88 CUMMINGS 



Bearing squamules. 



Podetia powdery ............................ .Jlmbriata simplex. 



Podetia not powdery. 

 Cups proliferous. 



From the center ............................... -verticillata. 



From the margin. 



Podetia smooth ...................... gracilis dilatata. 



Podetia granulate-furfuraceous .......... dcgenerans. 



Cups not proliferous ............................... .pyxidata. 



Without squamules. 



Podetia short ............................................. pyxidata . 



Podetia elongated. 



Podetia powdery ....................................... cornuta. 



Podetia smooth. 



Podetia very slender, subulate ...... .gracilis chordalis. 



Podetia not so slender, often ventricose. 



gracilis elongata. 



48. Cladonia macilenta Hoffm. 



Cladonia madlenta HOFFMANN, Deutschl. Fl. 126. 1795. 



Wrangell (Trelease, 1318). Collected at Loring by Dr. Cooley. 



Wainio, in his Monographia Cladoniarum, reports its occurrence 

 on Vancouver Island. 



49. Cladonia deformis (L.) Hoffm. 



Lichen deformis LINNAEUS, Spec. PI. 2 : 1152. 1753. 



Cladonia deformis HOFFMANN, Deutschl. Fl. 120. 1795. SOWERBY, Eng. Bot. 

 /. 1394- 



Alaska (Evans, 504) ; Wrangell (Trelease, 1290 ; Coville and Kear- 

 ney, 412); White Pass (Trelease, 1332^)5 St. Michael (Turner, 

 852); Keystone Pass (Tibetts). Babington and Rothrock report its 

 occurrence at Kotzebue Sound, while Nylander credits it to Port 

 Clarence. 



No. 412 from Wrangell is large and well fruited, the others are 

 sterile or have only immature apothecia. 



50. Cladonia bellidiflora (Ach.) Schaer. 



Lichen (Scyphophorus) bellidiflorus ACHARIUS, Meth. Lich. 335. 1803. 

 Cladonia bellidiflora ScHAERER, Lich. Helv. Spic. 21. 1823. SOWERBY, Eng. 

 Bot. /. 



Alaska (Evans, 39, 193, 399, 502) ; Fraser Reach, Princess Royal 

 Island, B. C. (Trelease, 1314; Brewer and Coe, 300); Wrangell 

 (Brewer & Coe, 413); New Metlakatla (Trelease, 1317); Yakutat 



