of some Lichens. 263 



Lecanora hageni, forma brnnneola, Mer. 

 Mereschkovskj, Mater, p. une Monogr. d. genre Lecanm-a. 



ApothGciis obscurioribua, fusco-brunneolis. Ad saxa granitica. 

 Compai-anda cum Lecanora brnnneola, Mer., in Mereschkovsky, 

 Tabute Generum Lich. Kazan, 1913, Lecanora, i. no. 37 (ex 

 Austria, Monichkirchen). 



Spec. orig. in heib. Conservar. botan. Genevae. 

 Lugano. 



Forma microcarpa, Mer. 



Mereschkovsky, Schediilse ad Lich. ticin. exsiccatos, Annuaire du 

 Conservatoire et Jard. bot. d. Geneve, vol. xxi. 1919, p. 165. 



Apothecia minuta, sat uniformia, distantes, vulgo 0*3 millim. (0'2- 

 0-4 millim.) lata, margine ssepius subcrenulato vel crenulato. 



Spec. orig. (1) in herb. Conservat. botan. Genevse, (2) ia 

 lierb. Parisii (Museum), (3) in herl). Biif. Mus. 

 Is certainly not a young state of the type. 

 Lugano ; Geneva (Helvetia). 



Forma perplexoides, Mer. 

 Mereschkovsky, Mater, p. une Monogr. d. genre Lecanora. 



Thallus parum evolutus, albidus, subgranulatus, hypothallo albo ; 

 apothecia media, 0-6-1 millim. (0-4-1-2 millim.) lata, concreta, 

 mutuo pressione elevata, orbicularia vel subflexuosa, margine 

 tenui integro, interdum leviter crenulato discum parum superante, 

 albido ; disco piano vel interdum subconvexo, pallide livido- 

 brunneolo, nudo. Habitu nonnullum Lecanoram i'>erpJexam, 

 Mer., commemorans. Ad Baxa granitica. 



Spec. orig. (1) in herb. Conservat. botan. Genevee, (2) in 

 herb. Brit. Mus. 



Lugano (Helvetia italica). 



Lecanora perplexa, Mer. 



Syn. Lecanora crenulata, multor. auctorum, praecipue rossicorum. 

 Lecanora galactina, Harm. Lich. Lothar. no. 564. 

 Lecanora galactina, forma ligyiiaria, Nyl, in Norrl. et Nyl. H. L. F. 



no. 139 [vide Harmand, Lich. d. Fr. p. 1006). 

 Lecanora alhella, var. hageni, in Mudd, Exsicc. no. 115. 

 Lecanora galactina, Ach. in Hepp. Flecht. Eur. no. 180. 

 Exsicc. Mereschkovsky, Licht. Ross, exsicc. no. 9 (sub Lecanora cremt- 

 lata (Dicks.), Wain. ; ejuj<dem Tabulte Gen. Lich. Kazan, 1913, 

 Lecanora, i. no. 21 (sub nomine vero). 



Ad saxa calcarea, prsesertim supra mures. 



Thallus parum evolutus, e granulis paucis applanatis v«l plus 



