16 6. CRUCIFEILE. 



3. RAPHANUS. Wild-Radish. 



1. R. RAPHANISTRUM, L. Jointed- Charlock, Wild-Radish. 

 Root slender. Stem branched, 12 18 in. high. Lower leaves 

 lyrate, segments distant, rough. Fl. large, pale yellow, with 

 strongly marked veins. Sep. erect, not spreading. Pods 

 jointed. Style or beak about 3 times longer than the last joint, 

 indistinctly constricted between each seed, faintly ribbed. Origin 

 of the garden radish. 



In corn fields frequent. (B) A. ~> 9. Common in Cumbrae, Bute, and Arran. 



2. R. MARITIMUS, Sin. Sea-Radish, or Sea-Charlock. Stem 

 branched, 3 4 feet high . Radical leaves interruptedly pinnate 

 with close segments, or lyrate. Fl. yellow. Pod distinctly con- 

 stricted between each seed ; beak mostly longer than the last joint, 

 strongly ribbed when dry. 



On the shingly beach at Wemyss Bay ; Innellan; Bute; Cumbrae and Arnui 

 (E) B. 68. 



4. BRASSICA. Cabbage, Turnip. 



1. B. OLERACEA, L. Sea-Coleiuort or Cabbage, Wild Cabbage. 

 Radical le. stalked, obovate sublyrate, waved and lobed, glabrous, 

 glaucous, thick and fleshy; upper ones semi-amplexicaul or sessile. 

 Fl. large, pale lemon yellow. Beak of the pod shortly conical. 



Very rare. " Sea shore in Arran," 1 Land. (A) B. 5 8. 



2. B. CAMPESTRIS, L. Wild-Navew, Swedish Turnip. Root 

 le. hispid, lyrate, dentate, somewhat fleshy, upper stem leaves 

 smooth amplexicaul, acuminate. "Petals remaining till the 

 corymb lengthens." Fl. large, pale orange. Pods ascending, 

 obscurely ^-angled, beak subulate. Whole plant glaucous. 



Frequent. Corn fields and sides of ditches. (E) A. B. fi 9. 



Var. NAPUS, L. Rape or Cole-Seed. Root slender in the annual, 

 and fusiform in the biennial state. Le. glabrous. Petals falling 

 before the corymb lengthens. Fl. rather small. Pod torulose. 

 Plant glaucous, radical le. with a few hairs on the veins beneath. 



Var. RAP A, L. Common Turnip. Root subglobose, fleshy. 

 Radical le. lyrate, hispid, green, not glaucous. Stem leaves 

 glaucous and glabrous, lyrate-pirniatifid, uppermost ones am- 

 plexicaul, acuminate. Fl. small, bright yellow, pet. deciduous. 



These three plants are frequently found in cultivated fields and by the banks of 

 rivers; Cart, Kelvin, and Clyde, Doubtful natives. 



3. B. MONENSIS, Br. Isle-of-Man Cabbage. Rhizome long, 

 woody. Stems prostrate. Le. stalked, all deeply pinnatifid, 

 lobes oblong, coarsely toothed. Fl. large, pale yellow, veined. 

 Pods 2 to 2^ in. long. Seeds finely punctured. 



Common on sandy sea shores, in Bute, Cumbrae, and Arran. (A) P. -~> 8. 



