142 FIELD COLUMBIAN MUSEUM BOTANY, VOL. i. 



Li. clavigera (C. & E.) Sacc. 



On old stems Phytolacca decandra, Nov. 14, 1894 (Nuttall, 1741). 

 Spores -j- 43 x 6 //. 



Li. orthogramma (B. & C.) 



On Zea Mays, Aug. 10, 1895 {Nuttall, 1832, 722). 



MELANOMMA Nits & Fckl. 



M. Pulvis-pyrius (Pers.) Fckl. 



On decorticated Magnolia Fraseri, alt. 1,800 ft., Short Creek, 

 Sept. 10, 1893. Spores 15 x 3.5 ;j. (Nuttall, 1200). 



TREMATOSPH^RIA Fckl. 



T. vitigena E. & E., sp. n.ov. 



TYPE HABITAT: On old, decaying wood of Vitis rupestris, April, 

 1894 {Nuttall, discov. 454).. 



Perithecia gregarious, sunk in the wood all except the obtuse, 

 convex apex, .5 to .75 mm. diameter, depressed-globose, the 

 buried part rather thin-walled, the erumpent, convex apex thick, 

 solid, like the stromatic shield of Clypeosphceria. Ostiolum papil- 

 liform, soon perforated. Asci clavate-cylindrical, paraphysate, 

 8 spored, 86 to 100 x 10 to 12 //. Sporidiasub-biseriate, fusoid- 

 oblong, 3-septate, and constricted, subacute, pale-brown, 20 to 

 25 x 6 to 7 IL 



PSEUDOVALSA Ces. & DeNot. 



P. sigmoidea (C. & E.) 



On dead limbs Quercus Prinus. Spores 50 to 88 x 5 to 7 p. 

 (Nuttall, 1828, 717). 



LASIOSPH^RIA Ces. & DeNot. 



Li. ovina (Pers.) Ces. & DeNot. 



On Juglans cinerea, and parasitic on Hypoxylon, Short Creek, 

 alt. i, 800 ft., Dec. 16, 1893. Spores 50 to 60 x 6 to 7.5 /^. 

 Asci 135 x 12.5 //. (Nuttall, 1322). 



ACANTHOSTIGMA DeNot. 



A. decastylum (Cooke) Sacc. 



On dead log, June 18, 1893 (Nuttall, 1018). 



HERPOTRICHIA Fckl. 

 H. diffusa (Schw. ) 



On dead twig, Sept. 10, 1893 (Nuttall, 1197). 



CALOSPORA Sacc. 



C. aculeans (Schw.) Sacc. 



On Rhus hirta and copallina, March 29, 1894. Spores 15 to 17 

 x 3 /;., aculeate (Nuttall, 1440). 



