CRUCIFERH, (MUSTARD FAMILY.) 23 
§2. Pod indehiscent, 1-celled. 
Pod orbicular, winged with a thin broad margin; flowers minute...Thysanocarpus. 9 
Pod long, pithy; seeds large; flowers large, veiny........++++200+- ...Raphanus, 10 
1. CARDAMINE, L. 
Pod linear, with somewhat thickened margins, merely pointed or beaked above; valvea 
lat, nerveless. Seeds in one row somewhat flattened, wingless; cotyledons flat, accum- 
bent. Sepals equal. Petals white or pinkish. 
1. C. paucisecta, Benth. Stems from small deep-seated tubers, erect, 8 to 18 inches 
high; leaves various; the upper deeply lobed or parted, the lower often simple; petals 
§ to 9 lines long; pods 1 to 14 inches long. 
2, ARABIS. L 
Pod linear; valves I-nerved, not strongly. Seeds in 1 or 2 rows, flattened; cotyledons 
aceumbent. Sepals short or narrow, rarely colored. Petals with a narrow claw, white, 
rose-colored, or purple. 
1. A. blepharophylla, Hook. & Arn. Stems often tufted 4 to 12 inches high; 
leaves strongly ciliate, sometimes sparingly sinuate-toothed, the lower obovate or broadly 
spatulate, the cauline oblong, sessile; petals bright purple, 6 to 9 lines long. 
2. A. Breweri, Wat. Cespitose, canescent, with dense stellate pubescence; stems 2 to 
10 inches high; petals 1 to 4 lines long, deep rose-color; sepals purplish; pods spreading 
or recurved. 
3. CHEIRANTHUS, L. 
Pod elongated, compressed; valves 1-nerved or carinate. Seeds in one row, flattened, 
not winged; cotyledons accumbent, or rarely oblique. Calyx not colored, the outer sepals 
strongly gibbous. Stigma with two spreading lobes. 
1. C. asper, Cham. & Sch. Rather sparingly pubescent with appressed 2-parted 
hairs; stem simple erect, leafy, 1 to 3 ft. high; leaves spatulate or oblanceolate, the lower 
long petioled, entire or sinuate-toothed; sepals broad 4 to 6 lines long, half the length 
of the bright yellow or orange petals; pods 14 to 2 inches long. 
4, ERYSIMUM, L. 
Pod 4-angled by the prominent mid-nerve of the valves, not stipitate; cotyledons 
incumbent or oblique. Sepals, petals and stigma like the last. 
1. HE. asperum, DC. Similar to the last; sepals narrower; petals usually creamy 
evhite to yellow. 
5. BRASSICA, L. Mustarp. 
Pod nearly terete or somewhat 4-sided, pointed with a long conical beak. Seeds in 
