138 LICHEN ACET. [CLADOITTA. 



cerate. Apothecia not seen. — Cladonia pyxidata y. Jlmbriata k. 

 ahortiva Mudd, Brit. Clad. p. 11. Sojphojjhora Jimbriata y. ahortiva 

 Gra)', IS^at. Arr. i. p. 420. Capitularia pyxidata (3. lonrjipes B. 

 ahortiva Flcirke in Web. et Mohr, Beitr. ii. (1810) p. 291. 



Seems to be only a form of this subspecies, next to wliicb it was 

 placed by Acharius, Syn. p. 255. It is distiiifjuisbed chiefly by the apices 

 of the podetia and by being always sterile. In the British specimens the 

 scyphi are not well developed, and only a few spermogones are visible. 



Hah. On semiputrid stumps in upland districts. — Distr. Local and 

 scarce in N. England and the S.W. Highlands, Scotland. — B. M. : Near 

 Ayton, Cleveland, Yorkshire. Barcaldiue, Argyleshii-e. 



Yar. ft. subcomuta IS'yl. ex Cromb. Grevillea, xi. (1883) p. 112. 

 — Podetia elongate, simple or sparingly branched above, white- 

 pnlverulent, subulate and more or less cornute at the apices. — Cla- 

 donia Jimhriata ?Mh^]). subcornuta Nyl. in Flora, 1874, p. 318. Cla- 

 donia pyxidata ^.JimbriataA.. cornuta Mudd, Man. p. 53; Brit. Clad, 

 p. 12. Scypliophora fimhriata rj. cornuta Gray, Nat. Arr. i. p. 420. 

 Lichen cornutus Lightf. Fl. Scot. ii. p. 870 I ; Eng. Bot. t. 1836. 

 Coralloides vix ramosum, sciq^liis ohscuris Dill. Muse. 90, t. 15. 

 f. 14 D, -E.—Brit. Exs. : Mudd, Clad. nos. 19, 20, 21 ; Bohl. n. 48. 



Distinguished from Cfihida by the form of the apices of the ascyphous 

 podetia. In this it closely resembles states of C. cornuta, with which it 

 has often been confounded, but is distinguished by the podetia being 

 pulverulent throughout. Only spermogones are present in our specimens. 



Sab. On the ground among mosses in upland districts. — Distr. Appa- 

 rently not very common in Great Britain and Ireland. — B. M. : Epping 

 Forest, Essex ; Ayton and Baysdale, Cleveland, Yorkshire ; Teesdale, 

 Durham. Leadhills, Lanarkshire; Killin, Perthshire; Countesswells, 

 near Aberdeen ; Kinnordy Moss, Forfarshire ; Morrone, Braemar, Aber- 

 deenshire. Near Cork; Blaris Bridge, Belfast, co. Ajitrim; Kylemore, 

 CO. Galway. 



Form 1. nemoxyna Nyl. ex Cromb. Grevillea, xi. p. 112. — Podetia 

 slender, branched ; branches divided, subuliform. Apothecia not 

 seen. — Cladonia pyxidata e. cornuta 1. nemoxyna Mudd, Brit. Clad. 

 p. 13. Scypliophora fimhriata ^. nemoxyna Gray, Nat. Arr. i. p. 420. 

 Baomyces radiatus ft. nemoxynus Ach. Meth. (1803) p. 342. Coral- 

 loides scyphiforme cornutum Dill. Muse. 92, t. 15. f. 16 b, d, e. 



Differs in the subuliformi-branched podetia, with the branches usually 

 of unequal length. It occurs only sperm ogoniiferous. 



Hub. On the gi-ound among heaths in upland tracts. — Distr. Local and 

 scarce in E. and N. England and among the S. Grampians, Scotland ; 

 probably to be detected elsewhere. — B. M. : Epping Forest, Essex ; 

 Ayton Moor, Cleveland, Yorkshire. Killin, Perthshire. 



Form 2. tortnosa Nyl. ex Cromb. Grevillea, xi. (1883) p. 112. — 

 Podetia somewhat stout, flexuose, divaricately branched ; branches 

 short, subulate, or thickened and obtuse at the apices. — Cladonia 



