560 CONVOLVULACE^. (CONVOLVULUS FAMILY). 



1. C. hystrix, Vahl. 5 Shilrim. Shibriq. Shuh-uq. 1 to 3, 

 erinaceous, more or less beset with appressed or spreading iiairs, twigs 

 spiny. Leaves small, nearly sessile, truncate-subauricled at base, ob- 

 la?ig, the lower .01 long, the upper scale-like. Flowers sessile, solitary 

 or 2-3 together at base of twigs and in axils, subtended by an involucre 

 of oblong bracts with somewhat recurved tips ; sepals scarious, hirsute, 

 oborate, hooded, mucronate, the inner narrower; corolla hirsute, nar- 

 row, scarcely twice as long as calyx ; ovary glabrous — March and 

 April — Wadi Hebran (Sinai), and westward in Egyptian Desert. 



2. C. lanatus, Vahl. 5 Barhaimeh. Behdmah. .2 to .4; newer 

 branches woolly, older naked. Leaves grey, puberulent, oblong-spath- 

 ulate, .015 to .04 long, tapering to a petiole, the iipper sessile, lanceo-- 

 late. Flowers clustered, sessile, forming interrupted spikes; sepals 

 villous; corolla pinkish- white, silky, ,02 to .03 long, twice to thrice as 

 long as calyx — Spring — Beershaba and southward. A favorite forage 

 for camels and sheep. 



3. C. Doryeniuin, L. If .5 to .8, appressed -hirsute, divari- 

 cately branched, intricate, pauicied. Leaves sessile, the lower oblong- 

 spathulate to elliptical, .02 to .06 long, the upper linear. Cymes 

 terminal, 1-3-flowered, on a long x>^duncle; pedicels with 2, minute 

 bracteoles a little below the flower ; sepals round-obovate, obtuse or 

 retuse, mucronate; corolla .02 long, pink, five times as long as calyx — 

 Summer — 



Var. oxysepalus, Boiss. Sepals narrower, cuspidate — Com- 

 mon, especially in interior plains. 



4. C. liolosericeus, M.B. % .2 to .8, nppressed-silhy, glossy, 

 shrubby at base; stems ascending or procumbent, slender. Lower 

 leaves lanceolate, tapering to a petiole, the others linear-lanceolate to 

 linear, sessile. Flowers nearly solitary in tipper axils, short- or long- 

 peduucled; corolla white, silky outside, ,035 long, 3-4 times as long as 

 calyx — Spring — Dry hillsides; Aintab, and northward. 



5. C Cantabrica, L, 2( ,3 to ,4, hirsute with appressed or 

 spreading hairs or villous; stems slender, decumbent or erect. Leaves 

 green, the lower oblong-spathulate, tapering to a petiole, the upper 

 sessile, oblanceolate to linear Cymes 1-^-Jioicered, long-pjeduncled, ter- 

 minal, forming a loose yanicle; sepals inflated ielow, cuspidate-acuminate ; 

 corolla pink, hirsute along nerves outside, .015 to .02 long, thi'ice as 

 long as calyx —April to June — Dry hillsides; common throughout. 



Var, i/'illo§us, Post, Soft villous — Woods ; Mt. Cassius. 



6. C. Aucheri, Choisy. 21 .6 to .8, woolly-villous, with short ap- 

 pressed, and long spreading hairs; stems stiff, dichotomously and intri- 

 cately Itranched from an indurated root-stock. Lower leaves ovate, in- 

 termediate sessile, ovate-lanceolate, .03 to .04 long, floral oblong-lanceo- 

 late. Cymes 3- (or generally by abortion) 1-flowercd, terminal, forming 

 2i loose, leafy, sj)reading panicle; pedicels a little shorter than calyx; 

 sepals oblong, abruptly cuspidate ; corolla pink, hirsute outside, nar- 

 row, ,02 long, four times as long as calyx — April and May — Amanus 

 to Aintab. 



