14 THALAMIFLOE.E. 



smooth, waved and lobed j lower leaves lyrate, stalked ; upper 

 leaves oblong and sessile. Flowers large and yellow. Seed- pods 

 long and erect. The origin of our garden Cabbage. Cliffs above 

 Ansti's Cove. Dartmouth. (E. B. t. 637.) B. vi.-vm. 



2. B. Napus (Rape or Cole-seed) and B. rapa (common 

 Turnip) are mere varieties dependent upon cultivation of B. cam- 

 pestris (common Wild Navew) . A plant varying in height from 

 1 to 2 feet, with lower leaves lyrate and toothed, the end lobe 

 large ; somewhat hairy ; upper leaves heart- shaped, tapering to a 

 point and clasping the stem ; auricles rounded. Flowers bright 

 yellow. Pods like those of the Cabbage. Marychurch. Warberry 

 Hill. Fields at Moreton, etc. (E. B. t. 2146, 2234, and 2176.) 

 A. or B. v.-vn. 



SINAPIS. MUSTARD. 



1. S. nigra (common M.) Under hedges and in waste grounds. 

 Plant from 3 to 4 feet high. Lower leaves lyrate and rough, the 

 end lobe large ; upper leaves entire, lance-shaped. Flowers yellow. 

 Pods pressed close to the stem. Our table Mustard is produced 

 from the seeds. Common about Torquay, etc. (E. B. t. 969.) 

 A. VL-viii. 



2. S. arvensis (wild M., Charlock.) Too common in corn- 

 fields. A coarse-looking plant, from 1 to 2 feet high, bristly. 

 Lower leaves stalked, inclining to lyrate ; upper leaves sessile. 

 Flowers large and yellow. Pods smooth, swelling and knotty, 

 beaked. Abundant everywhere. (E. B. t. 1748.) A. vi.-vm. 



3. S. alba (white M.) Fields and waste places. Stem from 

 12 to 18 inches high, smooth, or with a few spreading hairs. 

 Leaves lobed irregularly, pinnate or lyrate. Flowers large, yel- 

 low. Pods hairy. Yery frequent. (E. B. t. 1677.) A. vn. 



DIPLOTAXIS. ROCKET. 



D. teimifolia (watt Rocket.) On walls and waste and rub- 

 bishy banks. From 1 to 2 feet high, loosely branched, quite 

 smooth. Leaves a yellowish green, very variable in their divi- 

 sions, usually lanceolate, with acute pinnate divisions ; uppermost 

 leaves often nearly entire. Flowers large and yellow. Pods 

 slender and spreading, in a loose cluster, containing two distinct 

 rows of seeds. Old walls about Exeter, Fl. D. 

 Linn. (E. B. t. 525.) P. vn.-ix. 



TRIBE X. YELLED. 



