominent 

 perithecia, apex sterile. Stem slender, glabrous, \\ cm. long, arising 

 from a brown, felt-like subiculum. Perithecia small, \ mm. or less, 

 peripherical, prominent, with black, papilliform ostiola. Asci cylin- 

 drical, stipitate. p. sp. 55-60 x 5 /u, with abundant paraphyses. Spo- 

 ridia uniseriate, elliptical, brown, continuous, 7-9 x 3|-4 /i. 



On decaying roots of grasses, New York (Gerard). 



The diagnosis is from specc. sent by Gerard. The head or club 

 is said to be greenish-pulverulent at first. 



X. mucronata, (Schw.) 



SphcBria mucronata, Schw. Syn. Car. No. 4, Journ. Acad. Phil. V, tab. 1, fig. 1. 

 Xylaria mucronata, Sacc. Syll. 1279. 



Carnose, simple, liver-color; head thickened, irregular, becoming 

 yellow, apex sterile, mucronate. Stipe subsquamose, inflexed, com- 

 pressed, an inch high, J of an inch thick. Asci moniliform, becoming- 

 cylindrical. Sporidia globose, black. 



Rare; on a trunk of Liriodendron, North Carolina (Schw.). 



X. grandis, Pk. 26th Rep. p. 85. 



Large, blackish-brown, irregular, obtusely pointed and rusty- 

 brown at the sterile tip, abruptly narrowed at base, central substance 

 white. Perithecia subglobose. Sporidia subfusiform, pointed at each 

 end, straight or slightly curved, 20-23 p. long. Stem branched, radi- 

 cate, often greatly elongated. Plant 3-5 inches high; heads 1J-3 

 inches long, J-l inch thick. 



On the ground, Portage, N. Y. (Clinton). 



We have seen no specimens. 



** Heads connate or branched. 



X. digitata, (Linn.) 



Clavaria digitata, Linn. Syst. Veg. XV, p. ioio. 

 Clavaria Hypoxylon, SchsefF. Icon. Fung. tab. 265 (sec. Fr.). 

 Sphcsria clavata, Hoff. Veg. Crypt. 1, tab. 4, fig. 2. 

 Sphceria digitata, Ehr. Beitrag, VI, p. 7. 

 Xylaria digitata, Grev. Flora Edin. p. 356. 

 Hypoxylon digitatum, L,ink. Handbk. Ill, p. 348. 

 Exsicc. Fckl. F. Rh. 2547. Rab. Herb. Mycol. 46. Rav. Fungi Car. V, 50. 



