CLASSIFICATION OP AOARK ;,1 



I. Mesopodes. 



II. Pleuroti. 



h ' ii hi I In 8p< <<■ 



(A) Pileus subentire; stem distinct. 



(a) Pileus more <>v less Bcaly. 



(b) Pileus umbilicate, with blackish-brown in the umbllli 



often deformed with aborted gills. IS. /.. ti<iri>ius Fr. 

 (hi) ) Pileus convea or plane and ohl use. 

 (c) Pileus commonly rather large, 5 L5 cm. broad. 

 i ih Gills anastomosing on the si. 'in: spores 12-16x6-6 mlrr.: 



pilous large, at first glabrous. / undertooodU I'k. 

 i iiii i Gills not anastomosing. 

 (e) Pileus with spot like, brownish scales, Kills Binuate; 



spores 1.1-13x4-6 micr. 19. //. lepideus Fr. 

 (ee) Pileus rimose-scaly; gills not sinuate; spores 8-10x44 

 micr. L. spretus Pk. 

 (cc) Pilous 5 cm. or loss in width. 

 (d) Pileus thin, rufous-tinged, sulcate on margin, 1-2 cm. bi 



/.. sulcatus Berk, 

 (dd) Pilous thick, obconic, not sulcate; gills long-decurrotit. 

 /,. obconicus Pk. 

 (aa) Pileus glabrous, not large. 



(b) Caespitose. rarely solitary; pileus subinfundibuliforni. 



(c) Stem furrowed, confluent-caespitose. 23. L. cochbntus Pr 

 (cc) Stem not furrowed; on the ground. L. americana Pk. 

 (bb) Not caespitose or rarely so; pileus plane, or slightly dep 

 to umbilicate. 

 (c) Pileus hygrophanous, umbilicate; stem central or eccentric. 



20. L. umbiliccttus Pk. 

 (cc) Pileus not hygrophanous. 



(d) Pileus reddish-brown; stem whitish; spores minut' . 



3-4 micr. 22. L. microsperma Pk. 

 (dd) Pileus ochraceous to cream-color; stem short, blood-red 

 to reddish; spores obloug. 21. /.. haematopus Berk. 

 (AA) Pileus dimidiate, sessile. 



(a) Pilous large, 5-15 cm. broad, imbricate, coarsely hairy and rough- 

 ribbed, flesh-color. 24. L.vulpinus Pr. 

 (aa) Pileus less than 5 cm. 



(b) Taste peppery; pileus thick, whitish, becoming reddish-brown, 



hairy. 25. L. ursinus Fr. 

 (bb) Taste pleasant; pileus thin, whitish or yellowish L. tuavU- 

 siums I'k. 



Srcii.,,n I. Misn/xxh s : Pileus snbentire, stem distinct. 

 *Pileu8 scaly. Provided when young with a Vi il. 



18 Lentinus tigrinus I i 

 Syst. Myc, L821. (As Omphalic tigrina.) Epicrisis, L83 



Illustrations : Patouillard, Tab. A.nalyt, No. 106. 

 Ricken, Blatterpilze, PI. 26, Pig. 2. 

 ( Hllet, ( Jhampignons de Prance, No. 106. 

 Cooke, Til.. Plate L138 and 1139. 

 Lyman, G. R. Proc. Boston. Soc. Na1 Hist., Vol. 33, PI 



