CRUCIFER^. (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 ^-angled. 



7, E. cra§sipes, C. A. M. If .3 to .6 canescent ; stems 

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

 yellow^ .008 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. hamosum, Blanche {In herlario). 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 .03 long, .0015 broad, or thick short pedicels, 

 terete or somewhat flattened, recwved^ lioolc-sTiaped, with a thread-lihe 

 style, .005 long ; stigma obscurely bifid — May — Jebel-el-Abiadh, 

 between Hamath and Palmyra. 



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

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

 runcinate-piiinatijid, upper dentate^ or entire. Flowers piuMsh-purple, 

 .01 to .013 long, short pedicelled. Pods .05 long, .001 broad, 

 spreading, on short, thick pedicels ; style .003 long, tapering ; stigma 

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

 and Antilebanon, 



19. BRAS8ICA, L. 



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

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

 veins — Herbs or shrubs with yellow flowers. 



* Pods terete^ cylindrical, or llnear-Jiattened. Beah seedless, 



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

 or taller, sparingly hairy. Leaves petiolate ; the lower lyrate, or den- 

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

 Pods more or less apijressed, .01 to .03 long, .0015 to .003 broad, 

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

 Roadsides and waste places ; everywhere. 



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

 lower lyrate, with 1-3 small, lateral segments, terminal large, oblong, 

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

 times leafy. Pods .03 long, .003 broad ; beak .004 long — Spring 

 — Moab {Tristram). 



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

 more or less scabrous, lyrate ; upper acuminate, cordate-clasping at 

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

 .0015 to .003 broad ; beak .008 to .01 long — Spring — Fields ; 

 common ; often escaped from cultivation. 



