40 6. CRUCIFERJE. 



Suborder IV. Nucumentacece. Tribe IX. Isatidea. 



28. ISA 'TIS Linn. Woad. 



1. /. tinctoria (L.) ; " radical leaves oblong crenate," pouch 

 abrupt smooth thrice as long as broad. E. B. 97. R. ii. 4. 

 St. 1 4 ft. high branched. Fl. yellow. Pouches |- in. long, 

 pendent. Wild on cliffs by Severn. Tewkesbury (Hooker). 

 B. VII. E. 



Suborder V. Lomentacece. Tribe X. Cakilinece. 



The fruit consists of a very small 2-celled, stalklike, usually 

 sterile pod, with a long moniliforra beak bearing the seeds and 

 dividing transversely into as many indehiscent cells as there are 

 seeds. 



29. CAKI'LE Mill. Sea-Rocket. 



1. C. marit'ima (Scop.) ; joints of the pouch 2-edpred, upper 

 with 2 teeth at the base, L fleshy pinnatitid or (integri folia 

 Horn.) somewhat toothed. .. B. 231. R. ii. 1. Fl. purplish. 

 Pouches an inch long, erect, with 4 sharp angles, swordshaped 

 in the upper part. Sandv sea-shores. A. VI. VII. Purple 

 Sea-Rocket. K S. I. 



30. CRAM'BE Linn. Sea -Kale. 



1. C. marit'ima (L.) ; pouch without a style, 1. roundish 

 sinuate wavy toothed glaucous and as well as the st. glabrous. 

 E. B. 924* R. ii. 2. Root thick, fleshy. St. 2 feet high. 

 Fl. white. Longer filaments forked at the end. Pouches 

 roundly ovoid, large. Sandy sea-shores. P. VI. E. S. I. 



Tribe XI. Raphanea. 



31. RAPB'ANUS Linn. Radish. 



f 1. R. Raphams'trum (L.) ; pods moniliform shorter than 

 the very long beak with slender ribs, /. simply lyrate. E. B. 

 85(5. Root slender. Lobes of the leaves quite distinct. Pet, 

 veined, yellow, white, or lilac. Corn-fields. A. VI. VII. 

 Jointed Charlock. E. S. I 



