LEGUMINOSiE. (PULSE FAMILY.) 267 



crowded, conduplicate. Flowers 1-3, axillary, short peduncled; calyx- 

 teeth one-fifth as long as tube ; pod at length glabresceut, linear, .07 



Fig. 143. 



Pod of A. acinaciferus, 



long, .008 broad, compressed, falcate, marked with longitudinal, wavy 

 nerves, acutely beaked — Spring — Dead Sea to Sinai and Egypt. 



63. A. Sieberi, Fm. 144. 

 DC. If Qucldd. AsaW-el- 

 ^Arus. Khansar-eVAi'us. 

 .2 to .5, stems short, leaf- 



« y, appressed-canesce/ii{. 

 Stipules triangular-taper- 

 ing, hispid; leaflets 20- 

 25 pairs, ovate, obtuse, 



I .003 to .005 long, COndu- Pod of A, Sieberi, 



plicate, glabrous above; appressed-birsute below. Flowers axillary, 

 nearly sessilfe ; calyx-teeth one-quarter as long as glabrescent tube ; 

 pod sparingly appressed-strigulose, oblong-triquetrous, slightly curved, 

 .05 lohg, .008 broad, longitudinally wrinkled, tapering into a stout 

 beak — April — North end of Dead Sea to Sinai and Egypt. • 



64. AH trigoiius, DC. 5 -35, much branched ; branches thorn- 

 ^' y, short intricate ; thorns strong, .02 long, close-set. Stipules triangu- 



. lar, acute, shorlj ; leaflets 6-7 pairs, minute, ovate-orbicular, retase, 

 glabrous above. Flowers 1-2, sessile, axillary, .01 long ; calyx-teeth 

 one-third as long as tube ; pod appressed-canescent, semi-oUong -trique- 

 trous, .015 long, .005 broad, somewhat incurved, tapering to a beak — 

 Spring — South end of Dead Sea to Sinai and Egypt. 

 ' j65. A. leucacaiitlius, Boiss. ^ .5, branches appressed-ca- 

 nescent Spines .05 long'; stipules triangular-acuminate ; leaflets 

 5B pairs, ovate, obtuse, sparingly appressed-hisrute below. Ra- 

 cemes 2-4-flowered, axillary, nearly sessile ; flowers .01 to .013 long ; 

 c^yx-teetk one-fourth as long as tube ; pod appressed-canescent, .015 

 long, semi-oblong-triquetrous, acuminate — Spring — Between Suez and 

 A'yun Musa, and northward. 



66. A. giimmifer, Labill. 5 .3 to. 6, branches intricate, na- 

 ked; twigs woolly, armed with stiff, yellow, .02 to .05 long spines, be- 

 tween the glabrous, yellow, ovate-lanceolate, chartaceous stipules. 

 Leaflets conduplicate, glabrous, 4-6 pairs, elliptical-oblong, acute, mu- 

 *. ticous or mucronulate, shorter than terminal spine. Axils 2-3-flowered, 

 4^ forming ovate or oblong, sometimes loosely spiked heads at base of 

 twigs ; bracts round-ovate, boat-shaped, obliquely truncate, longer 

 than calyx-t^e ; calyx very villous, limb of standard retuse, some- 

 what shorter than claw — Summer — Subalpine and alpine Lebanon 

 and Antilebanon; Akherdagh. 



