CLADONIA.] CLADOXIEI. 17J 



N. England, but no doubt to ba detected elsewhere. B. M. : Kildale 

 Moor, Cleveland, Yorkshire. 



Form 2. carcata Nyl. Lich. Scand. (1861) p. 62. Podetia 

 moderate, granulato-pulverulent and partly squaraulose, simple or 

 subdivided at the apices ; apothecia solitary or conglomerate. 

 Cromb. Lich. Brit. p. 21 ; Leight. Lich. Fl. p. 70 pro parte, ed. 3, 

 p. 64 pro parte (cfr. Cromb. Grevillea, xi. p. 115). ? Cenomyce 

 car fata Ach. Lich. Univ. (1810) p. 568. 



The original specimen gathered in England by Turner having disap- 

 peared from Herb. Ach., at Helsingfors, it is very doubtful what Acharius 

 really me.int bv his cnrcata, which in Syn. p. 20(5 he refers to Cenomyce 

 bar.ifiaris as a variety. If really referable to this latter, Nylander suggests 

 in lift, that it may be the same as his var. subcoronata. Probably, 

 however, it is nothing very typical, and if belonging to the present variety, 

 is only a simpler condition, and such as sometimes occurs in this country. 



Hob. On mossy boulders in wooded mountainous districts. Distr. 

 Very local and scarce (at least in its more characteristic state) in S.W. 

 and* N. England and the Highlands, Scotland. B. M. : Dartmoor, S. 

 Devon ; Wark, Northumberland. Barcaldine, Argyleshire ; Falls of 

 Bruar, Blair Athole, Perthshire ; Craig Cluny, Braeinar, Aberdeenshire. 



Var. 3. ostreata Xyl. Lich. Par. (1855) n. 108, Syn. i. p. 225. 

 Thallus with the basal squamules ascending, subimbricate, 

 usually sub rotund ate, white-pulverulent at the margin and on the 

 under surface ; podetia small, white-pulverulent, the scyphi narrow. 

 Apothecia minute, very rare. Cromb. Grevillea, xi. p. 115. -Cla- 

 donia digitata var. macilenta f. ostreatiformis Leight. Lich. Fl. p. 70, 

 ed. 3, p.' Q4.Brit. Exs. : Mudd, Clad. n. 69 ; Leight. u. 371. 



Readily recognized by the basal squamules bearing a very considerable 

 resemblance to those of Lecidea ostreata, from which when sterile it is 

 distinguished by the different reaction with K. In our British specimens 

 the podetia are usually short, somewhat cornute at the apices, or when 

 tetter developed narrowly scyphiferous. The apothecia are extremely 

 rare, though the spermogones are not unfrequent. 



Hub, On old mossy stumps of trees in upland wooded districts. Distr. 

 Found sparingly only here and there throughout England. B. M. : 

 Epping Forest, Essex"; New Forest, Hants; Charnwood Forest, Leices- 

 tershire ; VVrelvin Hill, Shropshire ; Battersby, Cleveland, Yorkshire. 



36. C. bacillaris Nyl. ex Cromb. Linn. Soc. Journ., Bot. xvii. 

 (1880) p. 559. Thallus minutely squamulose at the base ; squa- 

 mules incised and crenate, greyish-white above, white beneath ; 

 podetia slender, cylindrical, simple or shortly branched at the apices, 

 very rarely narrowly scyphiferous, greyish-white, granuloso-pulve- 

 rulent (K , CaCl ). Apothecia small, discrete or confluent. 

 Cromb. Grevillea, xi. p. 115. Cladonia Floerlciana var. badlhiris 

 Leight. Ann. Mag. Nat. Hist. ser. 3, xviii. p. 417 pro parte; Lich. 

 Fl. p. 71, ed. 3, p. 65 pro parte. Cladonia FloerJciana var. bacillaris 

 Cromb. Lich. Brit. p. 21. Scyphophora bacillaris Gray, Arr. i. 

 p. 422 pro parte. Bvomycs* bacillaris Ach. Meth. (1803) p. 329. 



