66 CRUCIFERiE. (MUSTARD FAMILY.) 



ovate, clasping, sparingly toothed. Petals white, showy, 0.015 long. 

 Pods 0.04 long, 0.0014 broad, torulose, erect, or somewhat spreading. 

 — April to September — Rocks ; alpine and subalf)ine Lebanon, and 

 Antilebanon, and northward. 



Var. uiiibro§a, Boiss. Green, slender^ zigzag. Stem-leaves oblong ^ 

 or ohlong-lanceolate — Shady places. 



Var. tliyrsoidea, Boiss. Green, low, 0.05 to 0.10. Leaves small, 

 obovate, few-toothed. Racemes dense. Pods 0.025 long — Dhohr- 

 el-Qodhib. 



Var. brerifolia, Boiss. Felty-canescent. Stems tujted, brittle. 

 Leaves small, few-toothed — Exposed places. 



Var. Billardieri, Boiss. Woolly-canescent. Stems more loose- 

 ly tufted than in last. Leaves smaller, entire, or 1-2-toothed at base. 

 Pods 0.02 to 0.05 long — Shady places. 



* * Seeds broadly winged. Biennials. 



9. A. turrita, L. (f) Puberulent, with branching hairs. Stem 

 0.50 erect, nearly simple. Root-leaves 0.10 m. long, elliptical, tapering 

 into a petiole ; stem-leaves oblong, obtusely cordate-clasping ; all 

 denticulate. Pods (Fig. 14, c.) 0.12 long, 0.002 broad, recurved, on 

 erect, very short pedicels — May to August — Woods ; Amanus. 



L. Bitter-Crebs. 



Calyx equal at base, upright, or spreading. Petals clawed. Pod& 

 linear, flattened ; nerves 0. Stigma simple — Annual, or perennial 

 herbs, with pinnate leaves, and white flowers. 



1. C, ]iir§uta, L. © Small Bitter Cress. Leaflets 2-4 pairs. 

 Flowers 0.003 long, mncTi oDertopx>ed by young i^ods. Pods 0.02 long, 

 0.001 broad, erect — February to May — Fields and shady places ; 

 common. 



2. C. uliginosa, MB. % Leaflets 2-7 pairs. Flowers 0.006 

 long, o-Qertoi^ying the young ijods. Pods 0.03 long, 0.001 broad, some- 

 what spreading — May to August — Wet places ; Lebanon, and 

 northward. 



8. MORETTIA, DC. 



Calyx erect, equal at base. Petals oblong linear, entire, pink. 

 Pods short, terete ; stigma thickened at base, bifid. Valves with small 

 partitions on their inner surface — Perennial, branching, prostrate, or 

 ascending, stellate-canescent, desert herbs, 



M. canescens, Boiss. % Rahhmi. Leaves short-petioled, 

 ovate-oblong, entire, or obsoletely toothed, 0.01 to 0.015 long, Poda 

 0.01 long, nearly erect — February to May — East of Gilead to 

 El-'Arabah, and Et-Tih, and southward. 



9. AlVDREOSKIA, Reichenb. 



Calyx erect, nearly equal at base. Petals small, oblong, white. 

 Pods linear, indehiscent, flattened, valves ending in divergent horns, 



