WEST VIRGINIA GEOLOGICAL SURVEY 6l 







C. BETULINA Ehr? 



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

 ules, 4 to 6 x i /* (Nuttall, 1396, 367). 

 C. SALICIS (Corda) Rabenh? 



On Salix nigra, March 22, 1894 (Nuttall, 1429). 

 C. PLATANI Fckl. 



On Platanus occidentalis, March 14, 1894 (Nuttall, 1424, 

 396). 



C. LEUCOSPERMA (Pers) Fr. 



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

 i p (Nuttall, 1257). 



C. CERATOPHORA SaCC. 



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



163)- 

 C. CURREYI Sacc? 



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

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

 C. COCCINEA (Reb.) Fr. 



On Robinia Pseudacacia, Feb. 2, 1894. Sporules 3 x .75 

 /x (Mrfte//, 1355). 

 C. - - sp. 



Spermogonia of Falsa goniotoma Sz. ? On fire-killed 

 Liquidambar Styracinua, Oct. 21, 1895 (Nuttall, 1884). 



C. ORTHOSPORA B. & C. ? 



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

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



C. CARPHOSPERMA Fr. 



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



SPHAEROPSIS Lev. 

 S. LINDERAE Peck. 



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



1795). 

 S. ASIMINAE 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, l8 tO 22 X 8 tO IO ju. 



S. ASIMINAE FRUCTIGENA E. & E. Field Mus. Bot., 1 1113 (1896). 



TYPE HABITAT : On old dried-up fruits of Asimina triloba; 

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



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

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

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



