LEGUMINOSJE. (PULSE FAMILY.) 217 



1. O, antiquorum, L. 5 SJiibruq. .5 to 1, villous and beset 

 with sessile glands, or glabrescent ; branches slender, zigzag, spines- 

 cent, spines often twin. Leaflets obovate to oblong. Flowers axillary, 

 solitary, loosely racemed ; corolla pink ; pods ovate-elliptical, shorter 

 than calyx ; seeds 1-3, rough-tubercled — Spring and summer — Fields 

 and waste places. 



Var. leiogperma, Post. Seeds smooth — More common than type 

 in Syria and Palestine. (0. leiosperma, Boiss). 



Var. long-ispina, Post. Seeds smooth. Spines. 04 long — Cedars ; 

 Sheb'a (Gilead) ; Aintab. 



Var. §al§oloides, Post. Leaves mostly simple, minute, crowd- 

 ed, imbricated. Spines branching — Beirut. 



2. O. Colutntice, All. Ped. 2^ .3 to .4, unarmed^ glandular- 

 pubescent, shrubby at base, stems ascending. Leaflets obovate-oblong. 

 Flowers axillary, overtopped by floral leaves, and forming dense termi- 

 nal racemes ; corolla yellow ; pods villous, ovate-rhomboid, nearly ai 

 long as calyx ; seeds 3-4, slightly tubercled — Spring — Alpine and sub- 

 alpine Lebanon, Aintab, and northward. 



• 1 1 Pod pendulous, from a spreading or erect, jointed peduncle. 



3. O. adenotriclia, Boiss. Ij! .1 to .3, glandular-pubescent, 

 shrubby at base ; stems ascending, sparingly branched. Leaves pinnate 

 with 3 pau's of leaflets, trefoil, or simple, leaflets obovate, striate. Pe- 

 duncles axillary, 1 -flowered, somewhat longer than petioles, aristate or 

 muticous ; corolla .007 long, yellow, somewhat longer than calyx ; pods 

 oblong, .01 long, hirsute, twice as long as calyx ; seeds 3-4, slightly 

 rough — Summer — Alpine Lebanon and Autilebanon to Aintab, and 

 northward. 



Var. stenopliylla, Boiss. Leaflets cuneate, linear-oblong ; sti- 

 pules dilated — Subalpine l^ebanon ; Aintab. 



4. O. K'atrix, L. % Littein. Lissaiq. .8 to 1, or more, glandular- 

 hirsute, viscid. Leaflets oblong, denticulate. Flowers in terminal, 

 leafy racemes ; peduncles long, 1-flowered, often aristate ; calyx lobes 

 many times as long as tube, linear-lanceolate ; corolla .015 long, twice 

 as long as calyx, yellow, the standard often striped with red ; pods 

 linear, .03 long, .003 broad, loosely hirsute, about twice as long as 

 calyx ; seeds 6-9, tubercled — Spring and summer — Common in 

 waste places. A showy plant. 



Var. tomentosa, Boiss. Woolly-canescent. 



Var. steiiopliylla, Boiss. WesM. Bushy, green or canescent. 

 Leaves and stipules crowded on the short branches, leaflets small, linear. 

 Flowers smaller than in type — Sands of coast — Jebel Husha' (Moab). 



Var. micropliylla, Boiss. Green. Stems .15 to .35, corymbose. 

 Leaflets small, round, obovate, or oblong — Jerusalem. 



Var. macropliylla, Post, Green. Leaflets large, olovate to ob- 

 long, truncate, serrate. Flowers . 03 long — Sarada. 



Var. laxiuscula, Post. Branches loose, spreading, slender. Leaflets 

 linear, obsoletely serrate, Flowers scattered, corolla .01 long ; ped- 

 uncle long-awned — Coast ; Hauran ; Lebanon. 



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