2 2 NEW YORK STATE MUSEUM 



Cortinarius helio tropicus n. sp. 



PLATE P, FIG. 1-7 



Pileus thin, broadly campanulate, convex or nearly plane, 

 fibrillose, viscid, heliotrope purple, generally spotted or variegated 

 by yellowish white spots, flesh whitish, taste mild or slightly and 

 tardily acrid, odor slight, resembling that of radishes; lamellae 

 narrow^ thin, close, rounded behind, adnexed, concolorous with 

 the pileus when young, cinnamon when mature; stem firm, solid, 

 or spongy within, usually slightly thickened at the base, silky 

 fibrillose, viscid, whitish, spotted with purple or colored like the 

 pileus, white within, spores elliptic, .0004-. 0005 of an inch long, 

 .0002-.00024 broad. 



Pileus 1-2.5 inches broad; stem 1.5-3 inches long, 2-4 lines 

 thick. 



Woods. Smithtown. August. This is one of the most beauti- 

 ful species of Cortinarius. It belongs to the section Myxacium. 



In some specimens the spots on the pileus are large or confluent, 

 in others they are almost or entirely absent, but usually they are 

 small and distinct. The purple color of the lamellae is persistent 

 for some time. In large specimens the margin is sometimes 

 adorned by fibrillose scales of the veil. 



Craterellus taxophilus Thom 

 Decaying vegetable matter under branches of ground hemlock, 

 Taxus canadensis. Ithaca. October. C. Thom. 



Crataegus persimilis Sarg. 

 Near Eastern avenue continued, Rochester. This species is 

 allied to C. crus-galli from which it may be separated by 

 its smaller flowers, more numerous stamens, more highly colored 

 fruit and more conspicuously glandular serrate calyx lobes. 



Crataegus beata Sarg. 

 Near the roundhouse of the Pennsylvania Railroad, Rochester. 

 Also reported from several other places in and near Rochester. 

 The 20 stamens with dark maroon colored anthers constitute a 

 peculiar character of this species. It and the seven following 

 species belong to the section Pruinosae. In all of them the fully 

 grown but unripe fruit is more or less pruinose. 



Crataegus lennoniana Sarg. 

 Seneca park, Rochester. Reported from Adams Basin, Monroe 

 CO., and Murray, Orleans co., by M. S. Baxter and from Buffalo by 



