GILL FUNGI 65 



tinguished however by tlicir habit of growing on wood and by their bright yellow or 

 orange color. Probably all the spctics are edible. The name refers to the bright 

 color of the cap. 



Key to the Species 



1. (iills rust-colored 



a. Cap light yellow /<'. flavida 



b. Cap deep yellow to rust-color /''. alnicola 



2. Gills cinnamon F. sapinca 



Flammula flavida Yellow Flame 



Cap small to medium, 2-6 cm. wide, light yellow, smooth, convex to plane; 

 stem 4-7 cm. by 3-6 mm., yellow or whitish, tending toward rust-color, smooth, 

 hollow, sometimes curved ; g i 1 Is adnate, yellow to rust-colored, rather crowded ; 

 spores yellowish, globoid, 6-8 X 4-5/u,. The name refers to the light yellow color. 



On decaying wood and trunks, summer and autumn ; the taste is bitter, but 

 disappears in cooking. The caps are tender and good. 



Flammula alnicola Golden Flame 



C a p medium, 6-9 cm. wide, bright yellow to rust-colored, rarely greenish, 

 smooth, convex to plane; stem 6-8 cm. by 6-10 mm., yellow, tending to rust- 

 color, smooth, often with traces of a ring, tapering downward, stuflFed, then hollow ; 

 gills adnate or slightly decurrent, pale or yellowish, then rust-colored, broad ; 

 spores yellowish, ellipsoid, 8 X 5/x. The name refers to the habit of growing 

 on alder. 



In groups and small clusters on fallen stem of alder and birch especially. July 

 to December; taste bitter, but this disappears on cooking, according to Mcllvaine. 



Flammula sapinea Pine Flame 



Cap 3-10 cm. wide, golden to golden brown, hnely scaly, then cracked, convex 

 to plane; stem 5-8 cm. by 5-10 mm., yellow, furrowed, rooting, stuffed or solid, 

 more or less flattened and irregular; gills adnate, rarely. decurrent, golden, then 

 golden-brown or brown, broad ; spores yellowish, ellipsoid, 8 X 5/i. The name 

 refers to its growth on pine wood. 



Usually more or less clustered on wood, especially of conifers, summer and 

 autumn ; odor strong. Probably edible, but not tested. 



NAUCOKIA 



Characterized among ocher-spored forms by the cartilaginous stem, adnate or 

 free gills, and the margin of the cap which is inturned at first. The last feature 

 separates it from G a 1 e r a to which it is most nearly related. N a u c o r i a corre- 



