142 Field Columbian Museum^Botanv, Vol. i. 



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



On old stems Phytolacca decandra, Nov. 14, 1 894 (Av/ZA;//, 1741)- 

 Spores -)- 43 X 6 11. 



Ij. 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 ,a {Nuttall, 1200). 



TREMATOSPHiERIA Fckl. 



T. vitigena E. & E., sp. nov. 



Type habitat: On old, decaying wood of Vitis rupestris, April, 

 1894 [JVuiiall, 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 Clypeosp/uma. Ostiolum papil- 

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

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

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

 25 X 6 to 7 [J.. 



PSEUDOVALSA Ces. & DeNot. 



P. sigmoidea (C. & E.) 



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

 {Nut tall, 1828, 717). 



LASIOSPH^RIA Ces. & DeNot. 



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



On Juglans cinerea, and parasitic on Hypoxylo7i, Short Creek, 

 alt. 1,800 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). 



