246 34. CLADONIACEAE [ 132. Cladonia 



F. Podetia always evident, partly decorticate, 



KOH plus 34. CI. delicata 



D. Podetia becoming long 



E. Primary thallus usually soon disappearing; podetia 



becoming more or less decorticate above . . 2i. furcata scabriuscula 

 E. Primary thallus usually persistent ; podetia 

 decorticate throughout, or becoming so 

 F. Podetia usually simple, or somewhat branched, 

 farinose-sorediate 



G. Podetia usually with cups, the apices commonly 

 perforate 



H. Podetia much elongated .... 35. CI. cenotea exaltata 

 H. Podetia short to medium-long 



I. Podetia rarely branched 35. CI. cenotea 



I. Podetia usually branched ... 35. CI. cenotea crossota 

 G. Podetia usually without cups, the sterile 



apices usually subulate 36. CI. glauca 



F. Podetia more or less branched, the cortex becoming 

 granulose, or lacking 

 G. Podetia plainly squamulose 



H. Squamules small 31. CI. squamosa 



H. Squamules larger 



I. Podetia regularly cup-bearing 31. CI. squamosa phyllocoma 

 I. Podetia rarely cup-bearing . . 31. CI. squamosa frondosa 

 G. Podetia not plainly squamulose 



H. Podetia squamulose-scaly or sorediate- 

 granulose, KOH plus 

 I. Podetia squamulose-scaly above, squamulose 



toward the base 2>2. CI. subsquamosa 



I. Podetia sorediate-granulose, without 



squamules 32. CI. subsquamosa granulosa 



H. Podetia granulose or cortex more or less 

 continuous, KOH minus 



I. Podetia without cups . . 31. CI. squamosa muricella 



I. Podetia regularly cup-bearing 



J. Podetia densely granulose . . 31. CI. squamosa rigida 

 J. Podetia smooth, cortex almost continuous 

 or absent 

 K. Cortex absent or scattered, at 



least above . . . .31. CI. squamosa denticollis 

 K. Cortex more or less continuous, rarely 



slightly sorediate . 31. CI. squamosa multibrachiata 

 A. Cups, apices, or axils of podetia usually imperforate 



B. Podetia yellowish or yellowish green; apothecia pallid 

 C. Podetia sorediate, more or less decorticate 



D. Regularly forming cups 65. CI. carneola 



D. Regularly cupless, sterile apices subulate 64. CI. cyanipes 



C. Podetia corticate, not sorediate 



D. Podetia slender; on old wood 62. CI. botrytes 



D. Podetia stouter; on soil, rarely on old wood . 63. CI. piedmontensis 



B. Podetia greenish gray; apothecia pallid, or brownish 

 C. Podetia becoming long 



D. Podetia commonly proliferating from the center 

 of the cups 

 E. Ranks rather long, the apices beaklike or cornute, 



KOH plus 52. CI. gracilescens 



E. Ranks shorter, apices terminated by cups or apothecia, 

 KOH minus 



F. Podetia usually whitish green 56. CI. calycantha 



F. Podetia darker 



G. Proliferations from the center of the cups . 55. CI. verticillata 

 G. Proliferations in part from the margins of the 

 cups and from the sides of the 

 podetia 55. CI. verticillata cervicornis 



