of some Lichens. 263 



Lecanora hageni, forma brunneola^ Mer. 

 Mereschkovsky, Mat^r. p. une Mcuogr. d. genre Lecano7-a. 



Apotheciis obscurioribus, fusco-brunneolis. Ad eaxa granitica. 

 Comparanda cum Lecanora brunneola, Mer., in Mereschkovsky, 

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

 Austria, Monichkirchen). 



Spec. orig. in lieib. Conservat. botan. Genevse. 

 Lugano. 



Forma microcarpa, Mer. 



Mereschkovsky, Schedulse 'ad Lich. ticin. exsiccatos, Annuaire du 

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



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

 0"4 millim.) lata, margine saepius subcrenulato vel crenulato. 



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

 lierb. Parisii (Museum), (3) in herb. Brit. Mus. 

 Is certainly not a young state ot the type. 

 Lugano; Geneva (Helvetia). 



Forma perplexoides, Mer. 

 Mereschkovsky, Mat^r. p. une Monogr. d. genre Lecanora. 



Thallus parum evolutus, albidus, subgranulatus, hypothallo albo ; 

 apothecia media, O'6-l 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 subcouvexo, pallida livido- 

 brunneolo, nudo. Habitu nonnullum Lecanoram perplexam, 

 Mer., commemorans. Ad saxa granitica. 



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

 iierb. Brit. Mus. 



Lugano (Helvetia italica). 



Lecanora perplexa, Mer. 



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

 Lecanora galactina, Harm. Lich. Lothar. no. .561. 

 Lecanora galactina, torma ligniaria, Nyl. in Norrl. et Nyl. H. L. F. 



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

 Lecanora alhella, var. hageni, in Mudd, Ex.sicc. no. 115. 

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

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

 lata (Dicks.), Wain. ; ejusdem Tabulae Gen. Lich, Kazan, 1913, 

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



Ad saxa calcarea, prsesertim supra muros. 



Thallus parum evolutus, e granulis paucis applauatis vel plus 



