SILKNE^. (pink family.) 127 



of stem. Heads of flowers .03 to .04 broad ; flowers .01 broad ; scales 

 oblong, one-third as long as calyx-tube, tapering abruptly into awns 

 one-third to one-half their length; calyx-teeth lanceolate, acuminate- 

 limb, hrick-red, obovate-cuneate, dentate — Summer — Rocky places 

 about Antioch and northward. 



3. TUNICA, Scop. Tunica. 



Calyx scaly at base or naked, top-shaped or tubular, 5-toothed, 

 5-15-nbbed, the commissures membranous. Petals 5, with elongated 

 claw, and entire, retuse, or bifid limb, destitute of crown. Stamens 

 10. Torus small. Capsule oblong, many-seeded, 4-toothed. Seeds 

 shield-shaped with nearly central umbilicus. Embryo eccentric — 

 Slender, rigid, small-flowered herbs, with grass-like leaves. 



* Calyx scarious, at length inflated, scaly at base. 



1, T. Telutina, Guss. .3 to .5, more or less velvety; stems 

 erect, simple. Slieaths of leaves elongated margins not scabrous; leaves 

 and scales of involucre mucronulate, with or without dots. Limb 

 small, scarcely exserted, bifid, pink ; seeds boat-shaped, tubercled — 

 March and April — Coast and coast range to 800 m. Too near T. 

 prolifera, L. 



* * Calyx involucrate, obconical, not scaly at base, 5-15-ne7'ved. 



T. Syriaca, Boiss. (D .15 to .35, glabrous, green, many-stem- 

 med, shrubby at base ; stems filiform, rigid, nearly simple, 1 -flowered. 

 Leaves scabridulous, linear, acute, those of stem short, stiff. Bracts 

 of involucre nearly as long as calyx, linear-lanceolate, acute, with a 

 thicTc red nerve ; calyx .008 long, teeth obtuse with a stout nerve ; limb 

 pink, linear, entire — June — Kocks near Antioch. Pobably a variety 

 of T. saxifraga, L., which Tristram claims to have found in and about 

 Lebanon. 



* * * Calyx obeo7iical, not involucrate or scaly at base, ^-ribbed, 

 membranous between the ribs, rWs d-n£rved. 



3. T. pachygona, F. et M. .3 to .4, glan dular- viscid ; stem 

 erect, dichotomous-paniculate. Leaves 8-nerved, linear-awl-shaped. 

 Peduncles stiff, as long as or longer than the .007 long, obconical, 

 glabrous calyx ; calyx-teeth ovate, mucronate with an excurrent mid- 

 rib ; petals white, sometimes reddish beneath, linear-spathulate, entii'e, 

 somewhat exserted during the maturing of the fruit — April to June — 

 Lebanon and Antilebanon to Aleppo, Aintab, and northward and east- 

 ward. 



Var. scabrida, Post. Calyx scabrous, especially along nerves ; 

 teeth rather shorter — Arabia Petraea to El-Ghor, Moab, and Coelesyria. 

 {T. Arabica, Boiss). 



4. ACANTHOPK[YIiL.UM, C. A. Mey. Acanthophyllum. 



Calyx tubular or turbinate. 5-toothed, 5-15-nerved. Petals 5, with 

 long, bilamellate claw, tapering gradually into limb. Stamens 10, with 

 exserted anthers, the 5-opposite the petals somewhat shorter. Gynophore 

 short. Ovary 1-celled, 4-10-ovuled, with hemispherical or short cylin- 



