CONTRIBUTIONS TO A FLORA OF THE OUTER HEBRIDES 235 



A. ALBA, Linn., var. COMPACTA, Breb. Baleshare island, North Uist, 

 Dr. Shoolbred, sp. 



AVENA FATUA, Linn. var. PILOSISSIMA, Gray. About potato and 

 cornfields in Scarp, W. S. Duncan, sp. 



CATABROSA AQUATICA, Beauv. (3 uniflora, Gray, " Nat. Arr. Brit. 

 PI." 1821, p. 133, /3 subtilis, Hook, " Brit. Fl." 4th ed., 

 1838, p. 36; /3 minor, Bab., "Man. Brit. Bot." ist ed., 

 1843, P- 266. These represent the one-flowered form which 

 occurs on the sandy coast at Huskinch in North Harris, W. S. 

 Duncan, sp. y littoralis, Parn, "Brit. Grass." t. 102, 1842, y 

 littoralis, Kittel, "Tasch. deut. Fl." ed. iii. (1844) P- I02 ' ex 

 Hackel. 



This is 2-3 flowered, and occurs in sandy places by the sea. 



TRITICUM REPENS, Linn., /? BARBATUM, Duval-Jouve. Barra, A. 

 Somerville, sp. 



ASPLENIUM MARINUM, L. Above Sinclair Loch in West of Barra. 

 T. Scott, "Ann. Scot. Nat. Hist." 1895, p. 64. 



LYCOPODIUM CLAVATUM, L. Moors near Stornoway, W. J. Gibson, 

 sp., 1908. 



It is remarkable that this species should not have been before 

 recorded for these islands. 



ISOETES LACUSTRIS, Linn. Island of Scarp, W. S. Duncan. 

 CHARA ASPERA, Willd. South Uist, A. Somerville, sp. 



C. FRAGILIS, Desv., var. CAPILLACEA, Coss. ei Germ. Scarp, W. S. 

 Duncan, sp. 



The following 1 3 species should occur in the islands. 

 The appended numbers signify in how many vice-counties 

 in Britain they occur, and the letters signify their existence 

 in Caithness or Sutherland respectively. 



Stellaria gratninea, 109, S. Mentha arvensis, in, C. S. 



Lotus pilosus, 100, C. Nepeta Glechoma, 103, C. 



Medicago lupulina, 105, C. S. Lamium album, 102, C. 



Prunns communis, 108, C. S. Briza media, in, C. S. 



Geum urbamtm, 107, C. S. Bromus sterilis, 108, C. 

 Conopodiumde mi datum, 109, C. S. Polystichum lobatnm, 104, C. S. 

 Senecio sylvaticus, 107, C. 



Isle of Scarp. Mr. Duncan enumerates 247 species as 

 occurring in that island, which is 3 miles long by 2^- miles 

 wide, and attains the height of 1011 feet in one hill, Strone 

 Romul. 



(uJiLIBRA. 





