OvERHOLTS : Some Colorado Fungi 255 



103. Russula chamaeleontina Fr. On ground in coniferous forest. Tolland. 



July 18, 1913. No. 1315. 



104. Russula consobrina Fr. On ground in coniferous forests. Tolland. 



July 28, 1913- No. 1386. 



105. Russula emetica Fr. On ground in coniferous forests. South Boulder 



Canon. Aug. 2, 1913. No. 1423. 



106. Russula fallax Fr. On ground under willows. Tolland. July 8, 1914- 



No. 1883. 



107. Russula flava Romell. On ground in aspen thicket. Tolland. July 24, 



1913. No. 1365. 



,108. Russula nigrodisca Peck. On mossy decayed logs in aspen thickets. 



Tolland. Aug. i, 1913; July 25, 1914. Nos. 1411, 1983. The type 

 collection of this species was collected on St. Paul Island, Behring 

 Sea, and otherwise the species is only known from Colorado and 

 Vermont. 



109. Russula suholivascens Burlingh. On ground in aspen thicket. Tolland. 



Aug. 3, 1914. Nos. 2083, 2089. 

 no. Russula raoultii Quel. On ground in mixed forest. Tolland. July 27, 



19114. No. 1988. 



111. Russula squalida Peck. On ground in aspen thicket. Tolland. Aug. 3> 



1914. No. 2088. 



112. Russula subalutacea Burlingh. On ground in mixed forest or under 



pines. Tolland. July 24, 1913 ; July 27, Aug. 3, 4, 1914. Nos. 1363, 

 1987, 2093, 2104. 



No. 2093 has been made the type collection for this species by Miss 

 Burlingham. 



113. Russula turci Bres. On ground in coniferovis forest. Tolland. July 28, 



1913. No. 1389. 



114. Russula xerampelina Fr. On ground at edge of pine forest. Tolland. 



July 24, 1913. No. 1364. 



115. Panaeohis retirugis Fr. On ground in path. Tolland. July 4, 1914. 



Collected by Miss Helen Leonard. No. 1854. 



116. Stropharia semiglohata (Batsch.) Fr. On horse dung. Tolland. July 



12, 19, 1914. No. 1899, 1930. 



117. Tricholoma praemagna Murrill. On ground in dry grassland. Tolland. 



June 27, 1913; July 22, Aug. 5, 1914; May, 1917. Nos. 1268, 1972, 

 2121, 3908. 



This is the fungus that causes the formation of the conspicuous 

 fairy rings in open grasslands of this region. For an account of these 

 see Ramaley, F., Torreya 16: 193-196. 1916. The fungus is used as 

 an article of food in this locality. 



8. Family Boletaceae 



118. Boletinus pictus Peck. On ground in pine woods. Tolland. Alt. 9,000 



ft. July 27, 1914. No. 1999. 



119. Boletus hrevipes Peck. On ground in coniferous forests. Especially on 



sandy ground. Under lodge-pole pines. Tolland. Alt. 9,000 ft. 

 June 26, 1913; June 12, July 2, 29, 1914. Nos. 1815, 1851, 2063, 2312. 



