CLADONIA. ] CLADONIEL, 141 
Form 3. aspera Florke, Clad. (1828) p. 30.—Podetia more or 
less clothed with foliolose squamules ; squamules crenate or crenato- 
incised at the margins.—Cromb. Grevillea, xi. p, 112.—Capitularia 
gracilis var. aspera Florke in Web. et Mohr, Beitr, ii. (1810) p. 333. 
—Brit. Exs.: Leight. n. 402. 
Differs in the more or less squamulose podetia, which are usually 
ascyphous. The British specimens are in a stunted condition, with 
podetia short (scarcely more than 1] in. high), subulate and sterile. 
Hab. On the ground in upland situations.—Distr. Local and scarce in 
Central and N. England.—B.M.: Charnwood Forest, Leicestershire ; 
Ingleby Park, Cleveland, Yorkshire ; Windermere, Westmoreland. 
Var. 8. hybrida Scher. Spic. (1823) p.32.—Podetia more or less 
elongate, robust, sparingly branched, usually scyphiferous ; scyphi 
subdilated or proliferous at the margins. Apothecia moderate.— 
Mudd, Man. p. 55, Brit. Clad. p. 17; Cromb. Grevillea, xi. p. 112. 
—Cladonia hybrida Hoffm. Deutsch. Fl. ii. (1795) p. 119 pro parte. 
Cladonia gracilis Cromb. Lich. Brit. p.19. Coralloides seyphiforme 
serratum elatius, caulibus gracilibus glabris Dill. Muse. 88, t. 14. 
£.134, B. 
A robust plant, with the podetia for the most part scyphiferous. As 
noticed by Nylander (Syu. p. 196), it approaches vars. of pyxidata, of 
which at first sight it looks to be a more extended form. In the few 
British specimens the apothetia are sparingly present. 
Hab. On mossy rocks and among mosses on the ground in mountainous 
districts.— Distr. Local; the Grampians, Scotland, probably not uncom- 
mon.—B. M.: By Loch Tay, Killin, Perthshire; Sidlaw Hills, Forfar- 
shire; Glen Callater, Braemar, Aberdeenshire. 
Subsp. C. gracillima Norrl. Hb. Lich. Fenn. ix. (1882) n. 424.— 
Podetia elongate, very slender, crowded, subulate or scyphiferous, 
much branched above; branches divided, shortly subfurcate at the 
apices; scyphi very narrow, denticulate at the margins (K—, 
CaCl—). Apothecia not seen.—Cromb. Grevillea, xi. p. 112. 
Distinguished by the slender podetia being densely caespitose, much 
and intricately branched, especially in the upper portion, and by their 
apices being somewhat fureate, resembling C. fureata. Found only ina 
substerile condition. 
Hab. On mossy boulders in upland fir woods.—Distr. Very local and 
scarce in N, England and N.E. Scotland—B. M.. The Cheviots, North- 
umberland. Countesswells Wood, near Aberdeen. 
12. C. cornuta Fr. Lich. Eur. (1831) p. 225.—Thallus sparingly 
foliolose at. the base; leaflets lobato-crenate or none; podetia elon- 
gate, corticate and glabrous in the lower portion, pulverulent towards 
the apices, subuliformi-cornute or a few sometimes narrowly scyphi- 
ferous (K—, CaCl—). Apothecia small, brown; spores as in the 
preceding species. —Cromb. Lich. Brit. p.13; Grevillea, xi. p. 112,— 
