CHUCIFERiE. (MUSTARD FAMILY.) 75 



Var. minus, Boiss. .15 to .3. Root-leaves dentate, stem- 

 leaves entire, or obscurely denticulate — Lebanon and Antilebanon. 



^ ^ ^ Perennials. Flowers yellow or purple. Pods 4:-angled. 



7. E. crassipes, C. A. M. If .3 to .6 canescent ; stems 

 numerous, slender, rigid. Leaves narrowly linear, entire. Flowers 

 'l/elloio, .1)08 long, nearly sessile. Pods .05 long, ,001 broad, spread- 

 ing, rigid, on short, thick-pedicels ; style less than ,001 long, 

 cylindrical ; stigma retuse — March to June — Stony places in moun- 

 tains, throughout, 



8. E, bamosum, Blanche {Iji herdario). If .4 to .6, 

 canescent, scabrous with bipartite hairs. Stems erect, simple or slight- 

 ly branched above. Root-leaves narrowly linear. Stem-leaves some- 

 what broader, all entire. Flowers .008 long, pale yellow?, nearly 

 sessile. Pods .015 to .02 long, .0015 broad, or thick short pedicels, 

 terete or somewhat flattened, recurved, Jiook-shaped, with a thread-like 

 style, .0{}5 long; stigma obscurely bifid — May — Jebel-el-Abiadh, 

 between Hamath and Palmyra. 



9. E. piirpureuni, Auch. If .25, canescent ; trunk procum- 

 hent, shrubby ; stems herbaceous, ascending. Leaves linear, lower 

 runcinate-pinnatifid, upper dentate, or entire. Flowers 2^inMsJir-2)ur2:)le, 

 .01 to .012 long, short pedicelled. Pods .05 long, .001 broad, 

 spreading, on short, thick pedicels; style .002 long, tajjering ; stigma 

 Hlobed — April to June — Middle and subalpine zones of Lebanon, 

 and Antilebanon. 



Calyx equal at base. Petals clawed. Pod linear-cylindrical, terete, 

 or somewhat flattened, or 4-sided; valves 1-nerved, wdth anastomosing 

 veins — Herbs or shrubs with yellow flowers. 



* Pods terete, cylindrical, or linear-fiattened. Beak seedless, 



1. B. nigra, L. Black Mustard. Khardal Asicad. .6 to 1, 

 or taller, sparingly liairy. Leaves petiolate ; the lower lyrate, or deu- 

 tate-lobed, or serrate ; the upper lanceolate, entire. Racemes naked. 

 Pods more or less apxDressed, .01 to .02 long, .0015 to .002 broad, 

 terete, nearly 4-angled. Seeds Uackish, pitted — April to June — 

 Roadsides and waste places ; everywhere. 



2. B. bracteolata, F. et M. Glabrous. Leaves petioled ; 

 lower lyrate, with 1-2 small, lateral segments, terminal large, oblong, 

 irregularly lobed at base ; upper oblong-linear, entire. Racemes some- 

 times leafy. Pods .02 long, .002 broad ; beak .004 long — Spring 

 — Moab (^Tristram). 



3. B, rapa, L. (D Turnip. Lift. Suljum. .6, green. Root-leaves 

 more or less scabrous, lyrate ; uj^per acuminate, cordate-clasping at 

 base. Racemes clustered before flowering. Pods .02 to .03 long, 

 .0015 to .002 broad ; beak .008 to .01 long — Spring ~ Fields ; 

 common ; often escaped from cultivation. 



