92 CRYPTOGAMIA LICHENES. 



fasciculate spinous tips ; apothecia reddish-brown with a spinou* 

 border. HOOK. Scot. ii. 69. Lichen hispidus, LIGHTF. Scot. 88:?. 

 WITH. iv. 40*. Eng. Bot. t. 452. DILL. Muse. t. 17- 31. 



Hal. Elevated moors, common. Dirrington Law, in fruit. 



The side next the ground is wood-brown, without any polish. 

 The branches are short and intricate, spreading, sometimes 

 naked, and sometimes very rough with short spinous pro- 

 cesses. 



2. C. tristisy frond deep pitchy brown, rounded or subcom- 

 pressed, smoothish, distichously dichotomous, branches fastigiate, 

 black above ; apothecia slightly convex, blackish-brown, some- 

 what marginated, entire and toothed HOOK. Scot. ii. 69. Lichen 

 tristis, WITH. iv. 45. Eng. Bot. t. 720. L. corniculatus, LIGHTF: 

 Scot. 885. Parmelia tristis, SPRENG. Syst. Veg. iv. 276. DILL. 

 Muse. t. 17 f. 37. bona. 



Hob. On rocks near the summit of Hedge-hope, in dense 

 rigid tufts from half an inch to 1 inch in height. 



51. ALECTORIA. 



1. A jubata, frond filiform, very much branched, decumbent or 

 pendulous, blackish-grey, smooth and rather glossy ; branches 

 slender, entangled, irregularly beset with mealy sessile tubercles. 

 HOOK. Scot. ii. 67. Lichen jubatus, LIGIITF. Scot. 891. WITH. 

 iv. 49. Eng. Bot. t. 1880. DILL. Muse. t. 12. f. 7- and t. 13. 

 f. 10. 



Hab. On trunks of old trees, in pendulous tufts, sometimes 

 15 inches long, not uncommon; and occasionally on 

 large mossy stones in moors. On trees at Longforma- 

 cus, Mr Thomas Brown. Hawse Castle, plentiful. 

 Longridge Dean, and Murton Craigs. Dirrington 

 Law. 



The variety growing on rocks is the Lichen chalybeiformis of 

 WITHERING and others. There is, under this species, in 

 the inimitable Flora Lapponica of LIN;NVEUS, some interest- 

 ing observations on Lapland and its natives, written in the 

 terse and poetic style usual to that still unrivalled na- 

 turalist. 



