[Vol. 12 

 354 ANNALS OF THE MISSOUEI BOTANICAL GAKDEN 



species. Vermont to District of Columbia, in Missouri, and in 

 Europe. March to December. Rare. 



P. caesia is more widely effused than P. cinerea, is not formed 

 by confluence of many small fructifications, and has much the 

 color and aspect of P. nuda but differs from the latter in absence 

 of the numerous, small cystidia. 



Specimens examined: 

 Exsiccati: Roumeguere, Fungi Gallici, 2910, under the name 



Corticium incarnatum, 3213, under the name Corticium cinereum. 

 Austria : Vienna, comm. by V. Litschauer. 

 Italy: Trient, G. Bresadola, authentic specimen. 

 France: in Roumeguere, Fungi Gallici, 2910, 3213. 

 Vermont: Lake Dunmore, E. A. Burt. 

 District of Columbia: Washington, Department Grounds, on 



Syringa vulgaris, C. L. Shear, 1264, in part, and an unnumbered 



specimen. 

 Missouri: Columbia, B. M. Duggar, 448- 



120. P. carnea (Berk. & Cooke) Cooke, Grevillea 8: 21. pi. 

 124, / It. 1879; Sacc. Syll. Fung. 6: 644. 1888; Massee, Linn. 

 Soc. Bot. Jour. 25: 151. 1889. 



Corticium carneum Berkeley & Cooke, New York Acad. Sci. 

 Ann. 1: 179. 1878; Linn. Soc. Bot. Jour. 17: 141. 1878. 



Type: in Kew Herb. 



Fructification effused, closely adnate, thin, ochraceous flesh- 

 color, drying avellaneous and cracked, the margin whitish and 

 fibrillose; in section brownish, 100-120 ti thick, with a dark, 

 semi-opaque zone next to the substratum; hyphae densely inter- 

 woven, 3-33^2 V- m diameter, slightly colored, somewhat longi- 

 tudinally interwoven next to the substratum; cystidia incrusted, 

 of two kinds very large cystidia resembling conical or subglobose 

 crystalline masses 45-75 X 30-75 \i are seated on the opaque 

 zone, other cystidia 25-35 X 6-8 y. are scattered throughout the 

 region between the dark zone and the surface of the hymenium; 

 gloeocystidia flexuous, 40-50 X 4-4 J^ [x, not numerous; spores 

 hyaline, even, slightly curved, 8-12 X 3-4 \l. 



Fructifications 1-6 cm. long, J^-2 cm. broad. 



On logs and fallen, decaying, frondose limbs. Texas and Cuba. 

 March. Rare. 



