1917] 



BURT THELEPHORACEAE OF NORTH AMERICA. VIII 



265 



J. Macown, 26 in part, 27 (in Mo. Bot. Gard. Herb., 5681, 



8934) ; Vancouver Island, J. Macoun, comm. by J. Dearness, 



V 186 (in Mo. Bot. Gard. Herb., 20183). 

 Oregon : Joseph, C. L. Shear, 1037, 

 Jamaica: Cinchona, W, A. d Edna L. Murrill, N. Y. Bot. 



Gard., Fungi of Jamaica, 459. 



19. C. olivascens (Berk. & Curtis) Massee, Linn. Soc. Bot. 

 Jour. 25 : 138. 1889. 



Corticium olivascens Berk. & Curtis, Grevillea 1 : 179. 1873 ; 

 Sacc. Syll. Fung. 6 : 619. 1888. Corticium prasinum Berk. & 

 Curtis, Grevillea 1 : 179. 1873; Sacc. Syll. Fung. 6 : 619. 1888; 

 Massee, Linn. Soc. Bot. Jour. 27 : 153. 1890. Coniophora 

 prasina (Berk. & Curtis) v. Hohn. & Litsch. K. Akad. Wiss. 

 Wien Sitzungsber. 116 : 781. 1907. Corticium chlorinum 

 Berk. & Curtis, Grevillea 1 : 179. 1873; 

 Sacc. Syll. Fung. 6 : 636. 1888; Massee, 

 Linn. Soc. Bot. Jour. 27:154. 1890. 

 Coniophora suhochracea Peck, N. Y. 

 State Mus. Kept. 50 : 114. 1897 ; Sacc. 

 Syll. Fung. 14 : 225. 1899. 



Type : type and cotype in Kew Herb, 

 and Curtis Herb, respectively. 



Fructification effused, dry, adnate, 

 drying olive-lake to olive-citrine, the 

 subiculum and margin whitish, floccose ; 

 hymenium even or minutely granular, ., 

 more or less cracked; in structure 200- M 

 400 yi thick, with the granules rising up 

 to 200 /x more, composed of hyaline, thin- 

 walled, often collapsed, nodose-septate 

 hyphae 3-5 ii in diameter, loosely inter- 

 woven, sometimes with rope-like hyphal 

 strands near the substratum; granules 

 dome-shaped, bearing hair-like cystidia scattered or in small 

 clusters, not incrusted, often nodose-septate, 4-5 /x in diameter, 

 emerging up to 60 /*; spores Isabella-color in a spore collec- 

 tion, even, 4-6x3-4 /x, mostly 5x3y2 n. 



Fig. 19 

 C. olivascens. 

 Protruded part of cys- 

 tidium, spores, and 

 hypha, X 665; section 

 showing cystidia on a 

 granule X 45. 



