138 SILENELE. (PrSK FAMILY.) 



cylindrical, with umbilicate base, in fruit club-shaped, teeth lanceolate, 

 ciliate; limb white, greenish-purple below, cuneate, bifid ; capsule ovate, 

 a little longer than carpophore — Summer — An imperfect specimen, ap- 

 parently of this species, was found by the writer in the sands at Latta- 

 kia, in June, 18S4. 



15. S. liirsuta, Lag. .3 to .4, hirsute,^ especially above ; 

 stems sparingly divaricate from base. Leaves linear-lanceolate, to 

 subulate. Racemes .3 to .3 long ; lower flowers peduncled, upper 

 sessile ; calyx viscid-eillous, cylindrical, in fruit club-shaped, with 

 oreen nei-ves and oblong, obtuse, ciliate teeth ; limb whitish, oblong- 

 cuneate, bifid into oblong lobes ; capsule oblong, a little longer than 

 carpophore — April — Mountains of Moab. {S. hispida, Desf, in Tris- 

 tram's Fauna and Flora of Palestine is probably this species, which is 

 distinguished from S. hispida, among other things, by the absence 

 of alar flowers). 



16. S. villosa, Forsk. Nimwdr. AHdni. Dhwiabah. .1 to .15, 

 papillose-viscid ; stems numerous, procumbent, leafy. Leaves fleshy, 

 spathulate, rather obtuse. Flowers irregulary cymose, or all loosely 

 racemed ; peduncles shorter than .01 to .02 long, cylindrical calyx, 

 reflexed in fruit ; calyx in fruit cylindrical-club-shaped, umbilicate at 

 base, teeth ovate, obtuse ; claws long exserted; limb white, deeply 

 2-parted, with obovate lobes ; capsule oblong, somewhat longer than 

 carpophore — Spring — Debbet-er-Ramleh, and southward to Sinai 

 and Egypt. 



17. S. Arabica, .1 to .3, loose-hairy, glandular-viscid ; 

 stems erect, slender, nearly simple. Leaves oblong to linear ; bracts 

 linear, short, unequal. Racemes loose ; peduncles as long as calyx, 

 reflexed in fruit ; calyx whitish, green-nerved, cylindrical, in fniit 

 oblong, .01 long, teeth triangular, obtuse, ciliate ; claw exserted ; limb 

 bipartite ; capsule ovate — Spring — Sands ; Sinai. 



18. S. setacea, Viv. © .1 to .25, appressed-puberulent ; 

 stems erect, rigid, simple or dichotomous from base. Leaves plicate, 

 linear-siibulate, acutish ; hracts oblo7ig-linear, short, nearly equal. Ped- 

 uncles short ; calyx appressed pubescent, with pale green nerves, cylin- 

 drical, in fruit club-shaped, teeth lanceolate, acutish ; claws somewhat 

 exserted ; limb white, parted to base into linear lobes ; capsule ovate 

 — Spring — Around the Dead Sea, and southward to Egypt. 



19. S. Daina§cena, Eoiss. et Gaill. .3, viscid-pubescent ; 

 stem erect, dichotomously branched. Leaves oblong obtuse, to linear- 

 lanceolate acutish. Lower peduncles longer than calyx, upper very 

 short ; bracts unequal ; calyx sparingly glandular, reddish, red-nerved, 

 taperiug-cylindrical, in fruit club-shaped, teeth oblong, obtuse ; limb 

 uhitish, hifid to middle ; capsule oblong, once to twice as long as carpo- 

 phore — Spring — Middle Lebanon and Antilebanon ; Beirut ; Naba- 

 tiyeh ; Jerusalem (Includes S. siderophila, Boiss. et Gaill., and may 

 better be referred to the following). 



20. S. Pala^istilia, Boiss. .3 to .4, sparingly hispid-viscid ; 

 stem erect, simple or dichotomous below. Leaves oblong-linear to 



