LEPTOGIUM.] COLLEJIKI. 7^^ 



Var. y. crenatum Nyl. Flora, 1875, p. 106. — Thallus small, smooth 

 or subsmooth ; lobes short, crowded, somewhat crenato-incised at 

 the marguis. Apothecia small, scattered. — Cromb. Grevillca. xv. 

 p. 13. 



A marked variety, at once distinguished by the entirely smooth thallus, 

 only a few lobes here and there being slightly rugnlose. Its small 

 crowded lobes suggest L. pulcinatum. In the only fertile specimen seen, 

 the apothecia are but few. 



Hub. On the ground among schistose rocks in snbalpine localities. — 

 Distr. Extremely local and scarce among the S. Grampians of Scotland. 

 — B. M. : Craig Vore and Ben Lawers, Perthshire. 



14. L. palmatum Mont. PI. Cell. (1840) p. 128, in Webb & Berth. 

 Canar. — Thallus laciniate, thin, greenish- or glancous-brown ; lacinijo 

 sublinear, suberect, coruiculato-coiivolute. Apothecia small, sessile, 

 p;ile-red, the thalline margin elevated, entire, concolorous ; spores 

 ellipsoid or attenuate at the apices, variously septate and divided 

 (irregularly murali-locular), 0,028-40 mm. long, 0,016-18 mm, 

 thick. — Nyl. Syu. i. p. 120; Mudd, Man. p. 48 ; Cromb. Lich. Brit, 

 p. y ; Leight. Lich. Fl. p. 34, ed. 3, p. 31. — CoIIema palmatum Sm. 

 Eng. Fl. V. p. 210. 8cytenium palmatum (iray, Nat. Arr. i. p. 398. 

 Lkhen pahnatus Huds. Fl. Angl. ed. 2 (1778), p. 536; With. Arr. 

 ed. 3, iv. p. 74; Eng. Bot. t. 1035. Lichenoides pell ucidum fuscum 

 corniculatum Dill. Muse. 143, t. 19. f. 30. Lichenoides gelatinosuni 

 tenerius laciniatum ex fusco purpiirascens Dill, in Kay, Syn. ed. 3, 

 72. 54. ■ 



The thallus is cajspitose, moderate or small, often tinged puqilish, and 

 rather brittle when dry. It somewhat resembles var. 8 of the preceding 

 in the herbarium, but is distinguished by its nearly erect laciniie, revo- 

 hite at the niargius. Tlie apothecia are rare, and are but few when 

 present. On the thallus is sometimes found the parasitic Obryzum cur- 

 nitttlatum. 



Hah. Among mosses and short gi'ass in sandy and gravelly places in 

 maritime and upland tracts. — Di'ttr. General in the Channel Islands and 

 England, rare in Scotland and Ireland. — B. M. : St. Brelades Bay, 

 Island of Jersey ; Island of Herm. Yarmouth, Norfulk ; Hale End, 

 Epping Forest, Es.sex ; near Stony Cross, New Forest, Hants ; Swanage, 

 Dorsetshire; Lustleigh Cleeve, Bottor Rock, and near Okehampton,' 

 Devonshire; Hales End, near Malvern, Worcestershire; Coatham, Cleve- 

 land, Yorkshii-e. Sands of Barrie, Forfarshire ; Cattleton of Braemai'. 

 Aberdeenshire. Luggelaw, co. AVicklow. 



15. L. tremelloides Gray, Nat. Arr. i. (1821) p. 400.— Thallus 

 lobed, thin, somewhat smooth, dull olive-green or glaucous leaden- 

 coloured ; lobes oblong, imbricate or crisp, entire at the margins. 

 Apothecia moderate, urceolate or plane, reddish or pale-red, the 

 margin thick, entire ; spores ovoid, or often ellipsoid, narrowed at 

 either apex, 3-septate, irregularly murali-locular, 0,021-27 mm. 

 long, 0,008-9 mm. thick.— Nyl. Syn. i. p. 124, t. ii. f. 7; Mudd, 

 ^lan. p. 48 ; Cromb. Lich. Brit. p. S ; Leight. Lich. Fl. p. 2**^. 



