CRUCIFERiE. (MUSTARD FAMILY.) 63 



§. M, bicornis, Sibth. et Sm. 0O.4Ora. Ashy-jntherulent, bran- 

 ching. Leaves oblong-lanceolate, pinnatifid, the upper Unea7\ entire. 

 Pods 0.06 m. long, 0.001 broad ; stigma Dcry short, obtuse, with hori- 

 zontal or incurved horns, 4 or 5 times as long as diameter of pod — April 

 and May — Fields ; Aintab and northward. 



9. in. aspera, Boiss. © Rough with branching hairs, greenish. 

 Stem low. Leaves oblong-lanceolate, obtuse, obsoletely rep)and. Pods 

 rigid, spreading; stigma conical, more or less elongated, with erect or 

 divergent, awl-shaped horns, twice as long as diameter of pod — Spring 



— Desert of Judaea. 



tt Laniiifm of petals linear-lanceolate.^ livid, tmvy-margined. 



10. M. oxyceras, DC. Qurainah. Canescent, glandular. 

 Leaves oblong-lanceolate, sinuate, &r pinnatifid. Pods 0.07 m. long, 

 0.001 broad, terete, torulose ; horns of prominent stigma acute, awl- 

 shaped, 4-6 times as long as diameter of pod, horizontal or deflexed — 

 March to May — Waste places ; Palmyra to Coelesyria, Moab, southern 

 Palestine, and southward. 



Var. lunata, Boiss. Stigma short, obtuse ; horns horizontal, or 

 incurved — Lower Jordan valley. 



Var. forcipifera, Boiss. Stigma short ; horns short, broad at 

 base, incurved, with introflexed tips, often contiguous — Aleppo. 



- Var. brevicornis, Post. Jerla'-. Pods often contorted. Stigma 

 more or less prominent ; horns horizontal or deflexed, once or tioice as 

 long as diameter of pod — Same range as type. (if. livida Del,) 



2. CHEIRAMTHUS, D.C. Hand-Flower. 



Calyx erect, saccate at base. Petals clawed, yellow. Pods 4-angled, 

 flattened ; valves 1-nerved ; lobes of stigma divergent — Perennials, 

 shrubby at base, canescent with bipartite hairs. 



C. Clieiri, L. 11 Wall-flower. Leaves lanceolate-linear, entire, 

 or somewhat dentate. Flowers 0.02 m. long, deep-yellow, fragrant 



— Spring — Antioch. 



3. I^ASTURTIUM, R. Br. Water-Cress. Jerjdr, 



Sepals equal, spreading. Petals entire, clawed. Pods generally 

 turgid, more or less flattened, valves nerveless, or obsoletely 1-nerved; 

 stigma nearly simple. Seeds in 2 rows, minute — Glabrous, or spar- 

 ingly hairy, perennial herbs. 



* Flowers white. Glands 4, p)lacental. 



1. N. officinale, L. 2J! Common Water-Cress. i^esM^Z. Qiirrah. 

 Leaves pinnate, 3-7 pairs ; leaflets repand-elliptical, terminal round- 

 ovate, cordate at base. Pods oUong-Unear, 0.015 to 0.02 m. long, and 

 0.002 m. broad, longer than nearly horizontal pedicels, often incurved; 

 seeds pitted — March to July — Wet places ; common. 



* * Floicers yelloio. Placental glands 4, valvular 2. 



2. N. sylvestre, L. 71 Leaves pinnatisect or pinnatifid, with 

 Uong, or lanceolate, entire, dentate, or pinnatifid segments ; upper 



