CRUCIPER^. (MUSTARD FAMILY.) 



85 



Leaves obovate or oblong. Petals oblong-spathulate entire. Pedicels 

 recurved ; silicles twice as large as those of A. montanum^ strigidose, 

 ovate ; style nearly as long as pod ; seeds wingless — Spring — Har- 

 mon (Tristram), Mount Akdagh, northern Syria, and northward. 



I I Petals little if any longer than calyx. 

 § Silicles glabrous. 



16. A. niiiiimuin, Willd. .1 to. 15, canescent-scurfy, dwarf, 

 branching from base. Leaves oblong-linear. Petals linear, retuse. 

 Fruiting raceme elongated, dense ; pedicels erect ; silicles orbicular, 

 .0025 long retuse ; style one-sixth to one-fourth as long as pod ; seeds 

 narrowly margined — Spring — Fields ; Aleppo and northward. 



§ § Silicles scabrous with stellate h^irs. 



IT. A. umbellatuin, Desv. .03 to .05, scabrous branching 

 at base, prostrate or ascending, branches nearly simple. Leaves linear, 

 or linear-oblong. Petals o'etuse. Fruiting racemes .01 to .02 long, 

 contracted, urabel-lilce or conical ; silicles imbricated, ovate, .004 long ; 



style short ; seeds narrowly margined 

 El Kufr, Hauran. Northern Syria. 



April and May — Roadside 



18. A. Szo\ritsianuin, F. etM. .03 to .1, appressed-canes- 

 cent with stellate hairs, branching from base, branches simple. Leaves 

 obovate to linear-oblong. Petals pale, narrowly linecw-cuneate, entire. 

 Fruiting racemes .015 to .05 long, cylindrical ; silicles densely imbrica- 

 ted, ovate, .003 to .004 long ; style short, seeds narrowly margined — 

 April to June — Mountains of Hauran, Antilebanon, Lebanon, Cassius, 

 to Aleppo, Aintab, and northward. 



19. A. strictiim, Willd. .1 to .3, gTeenish-canescent, bran- 

 ching from base, branches simple. Leaves broadly oblong-linear, obtuse. 

 Petals oblong-oblanceolate, entire. Fruiting racemes .06 to .09 long, 

 cylindrical ; silicles loosely imbricated, elUijiical, sparingly hirsute ; 

 style short, conical ; seeds narrowly margined — Spring — Waste fields, 

 Ba'albek, Mar 'ash, and northward. 



Fig. 31. 



20. A. campestre, L. .1 to .25, ashy or 

 yellowish ; stems usually numerous, branching from 

 base and above. Leaves oblong-oblanceolate to oblong. 

 Petals bifid. Fruiting racemes .03 to .07 long ; pedi- 

 cels spreading ; silicles orbicular, .003 to .005 long ; 

 style one-fourth to one-sixth as long as pod ; seeds nar- 

 rowly margined — Spring — Fields ; everywhere. 



Var. g^enuinum, Boiss. Rays of stellate haijs 

 of pod short. 



Var. pilosum, Post. Rays of stellate hairs of 

 pod long. 



Var. hirsntum, Post. Stellate hairs of pod in- 

 termixed, with simple or doid)le hairs arising from a tuber- pruitinii raceme 

 cle. {A. hirsutum, M. B.) of Aiyssum 



campestre, 

 14 



