62 CRUCIFEK^. (MUSTATID FAMILY.) 



* Perennials. Horns of stigma 0, or very shorty 0.002 m, long. Petals 

 purplish, livid, or dingy -yellow. 



1. M. albicauli§, Boiss. 11 Stellate-velvety. Stem 1 m, to 

 1.20, sulcate, angled. Leaves oblong, entire, acute, 0.10 to 0.15 m. 

 long. Petals dingy-purple. Vo^& glabrous, 0.12 m. long, and 0.006 

 broad ; stigma narrow. Seeds with broad wing — April to May — 

 Moab?, and eastward to Persia. 



2. M. crassifolia, Boiss. et Gaill. 2^ Densely woolly with 

 hrancliing hairs ; base bushy. Leaves oUong, entire, or olsoletely sinuate, 

 obtuse. Fetals jmr^jlish. Pods 0.10 m, long, and 0.004 broad, woolly ; 

 stigma a little narrower than ripe pod — April to June — Rocks ; 

 Phoenician coast, and probably southward. 



Var. pinnatiflda, Post. Lower leaves more or less pinnatifid — 

 Beirut. 



3. M. Damascciia, Boiss. 21 Densely woolly with branching 

 hairs ; stems simple or branched at base. Leaves ovate-oblong, sinuate, 

 or coarsely 2-3-toothed-lobed. Petals dingy-yellow. Pod 0.15 m. long, 

 0.003 broad, woolly ; stigma much narrower than ripe pod — April to 

 June — Antilebanon. Damascus. 



4. M, tri§ti§, L. If Appressed-canescent, much branched, 

 shrubby at base. Leaves linear, entire, or 1-2-dentate-lobed on each 

 side. Flowers sessile ; petals livid, or 'purplish. Fods slender, 0.07 to 

 0.08 m. long, spreading ; stigma with lateral tubercles, or horizontal, 

 acute horns, 0.002 m. long — Early Summer — Pits at quarries ; 

 Beirut ^Blanche). 



5. M. Arabica, Boiss. If Woolly- canescent, 0.75 m. to 1 m. 

 high, many stemmed, rigid, branching from base. All the leaves lanceo- 

 late-linear, entire. Flowers sessile ; petals livid. Pods spreading, 

 pubescent, 0.05 m. long, incurved-twisted ; stigma ovate, somewhat 

 broader than pod — Spring — Ut Tih, and eastern desert. 



* * Annuals. Stigma ^-horned. Pods terete. 

 t Lamina of petals obovate or oblong, pmrpjle or pinlc. 



6. ]?I. liumilis, DC. © Ashy -velvety, 0.10 m. Leaves linear, 

 or lanceolate, dentate, or pinnatifid. Flowers sessile. Pods 0.03 m. to. 

 0.05 long,0. 0015 broad; stigma short, conical, or bigibbous ; horns 

 0.001 m. to 0.002 long, horizontal — Spring — Gaza, and southward to 

 Egypt. 



7. ]fl. tricuspidata, L. © Canescent, low, 0.15 m. to 0.20, 

 diffusely branching from base. Leaves oblong, sinuate-pinnatifid, 

 with rounded lobes. Pods 0.06m. long, 0.002 broad, spreading, woolly; 

 stigma conical, with divergent or horizontal, awl-shaped horns, equal- 

 ling or exceeding it in length — March and April — Sands along coast ; 

 commori. 



Fig. 15 



Pod of M. tricuspidata. 



