PARONYCHIE^. (WHITLOW-WORT FAMILY.) 163 



S. Arabicu§, Boiss. .03 to .1. Leaves linear-terete, mucro- 

 nate ; stipules scarious, very acute. Floral leaves somewhat longer 

 than calyx ; bracts acute, membranous, shorter than calyx ; calyx- 

 teeth straight, convex at back, crisp-woolly — Spring — Sinai, and 

 southward and eastward. 



8. CORRIOIOL.A, L. Corrigiola. 



Calyx persistent, 5-parted into obtuse, margined lobes. Petals 5, 

 perigynous. round, as long as calyx. Stamens 5, inserted on the 

 margin of the small disk. Ovule 1, inserted at apex of basilar funicle, 

 reflexed. Styles 3, very short. Nutlet ovate-triquetrous, included m 

 calyx, deciduous with it — (Ours) annual herbs, with fleshy leaves and 

 scarious stipules. 



C littoralis, L. .3 to .4, glaucescent ; stems filiform. 

 Leaves linear-oblanceolate to linear; stipules semi-sagittate, acuminate. 

 Flowers in head like corymbs, .003 to .004 broad — May to September 



— Sandy places along coast. 



9. SCLERAl^THUS, L. Knawel. 



Calyx-tube urn-shaped, at length indurated, lobes 5, muticous. 

 Petals 5 ; filiform, sometimes abortive. Stamens 5, opposite the calyx- 

 lobes, inserted above the ring at its throat. Ovary free, ovules pen- 

 dulous from apex of basilar funicle. Styles 2, distinct. Utricle in- 

 dehiscent, deciduous with calyx — Low herbs, with awl-shaped leaves. 



S. verticillatus, Tauscli. .1 to .15. Flowers .002 long, 

 in cymose clusters or corymbs in the axils ; calyx-lobes somewhat 

 longer than tube, tapering, acutish, in fruit somewhat open — Summer 



— Dry -places ; Aintab to Aleppo and northward. 



10. HABRO§IA, Fenzl. Habrosia. 



Calyx slightly united below, gibbous at base, the 5 lobes long- 

 aristate. Petals 5, inserted at the throat of the calyx, obovate-spathu- 

 late. Stamens 5, with quadrate-lobed margins, inserted on .the disk 

 of the calyx, lining its tube; filaments very short; anthers twin-globu- 

 lar. Styles 3, free. Utricle indehiscent. Seed globular — Dwarf, 

 annual herbs, with aspect of Alsine. 



H. §pisiuliflora, Sev. © .05 to .15, glabrous ; stem erect, 

 filiform, forked, paniculate, with setaceous branches. Leaves seta- 

 ceous, obtuse frorn a dilated base. Pedicels longer than calyx, at 

 length spreading ; lobes of calyx scarious-margined, ending in an awn 

 as lang as they ; petals white, about half as long as calyx — March to 

 May — Dry hills ; Damascus to Palmyra, Aleppo, Aintab, and east- 

 ward, 



11. PTERANTHUS, Forsk. Ptebanthus. Basiimah. 



Calyx closed, 4-parted into straight, oblong-linear lobes, hooded 

 and tipped with a vertical, scarious-margined, spiny appendage, the ex- 

 ternal much broader, more keeled. Petals 0. Stamens 4, opposite the 

 calyx-lobes, connate at base in a cup ; anthers ovate. Ovule 1, erect, 

 from base of ovary. Stigma bifid. Utricle indehiscent. Seed compresa- 



