382 • DR. LArDER LTNDSAT OK THE 



89. X. sophodes^ Ach., and var. Icevigata^ Ach. Terricolous, Fog- 



stuen ; Laurgaard. 



90. L. htrfaceaj Whlnb., and var. mnim^cea^ Acli. Terricolous and 



TQuscicoloiis, Dovre- and Haalangen-fjclds, common. 



91. L, cinerea, L., including several forms more or less \vell 



marked. SaxicolonSj abundant on, or in, all the mountain- 

 ranges and valleys ; one of the most common, as well as 



ranges. 



98. i. subfusca^ Ach. Corticolous, muscicolous, and saxicolous : 



common on ash about Christiania; on decayed mosses, 

 shrubs, &c., Jerkin, 

 Var. epihrya^ Ach. Terricolous and muscicolous, common on 



the mountain-ranges. 

 Var. argentata, Ach. Corticolous (on weathered wood and 



bark), HaalangenQeld. 

 Var. atrynea, Ach. (" atypica substrato alieno superveniens 



»j 



Nylander notes on my specimen). Saxicolous : Kongsvold 

 and Jerkin, common. 



* In a \ci\fiY (of date July 18, 1866) Nylander refers this to Z. cinerea, L, 

 var. iOpina^ Smrf. 





puzzling, subalpine Norwegian Lecanor(B. j 



92. X. cinereo-rufescens^ Ach.* Saxicolous, Haalangenfjeld, 



Closely allied to, if not a form of, the preceding. 



93. i. pelohotrya, Smrf. Mountains of Stordal, Trondhjemstift, 



1824, Blytt. Also allied to X. cinerea. 



94. X. verrucosa^ Laur. Terricolous and muscicolous : associated 



freq^uently with JPerticsaria gJomerata: Sneehatten and 

 Jerkin. 



95. X. parella^ Ach. Saxicolous and muscicolous : common, m 



some of its forms, on the Dovrefjeld. 



Var. pallescens, Ach. Hvitingso, Stavanger, coll. Schubeler in 

 Herb. Blytt. A common Scotch saxicolous form. 



Var. Upsalicnsis, Ach. The common montane or alpine mus- 

 cicolous form. 



96. X. tartaira^ Ach. Saxicolous, terricolous, muscicolous, and 



corticolous (on twigs and roots of shrubs) : very common, 



in some of its forms, on Sneehatten and the DovreQeld. 

 Yar,frir/ida, Sra., the common muscicolous montane form, is 



generally more abundant than the type. 

 Var, gonatodeSy Ach., in the Herbarium Kew, from the summits 



of the Dovrefjeld (Smrf. TJ. I. 1828), is simply a condition 



0^ \ar,J'rigida, 



97. L* glaucoma, Ach, Saxicolous, common on all the mountain- 



