8$ CUMMINGS 



Bearing squamules. 



Podetia powdery .Jimbriata simplex. 



Podetia not powdery. 

 Cups proliferous. 



From the center verticillata. 



From the margin. 



Podetia smooth gracilis dilatata. 



Podetia granulate-furfuraceous degenerans. 



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 elongaia. 



48. Cladonia macilenta Hoffm. 



Cladonia macilenta Hoffmann, Deutschl, Fl. 126. 1795. 



Wrangell (Trelease, 13 18). Collected at-Loring by Dr. Cooley. 



Wainio, in his Monographia Cladoniarum, reports its occurrence 

 on Vancouver Island. 



49. Cladonia deformis (L.) Hoffm. 



Lichen defonnis Linn^us, Spec. PI. 2 : 11 52. 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, 1332a); 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) bellidijlorus Acha-rivs, Meth, Lich. 335. 1803. 

 Cladonia bellidiflora Schaerer, Lich. Helv. Spic. 21. 1823. — Sowerby, Eng. 

 Bot. t. i8g4. 



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



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



(Brewer & Coe, 413); New Metlakatla (Trelease, 131 7); Yakutat 



