REV. J. M. CROMBTK OK NEW BEITTSH LICHENS. 485 



of epithecium reddish (hjrpothecium more obscure in the middle) : 

 hymeneal gelatine blue, then wine-red, with iodine. 



On decaying felled stumps of holly in the New Forest, near to 

 Brockenhurst, April 1869. Very rare, and met with but in one 

 spot. From the preceding, to which it is otherwise closely allied, 

 and of which it may be but a subspecies, it diifers chiefly by the 

 apothecia being black and margined. 



11. Lecidea leptostigma, NyL in Flora, 1868, p. 344, Thallus (if 

 proper) greyish white, rimulose : apothecia brownish black, innate, 

 small, gregarious : spores eight in thecae, globose or ellipsoid, 'OOS- 

 "009 miUim. in diameter, uniseriate in the cylindrical thecse : para- 

 physes of medium thickness, sordid yellow towards the apex ; hypo- 

 thecium scarcely yellowish : hymeneal gelatine not coloured with 

 iodine. 



On a micaceous weathered boulder near Loch-na-Cat, on Ben 

 Lawers, August 1867. Apparently extremely rare, and gathered 

 only very sparingly. It is allied to Z. resmcd, Frs., and, as Ny- 

 lander observes, may perhaps be only a small fungus, though I 

 suspect fungologists would reject it from their list. 



12. Lecidka interludens, NyL in Flora, 1870, p. 35. ThaUus 

 white or greyish white, thin, rimulose-areolate, limited by black lines : 

 apothecia black, superficial^ convex, imniarginate, or often with a 

 white epithalline margin, colourless within s spores eight in thecae, co- 

 lourless, ellipsoid, •010-012 miUim. long, "OOfi-'OOa niillim. thick : 

 paraphyses of medium thickness, with clavate brownish apex : sper- 

 matia short: hymeneal gelatine blue with iodine, and the thecal 

 themselves wine- or violet- red. 



On calcareous boulders of Morrone, Braemar, August 1869. 



liare, 

 "W hinb 



It is allied to Z. mollis^ 



distinguished by its larger elliptical spores and the otlier charac- 

 ters now mentioned, 



13. Lecidea mesotbopa, Nyl. in Flora, 1867, p. 328. Thallus 



greyish, verrucose-areolate, indeterminate, of medium thickness : apo- 

 thecia brownish black or black, opaque, somewhat plane, adnate, the 

 margin obtuse or evanescent, white within : spores eight in thecae, elli])- 

 soid, •009--013 millim. long. 'OOS-'OOG miUim. thick: paraphyses 

 slender, usually not discrete: epithecium brownish: hypothecium 

 colourless : hymeneal gelatine blue with iodine. 

 On a gneissic boulder on the descent from Ben Lomond to 

 Loch Ard, Auj^ust 1865. This at first was regarded by Nyland 



LINK. JOUBN. — BOTANY, TOL. II. 2 L 



