178 XICHENACEI. [CLADTNA. 



3. C. nncialis Nyl. Not. Sallsk. pro F. et Fl. Fenn. Forh. n. s. v. 

 (1866) p. 111. Podetia cylindrical, somewhat close, glabrous or 

 verruculose, shining or subopaque, shortly and dichotomously 

 branched, more or less perforate at the axils, straw-coloured or 

 greenish-straw-coloured, the apices erect, subulate or (2-5) denti- 

 culate when sterile, digitato-radiate when fertile ; scyphi none 

 (K , K(CaCl) + yellowish). Apothecia small, pale or brown ; spores 

 oblongo-fusiform, 0,008-12 mm. long, 0,0035 mm. thick. Cromb. 

 Lich. Brit. p. 22. Cladina uncialis Leight. Lich. Fl. p. 74, ed. 3, 

 p. 67. Cladonia uncialis Gray, Nat. Arr. i. p. 415 ; Sm. Eng. Fl. 

 v. p. 238 ; Mudd, Man. p. 59. Cenomyce uncialis Hook. Fl. Scot. 

 ii. p. 64 ; Tayl. in Mack. Fl. Hib. ii. p. 78. Lichen uncialis Linn. Sp. 

 PL (1753) p. 1153; Huds. Fl. Augl. p. 459 ; Lightf. Fl. Scot. ii. 

 p. 880 ; With. Arr. ed. 3, iv. p. 44 ; Eng. Bot. t. 174. Cladonia 

 stellata Schser., Mudd, Brit. Clad, p. 26. Coralloides perforatum 

 ininus molle et tenue Dill. Muse. 99, t. 16. f. 22 A, c, D. Liclienoides 

 tubulosum cauliculis mollioribus et crassioribus, minus Dill, in Ray, 

 Syn. ed. 3, p. 67, n. 21. Brit. Exs. : Bohl. nos. 15, 31. 



Though the podetia are usually glabrous, yet when the plant grows at 

 high altitudes and in exposed situations they often become subjmumlato- 

 unequal, as also in the following forms. In the type the podetia are of 

 nearly equal thickness throughout, and vary in height from 1-3 inches. 

 The apothecia are very rare with us, nor are the spermogones frequent. 



Hob. On the ground among mosses on moorlands and mountains from 

 upland to alpine regions. Distr. General and common throughout 

 Great Britain, and probably in Ireland ; usiiRlly associated with the two 

 preceding species. B. M. : Yarmouth, Suffolk; Reigate Heath, Surrey; 

 near Tuubridge Wells, Kent ; Hay Tor, Dartmoor, Devonshire ; near 

 Respring, Cornwall ; Charnwood Forest, Leicestershire ; Hartlebury 

 Common, Worcestershire ; Barmouth and Rhewgreidden, Merionethshire ; 

 Ingleby Moor, Cleveland, Yorkshire: The Cheviots, Northumberland. 

 New Galloway, Kirkcudbrightshire; Ben Lomond, Dumbartonshire; 

 Craig Calliach and Rannoch Moor, Perthshire ; Clova, Forfarshire ; Hill 

 of Ardo, near Aberdeen, Glen Callater and Ben Macdhui, Braemar, Aber- 

 deenshire ; near Rothiemurchus aud Ben Nevis, Inverness-shire ; Lairg, 

 Sutherlandshire ; Hills of Applecross, Ross-shire. Coachford, near Cork ; 

 Erris, co. Mayo ; Kylemore, co. Galway. 



Form 1. bolacina Cromb. Lich. Brit. (1870) p. 22. Podetia 

 short, slender, usually very much and somewhat intricately branched, 

 imperforate at the axils. Cromb. Grevillea, xi. p. 115. Cenomi/ce 

 uncialis y. bolacina Ach. Lich. Univ. (1810) p. 559. Brit. Exs. : 

 Leight. n. 58; Mudd, n. 17, Clad. n. 61. 



Caespitosely pulvinate in habit, and distinguished by the smaller and 

 much more branched podetia, which are scarcely 1 in. long. They are 

 occasionally " adspersed with a verrucseform lepfa " Del. " rugoso-ver- 

 rucose with brown points" Schfer., var. leprosa (Del.), which appears 

 to be caused by a fungus. Tt is rarely fertile. 



Hab. In dry places among mosses on moorlands in upland districts. 

 Distr. Apparently local and scarce in N. England, N. Wales, and among 

 the Grampians, Scotland. B. M. : Hay Tor, Dartmoor, Devonshire ; 

 Haughmond Hill, Shropshire; Rhewgreidden, Merionethshire; Cleve- 



