60 



62. Cerastium alpinum L. 



Fug 16: on rock-ledges at about 600 m. (!). All the numerous 

 piants met with were c?; in the beginning of August, (Aug. 7*'^) they 

 were in full flower. 



63. C. Edmondstonii (Wats.) Murb. & Ostenf, in Murbeck: Studier 

 ofver kritiska kårlvaxtformer III. De nordeuropeiska formerna of 

 slagtet Cerastium. Botaniska Notiser 1898, p. 246. — C. latifoUiim, 

 ^ Edmondstonii Watson, London Botan. Soc. Catalogue of British 

 Piants 1844. — C. nigrescens and ^, acntifolinm Edmondston, Flora 

 of Shetland p. 29, 1845. — C. latifolinm Auctt. non. Linné; Rostr. 

 Fær. Fl. p. 36. C. arcticum Lange, Fl. Dan. facs. 50, p. 7, 1880 pro 

 parte (for the remaining synonyms see Murbeck 1. c). 



Conimon on all the istands on the platcaux in bare gravelly stony 

 ground, but not in the lowlands. 



Fl. June. Fr. July — September. 



Fig. '24. Ccnistinm Edmondsloni (Wats.) Murb. & Ostenf. Specimen Ironi Svino (Aug. 7th, 1897). 



(V') natural size). 



This species (Fig. 24), which is pretty distinct from the Alpine 

 C. latifolinm L., l)ut verges towards another Alpine species C. nniftornm 

 Murith (C. glaciale Gaud.) has been very dilTerently reported. The 

 honour of having made it fairly well-known falls to Johan Lange, 

 whose name, however, cannot be used on account of a claim to 

 priority fully pointed out by Murbeck in his above-mentioned 

 treatise (p. 247), and I had also arrived at the same conclusion 

 independently of Murbeck's investigation, at that time not yet pub- 

 lished. In the meantime on examining Lange's original specimens 

 to C. arcticnm I also observed that he himself was not thoroughly 

 acquainted with it, thus, he has referred several Iceland and Green- 

 land specimens of C. alpinum to C. arcticum, when they had a 



