62 THE WEST VIRGINIA FLORA 



S. Ampelopsidis C. & E. 



On Parthenocissus quinquefolia, March 30, 1894. Spor- 

 ules 18 to 20 X 10 to 12 ft, {Nuttall, 1460, 437). 

 S. Cerasina Peck. 



On Prnnns serotina, alt. 1,200 ft., Nov. 22, 1894 {Nuttall, 

 1746). 

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



Type habitat : On dead Opulaster opulif alius, May 2, 



1894 (Nuttall, discov. 1502, 482, 486). 



Perithecia scattered, .33 mm. diameter, buried in the inner 

 bark, with their apices and pipilHform ostiola erumpent, white 

 inside (at first), sometimes, as in the preceding species 2 to 

 3 confluent. Sporules varying- from short-ehiptical 12 to 

 15 X 10 /* to oblong or obovate-eUiptical 15 to 20 x 10 /j.. 



Differs from 5". Nielliae E. & E. in its buried perithecia 

 and much larger sporules. 

 S. Celastrina Peck. 



On branches Celastrus scandens, April 27, 1895 (Nuttall, 

 1812). 

 S. Malorum Berk. 



Berkeley : On Malus Malus at Gerrardstown ( Waite) . 

 S. Oenotheras E. & E., Field Mus. Bot., i :ii4 (1896). 



Type . habitat : On dead stems Onagra biennis, Jan. 21, 



1895 (Nuttall, discov. 1792, 683). 



Perithecia scattered, erumpent, superficial, globose, 200 to 

 225 ju diameter, with a papilliform ostiolum, occasionally 

 subcollapsing above. Sporules oblong-elliptical, pale brown, 

 20 to 25 X ID to 12 fx on .stout basidia shorter than the 

 sporules. There are indications that the sporules become 

 finally uniseptate. 

 S. Sumachi (Schw.) C. & E. 



On branches Rhus hirta, March 29, 1894. Sporules 20 

 to 26 X 8 to- 12.5 fjL (Nuttall, 1439). 

 S. Sassafras C. & E. 



On Sassafras Sassafras, April 10, 1895. Sporules 23 x 

 10 /i (Nuttall, 1801, 688). 

 S. phomatella Peck. 



■ On Fraxinus Americana, March 31, 1894 (Nuttall, 1441). 

 S. Caryae, C. & E. 



On hickory barrel-hoop, April 9, 1894. Sporules 18 to 

 25 X 8 to II |U (Nuttall, 1448). 

 S. IpoiiOEAE E. & E., Proc. Phila. Acad., 1894, 362. 



Type habitat : On dead peduncles of Ipomoea pandurata, 

 Dec. 9, 1893 (Nuttall, discov. 1305, 249). 



Perithecia scattered, ovate-globose, 250 to 300 [j. diameter, 

 the upper part prominent and closely covered by the shining 



