112 Field Columbian Museum — Botany, Vol. i. 



C. Persicae Schw. 



On Ainygdaliis FersicacnlX. "Early Rivers," June 30, 1893 [Niitt- 

 all, 1 106). 



C. sp. 



On Cercis Canadensis, April 10, 1 894 ( A'///^?//, 1471, 447). Spores 

 5 to 6 X . 75 !J.. 



C. rhoina Fr. 



On R/ius hiria, June 20, 1894. Sporules 5 to 8 ,a {Nutiall, 

 155I' 636). 



C. caryigena E. & E., Proc. Phila. Acad.. 1894, 359. 



Type habitat: On deadlimbs Hicoria oi'ata, May 31, 1894 {^Niitt- 

 all, discov. 1524, 513)- 



Stroma cortical, convex, 1.5 to 2 mm. diameter, slaty-black, 4 to 

 6-celled, cells yellowish-white, subglobose, small. Sporules 

 allantoid, hyaline 3.5 to 4.5 x .75 to i //.. 



(Spermogonia of Valsa caryigena, B. & C. )? 



C. Rhois-hirtee Nuttall, sp. nov. 



On Rhus hirta, June 10, 1894 {Nuttall, 1533, 635). 

 This form is clearly distinct from C. Rhoina Fr. Cirrus reddish 

 yellow. Perithecia very prominent. Spores 8 to 10 x 2 to 2.5 jj.. 



C. Sassafras E. & E. sp. nov. 



Type habitat: On fire-killed twigs oi Sassafras Sassafras, Dec, 

 20, 1894 (iV///A?//, discov. 1766, 666). Jamaica, Long Island (F.C. 

 Stewart). 



Stromata thickly scattered, conical, rising from an orbicular 

 base about i mm. diameter, the black, shining apices erumpent and 

 roughening the bark, at first multilocular, becoming unilocular. 

 Sporules allantoid, hyaline, only slightly curved, 4 to 5 x i // 

 borne on simple, straight basidia about 12 ij. long. 



C. betulina Ehr? 



On Betnla nigra, Feb. 20, 1894. Cirrus yellowish, sporules, 4. 

 to 6 X I p. {Nuttall, 1396, 367). 



C. Salicis (Corda) Rabenh? 



On Salix nigra, March 22, 1894 {Nuttall, 1429). 



C. Platani Fckl. 



On Platanus occidentalism March 14, 1894 {Nuttall, 142 4-, 396) 



C. leucosperma (Pers) Fr. 



On Carpinus Caroliniana, Nov. 17, 1893. Sporules 5X i // {Nutt- 

 all, 1257). 



C. ceratophora Sacc. 



On Fraxinus Pennsylvanica, Oct. 17, 1893 {Nuttall, 1234, 163). 



C. Curreyi Sacc? 



On Finns Virginiana, Dec. 13, 1844; on Tsuga Canadensis, April 

 15, 1895 {Nuttall, 1 77 1, 697). 



