56 THE WEST VIRGINIA FLORA 



P. SMILACINA (Peck) Sacc. 



On Smilax rotundifolia, Aug. 17, 1894. Sporules about 

 18 x 6 to 7.5 n (Nuttall, 1660). 



APOSPHAERIA Berk. 



A. PEZIZOIDES E. & E., Proc. Phila. Acad., 1894, 358. 



TYPE HABITAT : On decorticated trunks of Platanus oc- 

 cidentalis, Salix nigra falcata, Betula nigra, Fraxinus sp., 

 and Liquidambar Styraciflua, on abrasions made by drift- 

 wood and ice, where it seems to grow exclusively and al- 

 ways below high-water mark, April, 1894 (Nuttall, discov. 

 1458, 432). 



Perithecia erumpent-superficial, seriate-aggregate, hemis- 

 pherical, about .75 mm. diameter, with a distinct papilli- 

 form ostiolum, at length collapsing and pezizoid or discoid. 

 Sporules elliptical or ovoid, 4 to 6 x 2.5 /* ends obtuse. 



DENDROPHOMA Sacc. 



D. TH EREVAN A Sacc. & Roum. 



On Platanus occidentals, April 19, 1894 (Nuttall, 1463). 



SPHAERONAEMA Fries. 



S. PHYSOCARPI E. & E., Proc. Phila. Acad., 1894, 358. 



TYPE HABITAT : On dead stems Opulaster opulifolius, 

 May, 1.894 (Nuttall, discov. 1504, 484). 



Perithecia gregarious, erumpent-superficial, hemispherical, 

 150 ju diameter, with a straight, stout beak 90 to 115 ju, long. 

 Sporules narrow-elliptical, hyaline, 2 to 3-nucleate, 7 to 9 



X 2.5 jU. 



S. INFUSCANS E. & E. Field Mus. Bot., i : 109 (1896). 



TYPE HABITAT : On dead dry wood Juglans cinerea.. 

 Dec. 5, 1894 (Nuttall/ discov.' 1766, 661). 



Perithecia gregarious, erumpent-superficial, hemispherical, 

 brownish-black, about .25 mm. diameter, with a short cyl- 

 indrical (.33 mm.), shining-black, obtuse, perforated ostio- 

 lum. Sporules abundant, elliptical, continuous, hyaline 3 to 

 4 x 1.5 fji on basidia simple or branched below, about 12 ju 

 long and .5 ju thick at the base, narrowed above. 



The surface of the wood is blackened. 

 S. ACERINUM Peck. 



On Acer rubrum, June 12, 1894 (Nuttall, 1543). 



S. CORNEUM C. & E. 



On Onagra biennis, Jan. 21, 1895 (Nuttall 1791, 682 in 

 part). 



