CLADOfflA.] CLADOHIEI. 133 



Banks, Cleveland, Yorkshire. New Galloway, Kirkcudbrightshire ; 

 Appin, Argyleshire ; Rannoch, Perthshire ; near Ballater, Aberdeenshire ; 

 Loch Linnhe, Inverness-shire. Kylemore, co. Galway. 



Form hololepis Florke Clad. (1828) p. 83. Podetia somewhat 

 short, densely squamuloso-furfuraceous ; squamules fragile, more or 

 less pulverulent : scyphi irregularly flmbriate or divided. Cromb. 

 Grevillea, xi. p. 112. Cladonia pyxidata /n. pityrea j. hololepis 

 Mudd, Brit. Clad. p. 16 (non Exs. n. 33). 



This differs in the minutely squamuloso-furfuraceous podetia somewhat 

 elongate when sterile. Though distinct, it is only a form, as in the type 

 a few minute squamules are occasionally present. In the only British 

 specimen the apothecia are somewhat numerous. 



Hab. Ou the ground amongst decayed heaths in upland districts. 

 Distr. Very local and scarce in the S. Highlands, Scotland, though no 

 doubt occurring elsewhere. B. M. : Glen Lochay, Killin, Perthshire. 



7. C. acuminata Norrl. Medd. Soc. pro F. et Fl. Fenn. (1876) 

 p. 12. Thallus minutely squamulose at the base : squamules 

 greenish-grey above, white beneath ; podetia slender, somewhat 

 elongate, cylindrico-subuliform, simple or branched, acuminate at 

 the apices, granulato-furfuraceous, greyish-white (K + yellowish, 

 CaCl ). Apothecia terminal, small, brown. Cromb. Grevillea, xi. 

 p. 112. Cladonia pyxidata p. pityrea e. acuminata Mudd. Brit. 

 Clad. p. 15 (non Exs. n. 20). Cenomyce pityrea b. acuminata Ach. 

 Syn. (1814) p. 254. Coralloides corniculis brevioribus et crebrioribus 

 Ml. Muse. 104, t. 16. f. 27 E. 



Till recently this was regarded by authors as a variety of C. pityrea. 

 In addition, however, to the more elongate, subulate, apically acute 

 podetia, with their terminal apothecia, it is at once separated by the 

 thalline reaction with K. Of the two specimens gathered in this country, 

 one is fertile. 



Hab. On the ground among mosses in subalpine districts. Distr. 

 Very local and scarce among the N. Grampians, Scotland, and in N.W. 

 Ireland (Connemara, Galway). B. M. : Head of Glen Callater, Brae- 

 mar, Aberdeenshire. 



8. C. Lamarkii Nyl. Flora, 1875, p. 447. Thallus squamulose 

 at the base ; squamules small, crenate, greyish-green above, whitish 

 beneath ; podetia moderate, granulato-furfuraceous, scyphifero-pro- 

 liferous, the scyphi not pervious, digitately divided at the margins, 

 furcato-radiate at the apices (Kf+ yellowish, then ochraceous, 

 CaCl ). Apothecia small, conglomerate, brown. Cromb. Journ. 

 Bot. 1876, p. 360; Grevillea, xi. p. 112; Leight. Lich. Fl. ed. 3, 

 p. 54. Cladonia Lamarkii Del. fide N"yl. 1. c. Cladonia pyxidata 

 /j. pityrea c. fascicularis Mudd, Brit. Clad. p. 15. 



From the two preceding species this is distinguished by the scyphi and 

 by the reaction with K. In the few British specimens the podetia are 

 rather short (about ^ in. long), occasionally somewhat fasciculate, with 



