LICHEK-rLORA OF >'OnTHERN EUKOPE. 373 



59. X. lacfea, Fik. Saxicolous. 



60. Z. intumescens^ Flk. Saxicolous : ou boulders with rounded 



surfaces ; specimens not obtainable. 

 Gl. L. petrcea^Ylot, Saxicolous. 



62. Z. excentrica.Koh,, jN"yL Scand. 233. Saxicolous, Yidey. A 



close ally, if not a form, of the preceding. 



63. L. coniops^ AYhlnb., and form ohscurior, IS^yl. MS. Saxicolous, 



Videy. Described in Nylander's ' Scand.' 237, as a yar. of 

 X. disciformis^ Fr. 



64. Z. mi/riQcarpa, DC, form. Saxicolous, Videy. 



65. Z. geograpliica^ L. Saxicolous, very common. 



66. Z. mrcogynoides^ Ivorb. 252*. Saxicolous. !N^ot mentioned in 



]N"ylander's ' Scand.' 



% 



67. Endococcits gemmifer, Tayl. Saxicoloiis. Mentioned, in Xy- 



landcr's ' Scand.' 281, as likely to occur, though not hitherto 

 found, in Scandinavia, 



r 



11. Fciro, 



1. S])}i(£roplioron coralloides^ Pers. Abundant, but not in fruit. 



2. Stereocaulon pascliale^ Laur. Also abundant, but not seen in 



fruit. ' 



3. Hamalina calicaris^ Ach., var. farinacea^ Ach. Saxicolous, 



abundajitly sorediiferous, common about the shore. Apt 

 to be confounded with the M. tinctoria auctt. 



4. J2. scoptdonauj Ach. Abundant on the rocks about the harbour, 

 ^ Thorshavn. Laudt describes it erroneously as " very rare." 



5. Cetniria Islandica, Ach., and var. crispa, Ach., Sir AV. C. Tre- 



velyan. Mostly on the hills, but probably (at least var. 

 platgna^ Ach., or the larger forms generally) iu small 

 amount; for the Amtman of Fiiro (Dahlerup) assured me 

 that all the " Iceland Moss " used in these islands (as me- 

 dicine, not as food) is imported from Sweden. I was furtlier 

 given to understand that this may be the case also with 

 the medicinal '' Iceland Moss " used in Iceland itself! 



6. C. aculeata^ Fr., and var. inuricata, Ach., Sir W. C. Trevelyan. 



7. Parmclia saxatilis, Ach.f Saxicolous, on the hills; abundant, 



but seldom in fruit. 



ar. omplicdodes^ Ach. E(jually common, and infrequently fertile. 



8. l^hgscia parietina, L. Saxicolous : on walls of the town and 



rocks about the harbour, Thorshavn. 



* In a letter of date Oct. 12, 1866, Nylaiider informs me that he now regards 

 this as Lecidea lapicida^ Fr., var. declinata, NyL 

 t The *^ Sta^namosi^^ of the Fai'oese. 



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