[Vol. 2, 1915] 



724 ANNALS OF THE 



brown; spores globose or subglobose, hyaline, 4-5 /z broad; 

 setae abundant, sharp-pointed, brown, extending 20-30 n be- 

 yond the basidia ; hyphae 3-5 /*. 



Var. Abietis Karsten: Sporophores usually annual, rather 

 thin and applanate, 1-5 X 1-7 X 0.3-1 cm., tawny or russet- 

 tawny toward the margin, the immediate margin sometimes 

 brighter-colored, zonate with elevated ridges of tomentum, 

 grayish black or brownish black toward the base; context 

 colored as in the typical form, 1-3 mm. thick; tubes usually 

 in a single layer; spores, setae, and hyphae, as in the typical 



form. 



On wood of coniferous trees, both living and dead. 



Illustrations: Boudier, Ic. Myc. pi. 161. — Delacroix, Atlas 

 Path. Veget. pi. 19. f. 10-12.— Meinecke, For. Tree Dis. Calif, 

 and Nev. pi. 4-5. — Rostk. in Sturm's Deutsch. Fl. 3: fasc. 17. 



pi. 50. 



Specimens examined : Ell. N. Am. Fung. 602 (New Jersey). 



Ell. & Ev. N. Am. Fung. 2507 (as T. Abietis) (Canada), 

 Linh. Fung. Hung. 348. — Rabenh. Crypt. Samm. Schule & 

 Haus 8; Herb. Myc. 118.— Romell, Fung. Scand. 7 (as T. Pint 

 var. Abietis.— Seym. & Earle, Econ. Fung. 11:549.— Mo. 

 Bot. Gard. Herb. 42958 (Washington), 4609 (Newfoundland), 

 42970 (Maine), 42954 (Michigan), 42956 (Vermont), 4618 

 (Colorado), 43810 (Missouri), and others. — Overholts Herb. 

 154 (Ohio), 630, 2033, 642, and 2391 (Colorado), 2458 (Mon- 

 tana 1 ), and others. 



Graduate Laboratory, Missouri Botanical Garden. 



