34 oN THE BOTANICAL GEOGRAPHY OP THE 



Bryum argenteum. 



Fissidens bryoides. 



Leskea complanata, sericea. 



Hypnum purum, cupressiforme, praelongum. 



Fontinalis antipyretica. 



Jungermannia tamariscifolia, complanata. 



Verrucaria confluens, Glaucoma, geographica, 

 arenarla, immersa, scruposa, punctata, tes- 

 sellata, pertusa, Perella, Ruscorum (Psora 

 Hoffm.) purpurascens^ farinosa, petrasa. The 

 following are much less frequently met with in 

 the most southern than in the most northern parts 

 of Europe ; V. pallida, rubra, atra, subfusca. 



Lobaria lentigera, aculeata, citrina (this is more 

 frequently found in the South of Europe), 

 olivacea, centrifuga, parietina, ciliata, prunastri. 



Peltigera canina. -Umbilicaria pustulata. 



Collema crispum. 



Cladonia rangiferina, pyxidata, foliacea. 



Usnea hirta, llorida. 



Lepraria antiquitatis, flava, rubens, botryoides. 



Opegrapha atra. 



Geastrum stellamm. 



