OTTO. V. DARBISHLUK. UCHK.NS [si:c. AHCT. EX1'. FRAM 



Addition. 



Since writing the above report I have succeeded in obtaining a copy 

 of -'Lichenes expeditionis G. AMDRUP (1898 1902). Enumeravit EDV. A. 

 \V\L\io". printed in the Meddelelser om Gronland in 190"), p. liT> 141. 

 As a result the following species must be added to our list, which is 

 thus brought up to 50r>: 



Lecidcn subcongrua NYL. - - HUE Add. n. 1159. 

 Cladonia cerasphora WAIN. - WAIN. Glad. II. p. 167. 

 Placodium verruculiferum WAIN. - - AMDRUP p. 131. 

 Cdloplaca vitcllinula (NYL). DARBISH. -- HUK Add. n. 510. 

 Sguamaria alphoplaca (WNBG.) ACH. - TH. FR. Scand. p. 230. 

 Sqnamaria bradeata (HFFM.) NYL. - - TH. FR. Scand. p. 223. 

 Unellia groenlandica WAIN. -- AMDRUP p. 133. 

 Acarospora discreta (Acn.) TH. FR. - TH. FR. Scand. p. 217. 

 Solorina odospora ARN. AMDRUP p. 134. 

 Polyblastia terrestris TH. FR. - TH. FR. Poly. p. 15. 



Explanation of Plates. 



Tab. I. fig. 1. Lecided purissima. 



2. Lecidea solitaria. 



3. Catocarpon depressum. 

 Tab. II. fig. I. Pcrtusaria dcfrni/hiditdu. 



2. Asi>icili(i lcxl<'ii<ui-a. 



3. Aspic Hid nikrapensis. 



I'rinli-.l t'.l (rt..|,,. r I'.MI'.I. 



