CATALOGUE OF JIE. N. .T. WINC'H's LICHENS. 323 



227. Lecidea speieba = Lecidea concentrica (Dav.) Teesdale 



moors. 



228. IsE.civEX ^£-E,T^m^.■=. Lecidea concentrica (Ji>Si.Y,) No locality. 



229. Lecidea petilsia = Lecidea concentrica, forma im^ressula 



(Leight.) Teesdale. 



230 — 233. Lecidea maemoeea = Lecidea capularis (Ekrh.) 

 Tour specimens. Two from Teesdale, one from Horsley 

 Hope Dene, and one from near Sudley, endorsed "W. B., 

 which probably are the initials of W. Borrer. 



234-235. TJeceolaeia diacapsis (Ach.) There are two fine 

 specimens of this lichen, from near Barnard Castle. 

 This is one of the new species found by the Eev. J. 

 Harriman, and named by Achaeius as above. But a 

 micro-diagnosis of these specimens, shows that the spe- 

 cies is not an Urceohria, according to present lichen 

 arrangement. Our diagnosis of the the two specimens 

 named is as follows : — Thallus contiguous or rimose, un- 

 equal, white, f ariaose ; hypothallus white ; apothecia nu- 

 merous, sometimes crowded, emerging from the thallus, 

 sessile, fuscous, pulverulent, proper margin prominent 

 with a spurious thalline margin, flexose ; hypothecium 

 thickish, nigro-fuscous ; spores eight, simple, small, 

 oblongo-ellipsoid, colourless ; paraphy ses gelatinoso-con- 

 crete, apices fuscous ; gelatina-hymenea blue with iodine. 

 Thallus K— C. Bed. 



On suggesting to the Eev. J. M. Crombie that this 

 species should be named Lecidea diacapsis, he reminded 

 me that Dr. Nylander, in his Lich. Scand. (which work 

 I do not happen to possess), * * refers the original specimen 

 Serh. Ach., from Harriman, to a form of Lecanora eal- 

 carea.'^ But these two specimens in Winch's Collection, 

 left behind by the same authority who gathered the first, 

 while they thoroughly agree with Achaehts' description, 

 as far as it goes, yet differ very considerably from 

 Lecanora calcarea, as the reaction of the thallus alone 

 shows. And assuming that these two specimens are 



