POLYaONACEiE. (BUCKWHEAT FAMILY.) 703 



margin. Spikes loose, filiform, erect; perigonium pink, glandless; 

 ochreoles densely ciliate — Late summer aud autumn — Ditches ; coast 

 and lower mountains ; Aintab. 



Var. salicifoliuiu, Boiss. Leaves broader and shorter. Cili» 

 of ochrete and ochreoles short. 



4. P. Hydropipcr, L. © Smartweed. Water Pepper. .5 to 

 .8, acrid; stems erect or ascending, branched. Ochreaj short, sltort- 

 ciliate ; leaves oblong-lanceolate to lanceolate, glabrous or scabridulous 

 at nerve. Spikes loose, filiform, pendulous ; perigonium purplish- 

 green; glandular -pjunctate ; ochreoles unarmed — Spring and summer — 

 Ditches ; coast and lower mountains. 



5. P. Persicaria, L. Lady's Thumb. .3 to .8; stems erect 

 or ascending, simple or stifi-branched. Ochreaj ciliate ; leaves ollong- 

 elliptical to lanceolate, sparingly hairy to glabrescent. Spikes peduncled 

 or sessile, oblong- cylindrical, dense, rather erect; perigonium greenish- 

 purple, destitute of glands ; ochreoles ciliate — Spring and summer — 

 Ditches and wet places ; common. 



6. P. lapatliifolium, L. Hummeidah. .3 to. 8; stems erect, 

 branching. Ochrese truncate, sparingly sho'rt-ciliate ; leaves tapering 

 at base, ovate-elliptical to lanceolate, ciliate at margin. Spikes oblong- 

 cylindrical to cylindrical, dense, erect or somewhat nodding; pedicels 

 and greenish-white or reddish perigonium more or less glandular ; ochreoles 

 not ciliate — Summer and autumn — Ditches.; common. 



7. P. Convolvulus, L. Black Bindweed. Stems climbing. 

 Leaves cordate-sagittate. Flowers 3-6, clustered in axils. Outer lobes 

 of perigonium somewhat heeled — May to September — Fields; coast 

 and lower mountains of coast range; Antioch. 



8. P. dumetorum, L. ^ Climbing False Buckwheat. Stems 

 climbing. Leaves cordate-sagittate. Flowers 3-6, clustered in axils. 

 Outer lobes of perigonium me7nl)r.anous-icinged — July to September •— 

 Amanus. 



9. P. polycnemoi<le§, J. et „ ^^^ 



Sp. .2 to .5, glabrous, 2^rostrate, ' '^' 



many-stemmed from lase ; stems 

 slender, Jlaccid. Leaves .005 to .01 

 long, linear to siibnlate. Flowers 1-2 

 in axils, short-pedicelled, forming 

 long, slender, leafy spikes; perigon- 

 ium greenish-white ; akene minutely Tip of flowering biancii of roijgonum 

 dotted — Summer — Gravelly and poiycncmo.dcs. 



sandy places; subalpine Lebanon and Antilebanon, plain of Damascus, 

 and eastward, and northward. 



10. P. Bellardi, All. .3 to .5, glabrous, erect, paniculate. 

 Leaves elliptical to lanceolate, .01 to .04 long. Flowers 2-3 in a cluster, 

 with pedicels as long as 2'>crigonium or longer, forming long, slender, 

 interrup)ted, naled sjnTces ; perigonium green with reddish margins; 

 akene minutely -dotted, somewhat glossy — May to September — Com- 

 mon throughout. 



