WEST VIRGINIA GEOLOGICAL SURVEY 6l 



C. Betulina Ehr? 



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

 ules, 4 to 6 X I /i, {Nuttall, 1396, 367). 

 C. Salicis (Corda) Rabenh? 



On Salix nigra, March 22, 1894 {Nuttall, I42g). 

 C. Platan I Fckl. 



On Plataniis occidcntalis, March 14, 1894 {Niittall, 1424, 



396). 

 C. LEUCOSPERMA (Pcrs) Fr. 



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

 I n {Nuttall, 12^7). 



C. CERATOPHORA SaCC. 



On Fraximis Pennsylvanica, 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 Robiuia Pscndacacia, Feb. 2, 1894. Sporules 3 x .75 

 fi {Nuttall, 1355). 



C. sp. 



Spermogonia of Valsa goniotoma Sz. ? On fire-killed 

 Liqnidamhar StyraciHiia, Oct. 21, 1895 {Nuttall, 1884). 



C. ORTHOSPORA B. & C. ? 



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

 lar in shape 12 to 18 x 2.5 to 3 /x {Nuttall, 1478, 458). 



C. CARPKOSPERMA Fr. 



On Asimiiia triloba, Nov. 5, 1893 {Nuttall, 1292, 237). 



SPHAEROPSIS Lev. 

 S. LiNDERAE Peck. 



On dead twigs Benzoin Benzoin, April 8, 1895 {Ntdtall, 



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, 18 to 22 X 8 to 10 n.. 

 S. AsiMiNAE FRUCTiGENA 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". Asiuiinae E. & E. Perithecia 

 smaller than in the species (iio to 140 /x) and more abun- 

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



