IV. NYLANDER 
Letida atrovirens Ach. et var. geographica  vulga- 
tiss. . 
Umbilicaria pustulata Hoffm. vulgar. 
— — polyphylla Hoffm. vulgatiss. 
—  Ayperborea Ach. freq. 
-— erosa Hoffm. freq. 
— hirsuta Hoffm. freq. Var. murina pass. 
— — polyrhizos Fr. frequentiss. 
Opegrapha varia Pers. pass. | 
a > ätra Pöre forma macularis freq. 
- scripta Ach. sat freq. 
Trachylia tympanella Fr. rarius. 
— ""”Hgillaris Fr. sarius. 
Calicium lenticulare bt tärius. 
— — frichiale Fr. et forma stemoneum freq. C(haec 
frequentior). 
— subtile Pers, c. var. debile Turn. vulgar Status 
— hyperellum Whlab. rarius.. om Mjölö vulgaris. 
— trachelinum Ach. pass. freq. - 
— chrysocephalum Turn. rar. In Degerö i in betu- 
lis vetustis simul cum Öaheio hyperello. 
— —- roscidum Flörk. frequentiss. 
— —- curtum Turn. freq. 
Coniocybe furfuracea Fr. rar. Degerö. 
