LEGUMINOSiE. (PULSE FAMILY.) 



267 



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

 teeth one-fifth as long as tube ; pod at length glabrescent, 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, Fig. 144. 

 DC. 21 Quddd. AsaW-el- 

 ^Arus. Khansar-eVArus. 

 .2 to .5, stems short, leaf- 

 y, appressed-c«?iescd?ii. 

 Stipules triangular-taper- 

 ing, hispid; leaflets 20- 

 25 pairs, ovate, obtuse, 

 .003 to .005 long, condu- Pod of A, Sieberi, 



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

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

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

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

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



64. A. trig^onus, DC. 5 -25, much branched ; branches thorn- 

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

 lar, acute, short ; 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-cancscent, semi-oUong -trique- 

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

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



65. A. leucacantlius, Boiss. 5 -^^ branches appressed-ca- 

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

 5-6 pairs, ovate, obtuse, sparingly appressed-hisrute below. Ra- 

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

 calyx-teeth 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. guimnifcr, Labill. 5 -^ to.^, 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 condupUcate, glabrous, 4-6 pairs, elliptical-oblong, acute, mu- 

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

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

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

 than calyx-tube ; calyx very villous, limb of standard retuse, some- 

 \That shorter than claw — Summer — Subalpine and alpine Lebanon 

 and Antilebanon; Akherdagh. 



