Lecidea.] 



LICHENES. 183 



der. Lichen effusus, E. Bot. t. 1863, upper figure — Lecanora 

 effusa, Ach. Syn. p. 159. 



«. On the trunks of trees. /3. Common in similar situations, about 

 Yarmouth, in Hampshire and Sussex.— Mr. Borrer only refers the upper 

 figure of Lichen effusus, E. Bot. to this species ; the lower represents 

 the Lecidea pined Ach. which may also be a var., and the Lecanora effusa 

 "is scarcely distinct and I believe is what Acharius in his Lich. Univ. 

 calls his var. s. tenebricosa. ,y 



48. L. rupestris, Ach. {Bock Lecidea); crust thin tartareous 

 contiguous greyish-white, apothecia minute immersed plane 

 at length convex bordered the border subpersistent glabrous 

 reddish-brown of the same colour within. Ach. Syn. p. 39. — 

 Lichen rupestris, Scop, (not E. Bot.)—L. calvus, Dicks. Or. 

 Ease. 2. p. 18. t. 6./. 4. E. Bot. t. 948. 



Calcareous rocks. 



49. L. irrubdta, Ach. ? (orange-red Lecidea); crust thin dis- 

 persed greenish-grey, apothecia sunk flat bordered at length 

 convex smooth deprived of border reddish orange-coloured. Sm. 



Ach. Syn. p. 40 ? (Borr.)— Lichen rupestris, E. Bot. t. 2245. 



(excl. the Synonyms.) 



Walls at Beamish, Durham, Mr. Winch. 



50. L. verndlis, Borr. Mss. (vernal Lecidea); crust thin 

 powdery whitish-green, apothecia at length almost globose 

 clustered of a rusty flesh-colour. Sm.— Ach. Syn. p. 36 ?— 

 Lichen vernalis, Linn. (Sm.) E. Bot. t. 845.— Lecidea luteola, 

 Ach. Syn. p. 41. — Lichen porriyinosus, Turn, in Linn. Trans. 

 p. 94. t. S.f. 4. — Lichen spharoides, Dicks. Cr. Ease, l.jp.9. 

 t. 2.f. 2. 



On the bark of trees, frequently coating mosses. 



51. L. pined, Ach. (waxy-shielded Pine Lecidea); crust very 

 thin sordid greenish-grey, apothecia sessile minute waxy ur- 

 ceolate yellow-flesh-colour with an entire border. Ach. Syn. 

 p. 41.— Lichen effusus, E. Bot. t. 1863, lower figure. 



On the dead scales of Fir-bark, near the ground, Costesscy, near 

 Norwich. 



52. L. cornea, Ach. Meth. (horny-cupped Lecidea); crust 

 mealy thin white, apothecia a little elevated brown semi-trans- 

 parent with a thick elevated even smooth paler border. Sm. — 

 Lichen corneus, Wah.—E. Hot. t. 965.— Lecidea cameola, Ach. 

 Syn. />. 12. 



On Oaks in Denbighshire ami the X. of England. 



53. I., fusco-lutea, Ach. (brownish-yellow Lecidea); crust 

 thin continued even very white and smooth, apothecia elevated 

 flat (lull-yellow or reddish-brown with a bonier of the same 

 colour. Ach. Syn. p. 42. — Lichenfusco-luteus, Dicks. Cr* F< 



/. ii. /: •_'. /:. Bot i. L007. 



on elevated mountains, incrusting decayed mosses, frequent. <>u 

 the Scottish mountains the. is not [infrequent, and is rendered verj con- 

 spicuous by the rather bright reddish or orange-brown < \jelds t on* wane 

 thaUui* 



