JAN. 1896. FLORA OF W. VIRGINIA MILLSPAUGH & NUTTALL. 115 



H. Aralise E. & E., Proc. Phila. Acad., 1894, 362. 



TYPE HABITAT: On dead limbs Aralia spinosa, Feb. 26, 1894 

 (Nut tall, discov. 1406, 375). 



Stromata seriate-connate, erumpent through longitudinal cracks 

 in the bark, and extending from 4 to 5 mm. to 2 or more cen- 

 timetres. Perithecia ovate-globose, buried in the black, sub- 

 carbonaceous stroma, 3 to 6 in each single stroma, about .33 mm. 

 diameter. Sporules elliptical, brown, 20 to 25 x 10 to 12 /j.. 



This may be the pycnidia of Botryospharia fuligmosa (M. & N.). 



DIPLODIA Fries. 

 D. Liriodendri Peck. 



On fire killed Liriodendron Tulipifera, Oct. 16, 1894 (Nuttall, 

 1710). 



D. Salicina LeV. 



On dead twigs Salix nigra, March 25, 1894 (Nuttall, 1457). 



JX Cercidis E. & E., Proc. Phila. Acad., 1894, 363. 



TYPE HABITAT: On dead limbs Cercis Canadensis, April 9, 1894. 

 (Nut tall, discov. 1475, 449)- 



Perithecia subseriate, globose, .33 to .5 mm. diameter, slightly 

 sunk in the inner bark and splitting the epidermis with short 

 longitudinal clefts. Sporules elliptical, 20 to 23 x 10 to 15 // on 

 stout basidia, uniseptate. 



D. infuscans E. & E., Proc. Phila. Acad., 1894, 363. 



TYPE HABITAT: On bark of dead limbs Fraxinus Americana, 

 April 27, 1894 (Nuttall, discov. 1492, 459). 



Perithecia ovate-globose, small, no to 150 // diameter, thickly 

 scattered, blackening both the outer and inner surface of the 

 bark. Ostiolum not conspicuous, obscurely papilliform. Spor- 

 ules oblong-elliptical, 12 to 15 x 8 to 10 // scarcely constricted. 



In D. inquinans West, the sporules and perithecia are larger, 

 and the bark is not blackened within. 



D. atrata (Desm.) Sacc. 



On dead limbs Acer Negundo, April 20, 1894 (Nuttall, 1465). 



D. caryigena E. & E., Proc. Phila Acad., 1894, 3^3- 



TYPE HABITAT: On dead limbs Hicoria ovata, May 31, 1894 

 (Nuttall, discov. 1525). Also Canada (Dearness). 



Perithecia subseriate, sunk in the inner bark, covered by the 

 epidermis, which is raised into pustules and ruptured, about .5 

 mm. diameter, black. Sporules elliptical, brown, uniseptate, 

 scarcely constricted, 15 to 20 x 8 to 10 //. (Pycnidia of Valsa 

 caryigena B. & C.) 



D. viticola Desm. 



On Vitis, March 26, 1894. N o septum visible in sporules (Nutt- 

 all, 1443, 412). 



D. ilicicola Desm.? 



On Ilex opaca, Dec. 20, 1894. Sporules 22 to 25 x n to 13 /* 



(Nuttall, 1777, 667). 



