NOTES ON THE FLORA OF SHETLAND 299 



Rumex ohtusifolius L. U, 0. — B. crispus L. U, 0. — 

 B. aqtiaticus L. 0. In a deep rill with Phalaris arundinacea, 

 &c. — B. Acetosa L. U, 0. — B. Acetosella L. U, 0. 

 Montia fontana L. var. rivularis Gmelin. U, 0. 

 Chenopodium album L. 0. 



Atriplex Bahingtonii Woods. U. Le. — A. hastata L. U. 

 A weed of cultivation ; some of the plants were attacked by the 

 fungus Phyllosticta atriplicis Desm. 



Silene maritima G. Don. U. Chiefly on the Serpentine. — 

 S. acaulis L. U. This plant was common at not more than 

 100 ft. elevation ; in some places there were several hundred 

 capsules close together on each patch. 



Lychnis Flos-cuculi L. C7, 0. — L. alba Mill. U, 0. Very 

 little in either place. — L. dioica L. 0, U, Not abundant in 

 either place. 



Sagina procumbens L. U, 0. — S. nodosa Fenzl. U. Very 

 dwarfed on Serpentine. 0. Very little of it. 



Honkenya peploides Ehrh. U. Only in one place at Baltasound. 



Arenaria norvegica Gunn. U. On Serpentine only near 

 Baltasound. 



Stellaria media Vill. U, 0. — S. neglecta Weihe. U, 0. — 

 S. uliginosa Murr. U, 0. 



Cerastium viscosiim L. 0. Not frequent. — C. vulgatiwi L. 

 0. Eare. — C. tetrandrum Curt. U. On Serpentine, very 

 dwarfed. — C. arcticum Joh. Lange, var. nigrescens Edm. U. On 

 Serpentine, near Baltasound. 



Spergula arvensis L. U, 0. In both cases a weed of culti- 

 vation. 



Thalictrum alpinum L. 0, U. Frequent at 100 ft. above 

 sea-level in Unst, but only sparingly on schistose rocks, near 

 Ollaberry, at less than 100 ft., not seen at all on the granite, even 

 at over 1400 ft. 



Banunculus Flammula L. 0, U. Not common ; the creep- 

 ing form occurs about lake-margins. — B. acris L. 0, U. Not 

 common ; several forms. — B. repens L. 0, U. Not common. 



Caltha pahcstris L. 0, U. Uncommon. 



Arabis petrcea Lam. U. Frequent on exposed Serpentine. 



Cardamine pratensis L. U. In one place only. Sc. 



Sinapis arvensis L. U. Among crops. 



Draba incana L. U. On exposed Serpentine, mostly very 

 dwarfed, especially when compared with that on the carboniferous 

 limestone of the Yorkshire hills. 



Cochlearia alpina Wats. U. On Serpentine. Very dwarfed 

 plants. 



Capsella Bursa-pastoris Med. 0, U. Le. Very uncommon. 



Drosera roUmdifolia L. U, 0. Not by any means frequent 

 in any place I visited. 



Parnassia palustris L. U. A native told me of two stations 

 for this near the shore. The places described were similar to 

 some northern ones ; I have seen it in such as the northern shore 

 of Caithness. I did not see it inland. 



Y 2 



