TETRADYNAMIA SILIQUOSA. 359 



Upon dry rocks frequent, as upon the rocks in the 



king's park at Edinburgh, ^c. $ . Vl. 

 The italk is rough, a foot high or more, generally 

 unbranched : the leaves are rough, faplcfs, oval, 

 nightly ferrated, and fometimes entire, and fpread 

 upon the ground round the root in a circle : the 

 (talk-leaves are feffile, and embrace the ftalk at 

 their bafe : the petals are of a yellowilh white ♦, 

 the leaves of the calyx the fame, but their fum- 

 mits tinged with red : t\\G/tliqu^e are linear, (Irait, 

 convex on both fides, having a longitudinal line 

 '' in the middle of each valve : the younger fai- 



qu^ are dark color'd, and (land parallel and clofe 

 to the ftalk, but when ripe they hang down : 

 the feeds form little round elevations on the out- 

 fide of the valves. 



BRASSICA. Gen.fl 820. 

 Cal. ere6tus, connlvens. Sem. globofa. Glandula in- 

 ter ftamina breviora &piftillum, interg-, longio- 

 ra & cahcem. 

 napus I. BRASSICA radice caulefcente fufiformi. Sp, pL 

 931. {Ger, em. 235. /. 2. Moris, hiji.f. 3. /. 2. 

 fig. ultima. Pet. herb. t. 45./. 9) 

 Wild Navew. Anglis, 



Amongft corn, on ditch banks, and in wafte places. 

 On the rocks behind Edinburgh caille. Dr, Par- 

 dons. ^ . VI. 

 The ftalk is from a foot to two feet high : the ra- 

 dical leaves are almoft ftnooth, and divided into 



deeply 



