64 CRUCIPER^. (MUSTARD FAMILY.) 



linear-lanceolate, entire or sparingly dentate segments. Fruiting 

 racemes .8 to .25 long, straight; pods oblong-linear, .005 long, about 

 half as long as pedicel and twice to thrice as long as apiculate style; 

 valves l-nerved — Summer — Near Elmalu (Northern Syria). 



4. ]V. coronopifoliuin, D. C. 2^ Stem nearly naked, ascend- 

 ing. Leaves 2^innatifid-de?itate, (resembling those of Plantago Corono- 

 i^us) 2)uiescent. Pods linear, incurved, as long as pedicel — Spring — 

 Southern end of Dead Sea. 



5. IV. macrocarpum, Boiss. If Radical leaves long-petioled, 

 oblong, entire, toothed, or lyrate-pinnatifid ; stem-leaves auricled> 

 divided into long, narrow, linear, entire lobes. Fruiting raceme zigzag ; 

 pods linear, .05 m. long, .001 broad, four or fi'ce times as long as the 

 erect-spreading pedicel, tapering at point — April to June — Lebanon 

 and Antilebauon ; rare. 



4. XASTUKTIOPSIS, Boiss. Jureijir. 



Calyx equal at base. Petals clawed, entire. Placental glands 3, 

 elongated ; valvular, 2, semiannular. Stigma simple. Pods oblong, tur- 

 gid ; seeds in 1 or 2 rows ; cotyledons incumbent — Annuals with yel- 

 low flowers, resembling Nasturtium, 



Bf. Arabica, Boiss. © Sparingly pubescent, Fig. 16. 



green. Leaves oblong, dentate, or pectinate-pinnati- j^ || 



fid. Pods .012 m. long, .0015 broad, incurved, as 

 long as slender pedicels — March — Iiit-Tih and 

 southward. Pod of n, Arabica. 



5. BARBAR£A, R. Br. Winteh-Cress. Yellow-Rocket. 



Calyx equal at base. Petals clawed, entire. Pod oblong or linear ; 

 valves keeled or ribbed; stigma somewhat retuse. ■ Seeds elliptical — 

 Biennial, or perennial, glabrous herbs, with yellow flowers. 



1. B. plaiitaginea, D. C. @ If Lower leaves ovate-oblong, 



petiolate, or sublyrate, lateral Wbes usually minute, tootli-Wke ; upper 

 leaves short-auricled at base, oUong, dentate. Flowering racemes dense; 

 pods. 03 m. or more long, erect-spreading, curved, with a rather long, 

 slender style — May to July — Subalpine Lebanon and Antilebanon to 

 Aintab, Marash, and northward. 



2. B. minor, Koch. 2f Rhizome horizontal. Root- 

 leaves long-petioled, small, ovate-oblong, entire, or obsolete- 

 ly repand, or sublyrate; stem-leaves iong-auricled at base, 

 incised-pinnatifid or lyrate^ the uppermost undivided, incised- 

 dentate. Pods .02 m. long, .002 broad, horizontal; style 

 apiculate — May and June — Wet places; subalpine regions 

 of Lebanon, Antilebanon, and northward. 



6. ARABI§, L. Rock-Ckess. 



Calyx erect, base equal or bisaccate. Petals clawed. 

 Stigma undivided or retuse. Pod sessile, elongated, linear; 

 valves flattened or convex, l-nerved. Seeds in one row, rare- 

 ly in 2 — Herbs with white, pinkish-purple, rarely yellow 

 flowers, and undivided leaves. 



