- 



440 HEW J. M. CKOMBTE OF LTCHENS 



tj 



On the bark of trees ; very sparingly gathered. Coll. Balf. no. 2222. 

 Lecanora coniz.ea (Ach.), Nyh 



Entirely similar to our European plant. Thallus CaCl — . Spores 0*010- 



0-014 millim. long, 0*003-0'004 millim. thick. 

 On decorticated trunks ; perhaps not uncommon. Coll. Balf. no. 2.335. 



L. conizopta, NyL, sp. n. 



** Thallus albidus, tenuis, opacus, passim rimulosus (K flavens) ; apo- 

 thecia carneo-lutea vel luteo-rubella, subinnata, plana (latit. 0* 2-0*4 

 millim.), margine thallino depresso insequali cincta ; sporsc 8nse, ellip- 

 soidese, simplices, longit. 0*0 10-0*012 millim., crassit. 0-005-0006 

 millim. ; paraphyses gracilescentes. Iodo gclatina hymenialis cseru- 

 lescens. 



" Videture stirpe Lecanora coniz&ce, etnotis datis facile agnoscitur. 

 Nyl. in litt. 



On rocks ; sparingly gathered. Coll. Balf. no. 2217- 



L. parella * phlceoleuca, Nyl. 



" Thallo tenuissimo albo prresertim differcns a typo, et facie apotheei- 



orum subpertusariodea. Spor-ae longit. 0*038-0 050 millim., crassit. 



0023-0*025 millim. Fortasse propria species." — Nyl. in lift. 

 On the bark of trees (twigs); very sparingly gathered. Coll. Balf. 



no. 2330. 



L. atra, f. succedanea, Kyi. u Differt a L. atra europsea saltem sper- 

 matiis nonnihil brevioribus (longit. 0*00/-0 011 millim., crassit. fere 

 0-001 millim.):' 



On the bark of trees, dead wood, and on rocks ; apparently common. 

 Coll. Balf. nos. 220/, 2292. 



L. punicea, Ach. 



On the bark of trees; very fine and apparently not uncommon. Coll 

 Balf. no. 2238. 



- 



Pertusaria velata {Turn.). 



On the branches of trees; sparingly gathered and quite similar to our 

 British plant. Coll. Balf no. 2215. "' 



P. impallescens, Nyl., sp. n. 



" Thallus albidus, opacus, continuus, tenuis (crassit. circiter 0*2 milhflW' 

 sublaevis. passim rimosus vel rimulosus (K- ) ; apothecia incoloria UJ 

 protuberantiis thallinis depresso-convexulis innata, 1-4 in quavis ta i 

 protuberantia, ostiolis nigris, punctiformibus, vix prominulis; spor* 

 8iue, incolores, solitae generis, longit. 0070-0 082 millim., crassit- 

 0*032-0*040 millim. Iodo gelatina hymenialis intensive caerulescens. 



u Notis datis' satis distincta species, neculli cognitse affinis. Sperina i 

 peculiaria, aciculari-fusiformia (vel fusiformia utroque apice lon c 



