652 LABIATE. (MINT FAMILY.) 



calyx; calyx .007 long in flower, .012 in fruit; corolla scarcely longer 

 than calyx — May and June — Northern Syria, and northward. Proba- 

 bly only a variety of the last. 



22. L.AIWIUM, L. Dead-Nettle. 



Calyx tubular or campanulate, 5-toothed, with equal or oblique 

 mouth Corolla-tube usually exserted, naked or hairy within, limb 

 bilabiate, the upper lip arched or helmet-shaped, entire, retuse, or 

 bifid ; the throat dilated ; the lateral lobes of the lower lip truncate or 

 angled, sometimes appendaged, the median somewhat stipitate, notch- 

 ed or bilobed or entire. Stamens 4, parallel under the upper lip, 

 anthers diverging. Style equally bifid. Nutlets acutely triquetrous, 

 truncate at tip — Annual or perennial herbs. 



* Corolla-tube destitute ofliairy ring witJiin. Anthers hirsute. 

 t Perennials. 



1. L<. strlatiiHi, S. et S. 2f .2 to .3, 2)ulesce?it; stems ascending, 

 simple. Leaves cordate-ovate to triangular-ovate, .01 to .04 long, 

 obtuse, crenate, the lower long-petioled, the upper short-petioled, longer 

 than calyx. Whorls 6-8-flowered, the lower distant; calyx hairy, .008 

 long in flower, with lanceolate-subulate teeth, more than half as long as 

 tube; corolla .025 to .035 long, pink, striped — April to September — 

 Subalpine Lebanon and Antilebanon, 



Var. mmiii, Boiss. Stems more decumbent. Whorls and flowers 

 fewer. Calyx-teeth often short-subulate — Middle to subalpine and 

 alpine Lebanon, Antilebanon, Amanus, and Akher Dagh; Gilead. 



Var. reniforme, Boiss. Stems decumbent. Whorls few-flower- 

 ed. Leaves glabrous, or puberulent, ovate-reniform, subcordate .or 

 truncate at base — Antilebanon; Plain of Damascus; CQ3lesyria. 



2. Ju, veronicaefoliiim, Boiss. 21 .0^ to .Oo, glahwis ; stems 

 from a long, corky, sulterranean root-stock, h'itile. Leaves all similar, 

 long-petioled, rouncl-reniform to cordate, .004 to .01 broad, obtusely 

 crenate, the floral longer than calyces. Whorl 1, terminal, 2-3-flower- 

 ed; bracts linear-lanceolate, as long as calyx-tube; calyx .008 long, 

 teeth triangular, one-third as long as tube ; corolla pink, ptir2yle-spotted, 

 hood hirsute, trunca^te, retuse, or obsoletely 3-4-denticulate — Sum- 

 mer — Alpine summits of Sunnln and Makmal. 



t t Annuals. Leaves of tim forms. 



3. \a. amplexicawie, L. © (Fig. 276, a, I). .1 to .4, pubes- 

 cent or puberulent, branching from neck. Leaves unequally crenate, 

 the lower petioled, round-ovate to ovate, usually cordate at base, the flo- 

 ral sessile, reniform, clasping, lobed, longer than whorls. Whorls 1-4, 

 separate ; bracts ; calyx villous, teeth lanceolate-subulate, somewhat 

 shorter than tube ; corolla about thrice as long as calyx, purple ; akenes 

 smooth — January to June — Fields ; common to subalpine regions. 



Var. Aleppicum, Boiss. (Supplem. Fl. Or. p. 362.). Leaves 

 ovate to ovate-oblong ; calyx-teeth more hirsute ; seeds white-tubercled, 

 mottled — Common with type. 



4. Lr. Ehreubergrii, Boiss. et Reut. .02 to .05, pu- 

 berulent. Leaves minute, the lower ovate, entire or crenulate ; the flo- 



