LAUIAT^E. (mint FAMILY.) 



Gil 



by two, thicidsh valves. Seed by abortion 1, embryo large, destitute 

 of testa, germinating within its pericarp, cotyledons large, folded 

 lengthwise, radicle inferior, the plumule enlarged before the fruit falls 

 — Perennial trees, wdth opposite, leathery leaves. 



A. officinalis, L. 5 5 ShawYcJi. Leaves oblong to elliptical or 

 obovate, entire, tapering into a short petiole, green at upper surface, 

 snowy white at lower. Cymes capitate, dense, three or less together 

 at the upper axils and tips of branches, short-peduncled ; flowers ses- 

 sile, each with a bract, and two, ovate bracteoles, which ^re silky at 

 outer face and shorter than calyx ; corolla-lobes half-exserted, ovate, 

 ascending, •glabrous at upper surface silky at low^er ; stigmas nearly 

 sessile —Arabia Petrsea to Egyptian Desert. 



Ordeh LXXIX. L,AM1ATJ^. (Mint Family.) 

 lierljs or sJvnibs, loith ^.-angled sterns^ opjyosUe orioJiorl- 

 <id^ aromatic learns^ more or less ^-Upjoed^ perfect floweis^ 

 didynamoics or diandroxis stamens^ a deejyly Globed ovary ^ 

 forming in fruit 4, seedlike, 1-seeded Qiiitlets surrounding 

 the lase of the single %loljed style, at the hottom of the per- 

 sistent calijx — Anthers 2-1-celled; filaments inserted on cor- 

 olla-tube. JSTutlets smooth or slightly ronghish, inserted by 

 base (except in Ajuga and Teucrinm). Albumen almost 0, 

 Embryo straight (except in Scutellaria). Flowers axillar}^, 

 chiefly in cymose clusters, these often aggregated in terminal 

 heads, spikes, or racemes. Foliage usually dotted with glands 

 containing a volatile, aromatic oil. 



Fig. 276. 



h a d e f l 'j 



Fig. ii76. («) Lateral view of calyx anil corolla of i«//ia/?« ampZf.r(Cflj</c, showing the 

 oblique calyx, hairy, hooded upper lip, and trilohcd lower lip, of corolla, yli) Front view of 

 the same, showing the didynamous stamens inserted on the tube, (c) Calyx and corolla of a 

 species of Scutellaria, (d) Longitudinal section ot calyx, showing the 4-lobcd ovary and the 

 style ascending from the middle, (e) Transverse section of one of its akenes. (/) Longitu- 

 dinal section of the same, (g) Stamen of a Salvia, showing the cells of the anther, one fertile 

 and the other sterile, at the ends of a connective astride the filament. (A) Bilabiate calyx 

 and corolla of a Salvia, (i) Flower of a Teucrium, showing the campanulatfe calyx, and cor- 

 olla with 5-lobed lower lip, and exscrted longer pair of stamens. (/ ) Anthers of same. 



