Heads and upper 



leaves of 



a. Arabica. 



G. Orientalis. 



verbenaceie. (vervain family.) 

 Fig. 374. 



3. O. Arabica, Jaub. et Sp. 

 5 .o to .5, glaucescent, branches 

 sho7't. Leaves scattered, oblong - 

 spathulate, entire or somewhat o- 

 toothecl at apex. Heads terminal ; 

 involucre leaves ovate, imbricated ; 

 Teceptacle conico-cylindrical, not sti- 

 pitate ; calyx-lobes thrice as long as 

 tube, lanceolate-subulate ; corolla 

 once and a half as long as calyx ; 

 iqyper Up 0, loicer short-tr Holed — 

 Spring — Sinai. Wrongly called by 

 the Arabs IIandar|ilq. 



4, €r. Orientalis, L. ^ .2 to A or more ; stem woody, ascend- 

 ing or diffuse, tortuous ; flowering stems brittle, sparingly leafy, ending 

 in a S2)il'e-Wce raceme, quite loose at base. Radicle leaves fascicled, 

 oblong to obovate-spathulate ; cauline sessile, oblong-lanceolate to 

 linear, acuminate. Heads 5-20, small, .OOato .006 broad, remote, on 

 peduncles vsimlly sliorter than tliey, the upper sessile, crowded ; involucre 

 leaves ovate, short-acuminate ; calyx short-hilaUate, with short-triangu- 

 lar teeth ; corolla about thrice as long as calyx, with nearly eipaal lips, 

 about twice as long as tube, the upper bipartite, the lower trifid — 

 July — Claj-ey soil ; Aintab, and northward. 



Order LXXVIH. YERBENACE^. (Vervain Family). 



Herhs or shntbs, loith ojp'posite leaves, a more or less 

 '■jrlijyj^ed or irregular corolla, didynamous stamens, a 2-4- 

 celled,free ovary, rijpening into a dry drupe consisting of % 

 4, one-seeded pyrenes — Flowers perfect, or polygamous-di- 

 oecious. Calyx persistent, 4:-5-tootlied or parted. Embryo 

 straioflit with inferior radicle. Albumen or very little. 

 ■^ Injlorescence spilled or racemcd, centripetaJ. 



1. EIPPIA, L. Lippia. 



Calyx small, tubular, membranous, 2-4-toothed. Corolla funnel- 

 shaped with cylindrical tube, and oblique, somewhat bilabiate limb, 

 the upper lip entire or 2-lobed, the lower 3-cleft. Stamens inserted 

 on middle of tube, generally included ; anther cells parallel. Ovary 

 with two, 1 -seeded cells, a short style, and obli(|ue or recurved stigma. 

 Fruit small, dry, included, separating into 2 pyrenes — (Ours) herbs 

 wath opposite leaves, and capitate flowers. 



li. nodiilora, L. % Procumbent, green or canescent, rooting 

 at nodes, clothed witli appressed hairs fixed by their centre. Leaves 

 cuneate-spathulate, .01 to .03 long, tapering to a short petiole, entire 

 below, acutely serrate above. Peduncles axillary, solitary, longer than 

 leaves ; head ovate, at length oblong-cylindrical, .01 or more long ; 

 corolla pinkish ; fruit ovate, broader than long — All the year— Sands 

 and moist fields, along and near coast : Jordan Valley. 



