44 



NORTH AMERICAN FLORA 



[Volume 10 



Species confined to the Pacific coast. 



Pileus 2.5-4 cm. broad, rose -lilac with livid center. 

 Pileus 4r-7 cm. broad, red or purplish with darker 

 center. 

 Surface white beneath the rufous cuticle ; spores truncate, 



5-7 fi long. 

 Surface white with isabelline or isabelline-testaceous 

 scales; spores not truncate, 7—9 fi long. 

 Stipe white, unchanging. 

 Stipe white, becoming rose-tinted on drying. 

 Scales brown, chestnut-brown, blackish, or avellaneous. 

 Pileus 0.7-2.5 cm. broad. 



Scales avellaneous; species confined to tropical North 

 America. 

 Pileus less than 1 cm. broad; stipe purplish -fuliginous. 

 Pileus 1 cm. or more broad; stipe white. 

 Scales brown or blackish; species confined to temperate 

 North America. 

 Stipe clavate, glabrous; spores 5-6 fi long. 

 Stipe equal, f urfuraceous ; spores 10 y. long. 

 Pileus 2.5-8 cm. broad. 



Surface avellaneous ; lamellae yellowish or reddish . 

 Surface white with brown to fuliginous scales. 

 Pileus 2.5^i cm. broad. 



Pileus changing to rosy-isabelline on drying. 

 Pileus not changing on drying. 

 Pileus 5-8 cm. broad. 



Stipe glabrous above; species terrestrial. 

 Stipe floccose-scaly above; species wood -loving. 

 Surface brown or blackish, usually tinged with purple; 

 lamellae white. 

 Surface slightly and innately fibrillose. 

 Surface becoming squamose. 

 Stipe squamulose like the pileus. 

 Pileus 1—2.5 cm. broad. 



Spores 10 /i or more long. 



Lamellae becoming brownish on drying. 

 Lamellae not becoming brownish. 



Stipe 2.5-4 cm. long; surface of pileus pale-tawny. 

 Stipe 2.5 cm. or less long; surface of pileus brown or tinged 

 with lilac. 

 Surface brownish tinged with lilac ; annulus evanescent. 

 Surface not tinged with lilac ; annulus persistent. 

 Spores 5—8 p, long. 



Pileus 1 cm. or less broad; stipe equal, blackish -brown; annulus 



persistent, blackish -brown below. 

 Pileus 1.5-2.5 cm. broad; stipe reddish or tawny below; veil 

 flocculose, not forming an annulus. 

 Cuticle latericeous; spores 8 X4 fi. 

 Cuticle tawny-brown ; spores 5-6 X3 p. 

 Pileus 3-9 cm. broad. 



Surface livid or greenish-livid; stipe concolorous; spores 10 fj, long. 

 Surface wood-brown to tawny-olive; spores 6-8 fx long. 

 Surface alutaceous to pale-umbrinous ; spores 8-20 fi long. 

 Spores oblong-ellipsoid, 8-10 X5-6 fi. 

 Spores oblong-fusiform, 12-20 X4-7 fi. 

 Surface castaneous; spores 5-7 ft. 



V. ACUTESQUAMOSAE 



Scales yellow; surface concolorous. 

 •Scales brown or blackish. 



Wood-loving, confined to tropical America. 

 Terrestrial, confined to temperate regions. 



Pileus 3-5 cm. broad; surface yellowish with latericeous to blackish- 

 brown scales. 

 Pileus usually 7-12 cm. broad; surface pale -ferruginous with brown, 

 pointed, separable scales. 



VI. Procerae 



with prominent umbo; stipe 15-25 cm. long; context white, un- 

 changing. 

 Pileus not distinctly umbonate; stipe 8-10 cm. long; context becoming 

 brownish-orange on exposure. 



55. X. roseilivida. 



56. i. rubrotinctoides, 



57. L. conspurcata. 



58. L. Sequoiarum. 



59. L. amplifolia. 



60. L. subcristata. 



61. L. subgrisea. 



62. L. phaeosticta 



63. L. Cultorum. 



64. L. avellanea. 



65. L. muticolor. 



66. L. tepeitensis. 



67. L. hortensis. 



68. L. dryophila. 



69. L. Glatfelteri. 



70. L. felinoides. 



71. L. geniculospora. 



72. L. acerina. 



73. L. sublilacea. 



74. L. fioralis. 



75. L. gracilis. 



76. L. subfelina. 



77. L. umbrosa. 



78. L. pelidna. 



79. L. caloceps. 



80. L. spanista. 



81. L. clypeolaria. 



82. L. nardosmioides, 



83." L. scabrivelata, 

 84. L. hemisclera. 



85. L. fuscosquamea, 



86. L. as per a. 



87. L. procera. 



88. L. rhacodes 



I. Granulosae. Pileus granulose or verrucose with swollen vesicles; lamellae varying to 

 adnate; stipe squamose below the inferior annulus. 



