56 THE WEST VIRGINIA FLORA 



P. Smilacina (Peck) Sacc. 



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

 18 X 6 to 7.5 IX {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). 



P'erithecia erumpent-superficial, seriate-aggregate, hemis- 

 pherical, about .75 mm. diameter> with, a distinct papihi- 

 form ostiolum, at length collapsing and pezizoid or discoid. 

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



DENDROPHOMA Sacc. 



D. Therryana Sacc. & Roum. 



On Platanus occidentalis, April ig, 1894 {Nuttall, 1463). 



SPHAERONAEMA Fries. 



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



Type habitat : On dead stems Opulasier opulif alius, 

 May, 1894 {Nuttall, discov. 1504, 484). 



Perithecia gregarious, erumpent-superficial, hemispherical, 

 150 /* diameter, with a straight, stout beak 90 to 115 /i long. 

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

 x 2.5 ^. 

 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 /u on basidia simple or branched below, about 12 fi 

 long and .5 i« thick at the base, narrowed above. 

 The surface of the wood is blackened. 

 S. AcERiNUM Peck. 



On Acer rubriim, June 12, 1894 {Nuttall, 1543). 

 S. CORNEUM C. & E. 



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

 part). 



