CLASSIFICATION OF A.GARICS 713 



752. Tricholoma melaleucum IV. 



Syst. Mycol., L82i. 



I llusl rat ions : Fries, [cones, PL 1 1. 

 Kick. mi. Biatterpilze, PI. 96, Fig. 5. 

 • iillct. Champignons de Prance, No. 682. 

 Cooke, ill.. PI. l L9. 



Bard, Mushrooms, Fig. 50, p. 69, 1908. 

 Michael, Puhrer f. Pilzfreunde, Vol. 1 1 1. No. 1 L2. 

 Murrill, Myeologia, Vol. ::. PI. 19, Fig. 1. 



PILEUS 3-7 'in. broad, thin, convex-plane, regular or wavy, 

 obscurely umbonate, glabrous, moist, hygrophanous with ;i Borne- 

 what separable cuticle, smoky-brown or fuliginous (moist), ochra- 

 oeous-tan, buff or paler (dry), umbo darker. FLESH Bcisaile, 

 grayish, or grayish-white. (HIJ.s adnexed, emarginate, aarrow to 

 moderately broad, subventricose, rather close, thickish, pure white 

 nt tirst becoming dingy. STEM 3-8 cm. long, 3-6 mm. thick, strict, 

 elastic, equal or thickened a1 base, whitish, streaked »"/'/// smoky 

 •fibrils, persistently stuffed. SPORES 6-8x4-5 micr., minutely 

 rough, ellipl Leal-oval, white. 



Scattered or growing singly. <>n the ground or among grass in 

 cultivated fields, gardens, lawns, etc., rarely in woods. Spring and 

 autumn, June, September-October. Ann Arbor, New Richmond, 

 Marquel te. Frequent. 



This is usually an open ground Tricholoma. The somewhat rigid, 

 subcartilaginous stem reminds one mure of Collybia than of Tricho 

 loma. The pileus i- sometimes quite blackish ami the - 1 < -m streaked 

 with black fibrils, h was formerly (Mich. Acad. 8ci.) referred to 

 Collybia stridula because of the spores. The measurements given 

 by Massee for 7. melaleucum are ii>\ I ."> micr. Schroeter ami 

 Ricken, however, find spore measurements the Bame as in <>ur 

 plants, ami hence, as it agrees well otherwise, it is referred to /. 

 melaleuca. The gills vary from linear to Bubventricose. The stem 

 i- sometimes smoky, covered with white fibrils. 



753 Tricholoma leucocephaloides 1' 

 N. Y. state Mn.. Rep. 19, L896. 

 PILEUS •"• •; vni. broad, convex, obtuse, undulate or irregular, 



