CRUCIFER^. (MUSTARD FAMILY.) 69 



* * Galyx nearly equal at hase. Pods tardily dehiscent^ gradually 

 tapering into an acute or ohtme stigma, 



3. M. Africana, L. 0. 30, pubescent, with scattered, single 

 and forked hairs. Leaves oblong, dentate^ or repand-toothed. Flowers 

 0.005 long, white. Pods 4i-a7igled, spreading, scabrous, 0.06 long, 

 0.0015 broad — Spring — Sandy places ; Et-Tih, Dead Sea, and Moab, 

 to Damascus, Aleppo, and northward, and eastward. 



4. M. torulo§a, Desf. 0.25, sparingly pubescent, or hispid, 

 with branching hairs, and bristles. Leaves oblong, acutely dentate or 

 pectinate-pinnatijid. Flowers 0.003 long, white. Pods terete^ hirsute, 

 torulose, 0.03 to 0.04 long, 0.001 broad — March to May — Fields and 

 waste places, throughout, and southward through the Tih, to Egypt. 

 Var. contortuplieata, Boiss., with twisted and coiled pods, occurs 

 with type. 



Var. leiocarpa, Boiss. Pods glabrous. Leaves generally scarcely 

 dentate — Palmyra, Haur^n, and Gaza. 



5. M, Auranitica, Post. 0.10, sparingly glandular-puleru- 

 lent, except lower surface of rachis of leaves, which is villous with 

 Iranching hairs. Leaves linear-lanceolate, runcinate. Raceme few- 

 liowered ; flowers 0.012 long, pinlc ; sepals green, nery sparingly papil- 

 lose^ scarious-margined, obtuse ; lamina of petals obovate-oblong, as 

 long as calyx. Pedicel half as long as calyx. Young pods very spa- 

 ringly papillose-hairy — May — In wheat field, east of Sowarat-es- 

 Saghiri, Hauran. Root-leaves 0.04 long, 0.008 Iroad^ rosetted, 



6. M, Zachlen§i$, Post.0 0.10 to 0.15. Sparingly pubescent or 

 hispid. Stems single, erect. Leaves oblong-linear, pectinate-pinnatijid. 

 Raceme few-flowered ; flowers 0.01 long, piiik ; sepals hispid with 

 branching wavy hairs, acutish, scarious-margined ; lamina of petals 

 obovate-oblong. Pedicels half as long as calyx. Pods .... — April and 

 May — Zahleh. Root-leaves 0.03 to 0.06 long^ 0.005 hroad, rosetted. 



* * * Calyx Usaccate. Pods tardily dehiscent, gradually tapering into 



a style. Septum areolate, rarely fungous, 



t Flowers pinJc. 



7. M. €hia, Lam. 00.10 to 0.20, canescent, with appressed bi- 

 partite hairs, branching. Leaves entire, olovate to oblong, tapering to a 

 petiole. Flowers 0.008 long. Pods 0.05 to 0.06 long, 0.001 broad, 

 nearly erect, puberulent ; style conical — April to June — Rocky places ; 

 Hebron to Phoenicean coast, Lebanon, Antilebanon, Damascus, and 

 northward. 



8. M. crenulata, DC. 0.10 to 0.20, green, scabrous, or 

 glabrescent ; stems numerous, simple. Leaves crenulate-repa7id, lower 

 oblong, tapering to a petiole, upper sessile, clasping, oblong-lanceolate, 

 long-auricled. Flowers 0.015 long. Pods 0.08 to 0.13 long, 0.0035 

 broad, spreading, glabrous or sparingly papillose-hairy ; style bifid — 

 January to May — Deserted fields ; southern Palestine and Moab to 

 Aintab. 



10 



