S26 LEGUMINOSJC. (PTILSE FAMILY.) 



led, 24 ; pods half ovate, .01 to .014 long, transversely striate, the in- 

 ner suture straight, the outer convex, both with dentate-eroded wing, 

 .001 to .003 broad — Spring — Lebanon — A species intermediate be- 

 tween Pectinatce and Samaroideae. 



15. iniEDICAOO, L. Medick. 



Calyx short, 5-toothed. Keel obtuse. Stamens diadelphous, free 

 from petals ; filaments not dilated at tip. Pod 1-many-seeded, spirally 

 falcate or coiled, style often spirally incumbent at base on the face of 

 the pod — Herbs with pinnately trefoil leaves, and stipules adnate to 

 petiole. 



* Perennials, Pod flattcTied, falcate or snail-like with pervious centre. 



I M. falcata, 2 sativa^ 3 marina. 



* * Annuals. Pods flattened^ coiled, with closed centre. 

 1 1 Coils meuibranous with acute, entire margin. 

 4 M. scutellata, 5 orbicularis. ^ 



I I Coils nienibranous or thicMsh, with triangular spines, not grooved 



at base. 

 ' 6 M. Blancheana, 7 rotata. 



I I I Coils thickish, margin not spiny, surface transversely or ohliqvsly 



reticulate. 

 8 M. elegans, 9 Shepardi, 10 Noeana. 



1 1 1 1 Coils incumbent, crowded, margin thicJc, unarmed, or armed 

 with tubercles or prickles with on£^root. 



X Pod cylindrical, truncate at base and apex. 



II M. littoralis, 13 tribuloides. 



X X Pod ovate or globular, convex at base and tip. 

 13 M. tuberculata, 14 Gerardi. 



t 1 1 1 1 CoiU loose, incumbent, prickles an^ising from two roots, the 

 posterior root from a nerve concentric to margin. ^ 



X Pod disk-like, flattened. 

 15 M. agrestis, 16 coronata, 17 Galilsea, 18 Granatensi8, 19 denti- 

 culata. 



X X Po^ ovate globida/r. 

 20 M. maculata, 21 minima, 23 laciniata, 23 Aschersoniana, 24 

 ciliaris. 



* * * Annuals. Pod kidney -shaped, 1-seeded, spirally curved at tip. 

 25 M. lupulina. 



1. M. falcata, L. If .8 to .5, appressed-pubescent, erect or as- 

 cending. Stipules ovate-lanceolate-subulate ; leaflets retuse, mucro- 

 nate, oblong-obovate to linear-cuneate. Racemes many-flowered, sub- 

 capitate ; peduncles longer than leaves ; flowers yellowish-white or yel- 

 low, rarely violet ; ^od falcate or loith one coil — Summer — Fields ; Le- 

 banon •, Aintab. Too near the following. 



