(140 ) 
CorroLopsis rRiGIDA (Berk. & Mont.) Murrill, N. Am. Flora 9: 75. 
1908. 
Jalapa, 228, 251; Cuernavaca, 374; Colima, 576, 593; Tecoman, 
620, 624, 636; Orizaba, 865; Motzorongo, 977, 999, 1000, 1036. 
Coriolopsis sarcitiformis sp. nov. 
ileus thin, imbricate, dimidiate or flabelliform, applanate, 
usually several times lobed, na arrowly attached, sessile, of light 
weight, 4-6 X 5~8 X 0.5-0.7 cm.; surface slightly zonate at times, 
uneven, Bi wade adorned with dense, fulvous fibers arranged 
in ara manner and appearing as tho gh originating from 
the ie a the cuticle, these fibers gradua!ly wearing away with 
age, leaving the surface still more uneven rk-fulvous 
lobed, thin, yellow below when young; context punky, ochraceous- 
ferruginous, varying in thickness from 1 to 3 mm.; tubes reaching 
4 mm ength, pale-avellaneous within, corky; mouths minute, 
oe pie to a mm., flavo-melleous when young, becoming 
cystidia fulvous, ventricose at the base, tapering to a point, 
rather abundant, 20-40 * 5—7y. 
Collected three or four times in abundance on fallen dead trunks 
in a moist virgin forest in the Tepeite Valley, near Cuernavaca, 
Mexico, 7000 ft. elevation, December 28, 1910, W. A. & Edna L. 
Murrill 555 (type), 567. This interesting species has the habit of 
Hapalopilus gilous and a surface covering similar to that of Pyro- 
polyporus sarcitus. It is strictly annual and of light weight. No 
very near relative is known. 
CorroLopsis vitrata (Ellis & Macbr.) Murrill, N. Am. Flora 9: 
76, +1 Poor, indurated specimens with very small tubes. 
Tecoman, 629. 
CorioLus aBIETINUS (Dicks.) Quél. Ench. Fung. 175. 1886. 
Collected on Mt. Orizaba at 11000 ft. elevation by Jared G. 
Smith in 1892, and probably common on conifers at high ele- 
vations throughout the republic. 
CorioLus Bracuypus (Lév.) Murrill, Bull. Torrey Club 32: 646. 
1906 
Tecoman, 679. 
Coriolus concavus sp. nov. 
Pileus deeply concave, ace conchate, narrowly or rather 
broadly attached behind or by the vertex, rather thick, subrigid 
when dry but of corky ae subimbricate, 2X 3-5 X 0.2-0.8 
