CABBACE FAMILY 



39 



and ainplexicaii] ; flo7vers small, white. A stiff, erect plant, 

 frequent on walls and banl<s. — Fl. June — August. Biennial. 

 6.* A. Turrita (Hairy Tower Mustard), naturalised, but very 



Ar.\p[s glabra (.y;;/<\V/; /"(' 



^riistar.n. 



rare, on old walls, cliiefly at Oxford and Carnbridge, has an erect 



Hem, over a foot high, with forked hairs,, amplexicaul caiiliiie 



leaves, and bracteate yellow /7otwi?^j-. — Fl. May — Julv. Perennial. 



7. A. s;Iiih-a (Smooth Tower Mustard). — Erect, glaucous ; s/eni 



