WEST VIRGIXIA GEOLOGICAL SURVEY 6l 



C. Betulina Ehr? 



On Betula nigra, Feb. 20, 1894. Cirrus yellowish, spor- 

 ules, 4 to 6 X I (u, (Nuttall, 1396, 367). 

 C. Salicis (Corda) Rabenh? 



On Sali.v nigra, March 22, 1894 (Nuttall, 1429). 

 C. Platani Fckl. 



On Platanits occidentalis, March 14, 1894 (Xuttall, 1424, 



396). 

 C. leucosperma (Pers) Fr. 



On Carpiiuis Caroliniana, Nov. 17, 1893. Sporules 5 x 

 I ^ (Nuttall, 1257). 

 C. ceratophora Sacc. 



On Fraxinus Peiinsylranica, Oct. 17, 1893 (Nuttall, 1234, 



163). 

 C. Curreyi Sacc? 



On Finns Virginiana, Dec. 13, 1844; on Tsuga Canadensis, 

 April 15, 1895 (Nuttall, 1771, 697). 

 C. cocciNEA (Reb.) Fr. 



On Rohiniu Fseudacacia, Feb. 2, 1894. Sporules 3 x .75 

 t,. (Nuttall, 135s). 



C. sp. 



Spermogonia of Valsa goniotoma Sz. ? On fire-killed 

 Liquidamhar StyraciUua, Oct. 21, 1895 (Nuttall, 1884). 



C. ORTHOSPORA B. & C. ? 



On Robinia Fseudacacia, April 20, 1894. Sporules irregu-- 

 lar in shape 12 to 18 x 2.5 to 3 ;u (Nuttall, 1478, 458). 



C. CARPKOSPERMA Fr. 



On Asiuiina triloba, Nov. 5, 1893 (Nuttall, 1292, 237). 



SPHAEROPSIS Lev. 

 S. LiNDERAE Peck. 



On dead twigs Benzoin Benzoin, April 8, 1895 (Nuttall, 



1795)- 

 S. AsniiNAE E. & E., Proc, Phila. Acad., 1894, 361. 



Type habitat : On dead limbs Asimina triloba, Feb. 24, 

 1894 (Nuttall, discov. 1397, 370). 



Perithecia scattered or subseriate, buried in the bark which 

 is raised into little pustules over them and soon ruptured. 

 Perithecia small (.25 mm.) thick-walled, with an obscurely 

 papilliform ostiolum. Sporules oblong-elliptical, brown, ob- 

 tuse, 18 to 22 X 8 to 10 IX. 

 S. AsiMiNAE feuctigena E. & E. Field Mus. Bot., i :ii3 (1896). 



Type habitat: On old dried-up fruits of Asimina triloba, 

 Oct. 3, 1895 (Nuttall, discov. 1871, 755). 



A fructigenous form of 5". Asiutinae E. & E. Perithecia 

 smaller than in the species (no to 140 11) and more abun- 

 dant. Sporules a little larger (20 to 24 x 9 to 12 n). 



