66 CRUCIFERiE. thysanocabpus. 



RAPHANUS. 



indehiscent, 1-cellcd, 1-seeded. Seeds pendulous, somewhat flat- 

 tened, margined. Cotyledons accumbent to oblique-incumbent. 



T. curvipes Hook 1. c. Somewhat hirsute at base, glabrous above, 

 6-25 inches high: radical leaves, oblanceolate, 1-3 inches long pin natifid 

 or sinuately toothed: upper ones lanceolate to linear, sagittate-auriculate 

 and clasping at base, entire or sparingly toothed : pods rounded to obo- 

 vate or ovate, densely tomentose or glabrous 2-4 lines broad including the 

 entire or crenate, veined and often perforated wing, emarginate at the 

 summit and tipped by the short purple style, usually colored ; pedicels 2- 

 4 lines long, at length recurved. Common on dry hillsides Washington 

 to California, Arizona and Idaho. Flowering in early spring. 



T. radians Benth. PI. Hartw. 297. Stems 6-18 inches high simple or 

 with a few simple, elongated ascending branches, glabrous: lowest leaves 

 runcinately toothed or pinnatifid; the cauline ones ovate-lanceolate and 

 auriculate-clasping : racemes long, loosely flowered : pedicels usually as- 

 cending but nodding near the apex, 4-8 lines long: petals purple, exceed- 

 ing the sepals; pods rounded, 4-5 lines in diameter, tomentose or quite 

 smooth, scarcely emarginate with a broad entire translucent wing con- 

 spicuously marked by radiating nerves : style short. Southern Oregon 

 ( Umpqua valley) to Central California. 



Tribe IX. Raphan^as DC. Pods indehiscent, transversely separ- 

 ated into 1-few-seeded joints. Seeds globose. Cotyledons condu- 

 plicate. 



36 RAPHANUS Tourn. Inst. 229 t. 114 L. Gen. n. 882. 



Coarse annual or biennial herbs with pinnatifid leaves and 

 white or purple flowers. Sepals erect, the lateral ^somewhat sac- 

 cate. Petals large, unguiculate. Stamens 6, unappendaged, 

 attenuate to a slender or rather stout beak, indehiscent trans- 

 versely divided by several false partitions, seeds globular, pend- 

 ulous. 



K. sativus L. Sp. ii 669. Stems stout and branching 1-4 feet high from 

 a straight thick annual root: leaves lyrately pinnatifid, hirsute : petals 

 white t<» purple 6-8 lines long: pods terete 4-6 lines in diameter, gradually 

 narrowed to an elongated beak, usually 2-3-seeded. Escaped from culti- 

 vation, Washington to California. 



Order VIII. CAPPARIDACEiE Endl. Tumi. 889. 



Herbs or shrubs with alternate leaves without stipules and 

 perfect hypogynoiis flowers. Sepals or lobes of the calyx 4. 

 Petals 4, rarely "> S or none, usually uDgirculate, more or less 

 unequal. Stamens, in ours, (>-l k 2, rarely 4. Ovary often stipi- 

 fcate, composed of two united carpels with two parietal pla- 

 centae. Styles united into <>m\ often filiform, sometimes short 

 or almost none: stigma often discoid or snbeapitate. Fiuit 

 one-celled, in ours a two-valved pod-shaped capsule. Seeds 

 campylotropous, reniform, without albumen. Embryo curved. 

 Cotyledons foliaceous, Bomewhat incumbent. 



I Jacksonia. Stamens 8-32 : flowers whitish or pinkish : pods elon- 

 gated, dehiscent from the top downward. 



2 (iconic. Stamens 6: flowers yellow or purplish: pods oblong or 

 linear, dehiscent from the base upward. 



