, , i THE AGARICACEAE OF MICHIGAN 



cinate, broad, distant, pale cinnamon at first, then dark rusty-brown. 

 STEM 7-14 cm long, clavate or elongated-bulbous, 10-20 mm. thick 

 at apex, up to 35 mm. thick below, solid, firm, fibrillose, 

 brownish or pale tawny-rufescent, encircled by several cin- 

 nabar-rcd zones or bands from the rather membranous red 

 universal veil. CORTINA at first whitish, collapsing, and forming 

 a slight annulus colored by the spores. MYCELIUM whitish. 

 SPOKES elliptical, rough-tuberculate, 10-12 x 5-6.5 inicr. BASIDIA 

 35 x 8 micr., with long, slender sterigmata. ODOR more or less of 

 radish. TASTE mild. 



Solitary or gregarious. On thick humus, debris, very rotten 

 wood, etc., in the coniferous forests of northern Michigan. Isle 

 Royale, Huron Mountains, Marquette, Bay View. July-September. 

 Frequent. 



A noble species. It is the chief of this group, as already noted 

 by Fries. The 2-4 reddish bands, scattered along the stem, mark it 

 conspicuously. Its large size and tawny-rufescent color help to 

 distinguish it readily from others of the subgenus. The lack of the 

 hygrophanous character and the rather scaly pileus at times ally 

 it to the Inolomas with which it is more easily confused, but the 

 texture of the pileus and its general characteristics show it to belong 

 to the subgenus Telamonia. I have not seen it in the southern part 

 of the State, although it probably occurs wherever hemlock trees 

 and other conifers are native. Some consider C. haematochelis Fr., 

 which has a single red zone on the stem, as identical. 



423. Cortinarius morrisii Pk. 

 Bull. Torr. Bot. Club, Vol. 32, 1905. 



PILEUS 3-10 cm. broad, convex then campanulate-expanded, hy- 

 grophanous, wavy or irregular on the margin, dark ochraceous or 

 tatony -ochraceous, covered with minute, silky fibrils, radially rugose 

 at times. Flesh thin except on disk, yellowish. GILLS adnate 

 then emarginate-adnexed, rounded behind, broad, subdistant, yellow 

 at first, then rusty-cinnamon, edge eroded. STEM 6-10 cm. long, 

 equal or subequal, 8-20 mm. thick, stout, solid, fibrous-fleshy, yellow 

 within, whitish or pale yellow above, yellow to ochraceous and be- 

 coming ferruginous to blackish-umber below, imperfectly annulate 

 by adnate shreds of the yellowish universal veil. SPORES oval or 

 broadly-elliptic, slightly rough, with an oil-globule, 7-9x5.5-6 micr., 

 (rarely up to 10x7). ODOR weak, of radish. 



