S( BSECTIOh ( Wl iROPtn I I ( *PSIS 



^* 



Fig. 12. //. boreal :s t. borealis 



York, Massachusetts, and Maine August-December; also Canada, 

 Mexico, and Jamaica. 



Material Studied — California: Smith 3878, 8180, 8204, 9117. 



9248. 56189. 56286, 56423. idaho: Kauffman, Copeland, Sept. 8, 1922. 

 Smith 16049. 5320T. 53524. ,53541. 53596. 53763. 54971. 55343. 80562, 

 maixe: H. E. Band, M. E. Bigelow 4452. 4500. 4501. 4502. 4616. 4617. 

 4694, 4752; Parlin 15216. 15512. mass* hi m its: Bigelov 6227. 6228 

 6229, 6230. 6242, 7814, 8690, 9357. Michigan: [mshaug 1527. 1631; 

 Kauffman, Marquette, Sept. 4. 1906. and Rock River, Sept 11. 192^. 

 Mains 32-685; Pennington 1358; Smith 1241. 7697. L8548, 20945, 

 23493. 32006, 32913, 34206, 38110. 42614. 42816. new YORK: Kauffman 

 Adirondack Mts., Sept. 14, 1921, and Ithaca, Sept. 19, 1913; R. Lowe, 

 Adirondack Mts., Aug. 30, 1934; Peck (type, from Croghau and Co- 

 pake, Sept.-Oct. ); Singer 239. north Carolina: Coker 13209. OR] GON: 

 Smith 8007, 19222. Pennsylvania: Kauffman. Mt. Gretna, Sept. 7. 

 1924; Overholts 15998. Tennessee: Boarts 10095. 16574; Drew & 

 Billings 9717; Hesler 1093, 12951. 22415. 22667, 22940. 23508; Mason 

 9667; Sharp 10947; J. Smith 14753; Wallace 4449, 4451. 4454. 4 155. 

 4456, 4460, 4461. Washington: Smith 30311. 30883, 1912s. WYOMING: 

 Kauffman, Medicine Bow Mts.. Sept. 5. 1923. t IN AD A: KelK 914; 

 Smith 882, 4577. 



Observations — Kauffman (1918) described a variety which he 

 named subborealis in which the spores measured 10-12( 13 1 -5.5 <<. 

 Kauftman's specimens have been examined, and the 1 basidia were 

 found to be consistently 2-spored. Hence we regard his variet) as 



