68 



Podetia subcylindrical or thickened toward the top, always fertile, 

 branching, sometimes even from the base, branches suberect or spread- 

 ing, sides fissured or grooved, cortex subcontinuous or areolate, decorti- 

 cate portions between the areoles white, apothecia clustered at tips of 

 branches, frequently perforate, light, dark or reddish brown. KOH + 

 yellow. (PL 3, f. 5.) 



30. C. carlo sa 



Podetia slender, cylindrical, "at length elongated, the fertile ones mostly 

 simple but the sterile at length fastigiately branched," largely decorti- 

 cate. KOH-. (PL 2, f. 5.) 



32. C. decor ticata 



Forms of Species and Habitat Notes 



1. C. rangiferina (L.) Web. In moss or thin soil over ledges, widely scattered 



and in dense colonies in favorable locations, found by writer along north 

 shore of Gaspe; reported by A. F. Allen (Rhodora, Vol. 32, No. 377, 

 page 91) in valley of Cap Chat River and on Mount Logan, 4,000 feet, 

 Gaspe; found by writer near Federal Lead and Zinc Mines, Matane 

 Township, Gaspe, at 2,000 feet; reported by C. W. Dodge, (Rhodora 

 Vol. 28, p. 205) on Tabletop, 4500 feet, and Mt. Albert, 3700 feet, on 

 Shickshock Mountains, Gaspe; received from G. F. Dillman, from west- 

 ern Maine, Grafton township; from Vincent J. Schaefer, from Mount 

 Marcy in the Adirondacks; from F. K. Vreeland, on Blue Mountain, 

 3500 feet, Adirondacks. More common northward than in the club range: 

 /. crispata, a low, dense form, may be looked for with the species. 



2. C. sylvatica (L.) Hoffman, In openings in spruce woods, in Gaspe National 



Forest; reported by C. W. Dodge, from the Tabletop Range, and Mount 

 Albert, 3800-4500 feet, in the Shickshocks, Gaspe; from Vreeland, 

 South Pond, Adirondacks; probably widely scattered, and sometimes 

 mixed with C. rangiferina, in shade. 



3. C. mitis Sandst. Not as common northward as in the sandy areas of the 



coast strip in club range, but probably to be looked for in sandy soil in 

 southern and central Maine; reported by Allen on Cap Chat River, 

 Gaspe. 



4. C. tenuis (Floerke) Harm. Found by writer in Matane Township, Gaspe 



County, Quebec, at 1500 feet; received from Avery, Chairback Moun- 

 tain, Maine; and Vreeland, South Pond, Adirondacks. Probably occa- 

 sional in north. 



5. C. impexa Harm. Var. laxiuscula Del. reported by C. W. Dodge, on the 



Tabletop Range, in Gaspe. To be looked for with other Cladinae in the 

 north, not seen by nor received by writer. 



6. C. alpestris (L.) Rabenh. Received from Avery, Mount Katahdin and 



Chairback Mountain, northern Maine; Schaefer, Mt. Marcy, Adiron- 

 dacks; A. T. Shorey, Basin Mountain, Adirondacks; M. L. Joslin, Lin- 

 coln Mountain and Couching Lion, Vermont; Mrs. Laura Woodward 

 Abbott, Jay Peak, Vermont; Blue Mountain, Adirondacks, Vreeland; 

 E. H. Walker, Mount Washington. Common on open mountaintops in 



