6o THE WEST \TRGENIA FLORA 



into a stout, conical beak opening by a single round pore at 

 the apex. Sporules oblong or allantoic!, hyaline, 5 to 7 x 

 1.25 f.. 



C. sp. 



On Chionaiithus Virgimca, March 28, 1894 {Nuttall, 

 1455, 427). 

 C. TUMULOSA E. & E. Bull. Torn Club, 24:288 (1897). 



Stroma cylindric-conical, erumpent, brown, lighter inside, 

 about I mm. broad, the upper erumpent part .75 mm. high, 

 sporigerous cells perithecioid, whitish, globose, sunk in the 

 lower part of the stroma ; sporules allantoid, hyaline, curved, 

 6-8 X 1.5 ji.. 



On dead buds of Magnolia Fraseri. Fayette : near Nut- 

 tallburg, March, i8g6 (Nuttall, 808). 

 C. Persicae Schw. 



On Amygdalus Persica cult. "Early Rivers," June 30, 



1893 (Nuttall, 1 106). 

 C. sp. 



On Cercis Canadensis, April 10, 1894 (Nuttall, 1471, 

 447). Spores 5 to 6 X .75 /x. 

 C. Rhoina Fr. 



On Rhus hirta, June 20, 1894. Sporules 5 to 8 /i. (Nut- 

 tall, 1551, 636). 



C. CARYiGEXA E. & E., Proc. Phila. Acad., 1894, 359. 



Type habitat : On dead limbs Hicoria ovata. May 31, 



1894 (Nuttall, discov. 1524, 513). 



Stroma cortical, convex, 1.5 to 2 mm. diameter, slaty- 

 black, 4 to 6-celled, cells yellowish-white, subglobose, small. 

 Sporules allantoid, hyaline 3.5 to 4.5 x .75 to i fx. 



(Spermogonia of Valsa caryigena, B. & C.) ? 

 C. Rhois-hirtae Nuttall, Field Mus. Bot., 1:112 (1896). 



On Rhu^ hirta, June 10, 1894 (Nuttall, 1533, 635). 



The form is clearly distinct from C. Rhoina Fr. Cirrus 

 reddish yellow. Perithecia very prominent. Spores 8 to 

 ID X 2 to 2.5 /x. 

 C. Sassafras E. & E. Field Mus. Bot., 1:112 (1896). 



Type habitat : On fire-killed twigs of Sassafras Sassa- 

 fras, Dec. 20, 1894 (Nuttall, discov. 1766, 666). Jamaica, 

 Long Island (F. C. Stewart). 



Stromata thickly scattered, conical, rising from an or- 

 bicular base about i mm. diameter, the black, shining apices 

 erumpent and roughening the bark, at first multilocular, 

 becoming unilocular. Sporules allantoid, hyaline, only 

 slightly curved, 4 to 5 x i /x borne on simple, straight basidia 

 about 12 /i long. 



