JAN. 1896. FLORA OF W. VIRGINIA MILLSPAUGH & NUTTALL. 109 



DENDROPHOMA Sacc. 



D. Therryana Sacc. & Roum. 



On Platanns occidentalis, April 19, 1894 (Nuttall, 1463). 



SPH^RON.EMA Fries. 



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



TYPE HABITAT: On dead sterns Opulaster opulifolius, May, 1894 

 (Nuttall, discov. 1504, 484). 



Perithecia gregarious, erumpent-superficial, hemispherical, 150^ 

 diameter, with a straight, stout beak 90 to 115 /j. long. Sporules 

 narrow-elliptical, hyaline, 2 to 3-nucleate, 7 to 9 x 2.5 fj.. 



S. iufuscaus E. & E. sp. nov. 



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 cylindrical 

 (.33 mm.), shining-black, obtuse, perforated ostiolum. Sporules 

 abundant, elliptical, continuous, hyaline 3 to 4 x 1.5 /J. on ba- 

 sidia simple or branched below, about 12 //. long and .5 // 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). 



S. Magnoliae Peck. 



On Magnolia acuminata, Short Creek, alt. 1,000 ft., Aug. 16, 

 1894 {Nuttall, 1658). Sporules 10 x 6 /* nucleus large. 



SIROCOCCUS Preuss. 



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



On dead limbs Mohrodendron Carolinum (Halesia tetraptera), 

 Feb. 26, 1894 (Nuttall, discov. 1407, 377, 376?). 



Perithecia scattered, or 2 to 3-cornate, erumpent, subglobose, 

 about . 33 mm. diameter, black, with a minute papilliform ostiolum. 

 Sporules subglobose, about 3 //. diameter, greenish-hyaline, 3 to 6- 

 concatenate, the terminal sporule oblong and paler. Chains sim- 

 ple or sparingly branched, arising directly from the proliferous 

 layer without any distinct basidia, collected in stellate clusters. 



VERMICULARIA Fries. 

 V. phlogina Fairm. 



On dead leaves Phlox amcena, Sept. 15, 1894 (Nuttall 1606). 



V. compacta C. & E. 



On Rubus odoratus, May 30, 1894; sporules 20 to 25 x 30 //. 

 (Nuttall, 1513). On Caulophyllum thalictroides (552). 



