CRVCIFERAE (MUSTARD FAMILY) 



4 CAKlLE SEA ROCKET. (C. edtntula.) 



5 SINAPIS WHITE MUSTARD. (S. dlba.) 



6 BRASSICA. 



1 a Upper leaves not with clasping bases; plants green, 



sparingly glaucous 2 



b Upper leaves with clasping bases or the basal leaves 



fleshy; plants glaucous-blue when in flower 4 



2 a Pods appressed to stem, about %-% in. long 



BLACK MUSTARD. (B. nlgra.) 

 b Pods not appressed to stem 3 



3 a Plant only slightly hairy; pods 1-2 in. long 



INDIAN MUSTARD. (B. juncea.) 

 b Plant covered with stiff hairs; pods %-% in. long 



CHARLOCK. (B. arvensis.) 



4 a Basal leaves green, thin; upper leaves glaucous; flowers 



about % in. or more broad TURNIP. (B. rapa*) 



b Basal leaves glaucous, comparatively thick; upper leaves 



glaucous ; flowers %-% in. broad 5 



5 a First leaves hairy, older basal leaves sometimes hairy 



on the midvein; root more or less tuberous 



RUTA-BAGA. (B. campestris.*) 

 b Leaves not hairy ; roots not tuberous 6 



6 a Leaves more or less deeply scalloped ; cultivated for 



forage or for seed RAPE. (B. napus*) 



b Leaves lobed, not deeply scalloped; cultivated for the 



table CABBAGE, BRUSSELS 



SPROUTS, KOHL-RABI, KALE, CAULIFLOWER. (B. oleracea*) 



7 RAPHANUS. 



i a Flowers yellow ; pod 6-io-seeded ; wild species 



WILD RADISH. (R. raphanistrum.) 

 b Flowers pink or white ; pod 2-3-seeded ; cultivated 



species GARDEN RADISH. (R. satlvus.*) 



8 BARBARfcA. 



i a Pods spreading when mature 



YELLOW ROCKET. (B. bar bar ea.) 

 b Pods appressed to the stem. . .WINTER CRESS. (B. stricta.) 



9 RORlPA. 



1 a Flowers yellow ; leaves pinnatifid 2 



b Flowers white ; leaves simple or compound 3 



2 a Plant creeping; pods linear 



CREEPING YELLOW WATER CRESS. (R. sylvestris.) 

 b Plant erect; pods oblong to ovoid 



YELLOW WATER CRESS. (R. palustris.) 



3 a Leaves with 3-11 leaflets; plant growing in brooks 



WATER CRESS. (R. nasturtium.) 

 b Leaves simple, 3-12 in. long, oblong; plant growing in 



waste places and gardens. HORSE-RADISH. (R. armoracia.*) 



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