ALIEN PLANTS 41 



" Tweed " indicates those observed on the shingle of that 

 river between Abbotsford and Leaderfoot. 



CRUCIFER^. 



Barbarea arcuata, Reichb. Leith, a. 



B. sicula, Presl. Leith, a. 



Eruca vesicaria, Cav. Leith, e. 



Erysimum Perofskianum, Fisch. and Mey. Leith, y. 



Iberis sempervirens, Z. Leith, a. 



Malcolmia maritima, R. Br. Leith, /?. 



Nasturtium amphibium, Br. Leith, y. 



Sisymbrium runcinatum, Lag. Leith, a. 



MALVACE^. 



Lavatera trimestris, L. Leith, y. 



AMPELIDE^. 

 Vitis hederacea, Ehrh. Slateford (outcast), y. 



RUTACE^. 

 Ruta graveolens, L. Leith, a. 



LEGUMINOS^. 



* Astragalus hispidulus, DC. Leith, e, 



*A. Stella, Gouan. Leith, y. 



*Lupinus linifolius. Roth. Slateford and Leith, fi. 



Medicago laciniata. Mill. Leith and "Tweed," y. 



*M. coronata, Desr. Leith, a. 



Ononis reclinata, L. Leith, /?. 



Trifolium angustifolium, L. Leith and " Tweed," ^. 



T. stellatum, L. Leith, fi. 



T. glomeratum, L. "Tweed," a. 



LYTHRACE^. 



Lythrum Hyssopifolia, L. Leith and " Tweed," y. 



UMBELLIFER^. 



*Astrantia helleborifolia, Salisb. In a wood in Linlithgowshire, ^. 

 Bupleurum aristatum, Bartl. Leith, /?. 

 Trinia vulgaris, DC. Leith, a. 



