466 1 IS. Lecidea. 4. CENOTHALAMEiE. Pl.ceU.aph. 
Lichen leprosus ruber, tuhercnlis nigris, Oeder in FI. Dan. 470. 
Lichen Oederi, Achar. Prod. 68; Engl. Bot. 1117. 
Lichen csesius ? Dicks. Crypt. 2, 19. 
Lichen Dicksoni, Wither. Bot.Arr . 4,20. 
Lecidea Oederi, Achar. Meth. 49. 
Lecidea Dicksonii, Achar. Lich. 165. 
On stones. 
14. Lecidea flavicunda . Yellow-stained lecidea. 
Crust very thin, cracked, pale-yellowish ochry, beds flat ; 
apolhecia half sunk in the thallus, flat, scattered, black, 
slightly hoary, inside black, with a transparent horny stra- 
tum under the centre. 
Lichen csesius? Dicks. Crypt. 2, 19. 
Lecidea flavicunda, Achar. Lich. 166. 
On rocks. 
15. Lecidea alba. While lecidea . 
Crust indeterminate, membranaceous, rather cracked,, 
whitish, sprinkled over with a grey or greenish white con- 
glomerated powder; apothecia^ .minute, pressed close, flat, 
black. 
Byssus candidissima calcis instar muscos vestiens, Dillen Muse. 2. 
Byssus lactea, Lin. S. P. 1639. 
Lidien lacteus, Schreber Spic. 
Lichen albus, Achar. Prod. 7. 
Lepraria alba, Achar. Meth. 3 ; Engl. Bot. 1349. 
Lecidea alba, Achar. Lich. 185. 
On the trunks of trees. 
16. Lecidea citrinella. Citron-yellow lecidea . 
Crust leprous, gi anularly powdery, greenish yellow ; 
apolhecia sessile, bordered becoming convex, black ; inside 
similarly coloured. 
Lichen citrinellus, Achar. Prod. 64. 
Lichen flavo-virescens, Dicks. Crypt. 3, 13. 
Lecidea citrinella, Achar. Meth. 47. 
On rotten mosses, and the cracks in walls. 
17. Lecidea scabrosa . Rough lecidea . 
Crust in warty clots, powdery, yellowish grey ; apolhecia 
convex, rough. 
Lichen flavo-virescens, Dickson Crypt. 3, 13. 
Lecidea scabrosa, Achar. Meth. 48. 
Lecidea citrinella jS, Achar. Lich. ISO. 
On naked gravelly soils. 
