Order 89.— LABIATE. 541 



ll Calyx Up* entire, upper with an appendage on the back Scttellap.i a. 29 



k Calyx 8-lobed. Anthers all distinct. Flowers purpio Streaked Macbridka, 30 



k Calyx 4-lohed. Anthers, the highest pair connate Synandra. 81 



m Corolla tube inflated in the midst, whitish. Lips small Putbosteoia. 32 



m Corolla tube inflated at the throat, purple. Lower lip long... LABIUM. 83 



m Corolla inflated in the broad, concave upper lip, purple or yellow Phlomis. 34 



m Corolla not inflated, short.— Calyx salver-form, 10-ribbed Ballota. 35 



— Calyx broad-bell-lbrui, netted Moi.luci;lla 28 



n Anthers opening transversely, ciliate fringed. Lvs. notched Galeopkis. 87 



n Anthers opening lengthwise. — Achenia rounded at the top Stachts. 38 



— Achenia truncate, 8-anglcd at top Leonurus. 39 



O Corolla white, upper lip flattish. Style equally bifid Marrubium. 40 



O Corolla white, upper lip concave. Style unequally bifid Leucas. 41 



O Corolla scarlet, exserted. Calyx upper tooth longest Lko.notis. 42 



i. OCIMUM, L. Sweet Basil. (Gr. o^w, to smell ; the plants are 

 strongly aromatic.) Upper lip of calyx orbicular, lower 4-fid ; corolla 

 resupinate, one lip 4-cleft, the other undivided ; stamens 4, declined, 

 the lower pair longer, the upper often with a process at their base. — 

 Verticals 6-flowered, in*terminal, interrupted racemes. 



O. basilictini L. Lvs. smooth, ovato oblong, subtlentato, petiolatc ; cal. cili- 

 ate. — 3) Plant 6 to 12' high, with peculiarly smooth and soft leaves, variously 

 colored, exhaling a delightful odor. St. retrorsely pubescent above, branched. 

 Stam. exserted. Fls. whito or bluish. Jl., Aug. \ E. India. Cultivated as a 

 culinary herb. 



2. HYP'TIS, L. (Gr. vrrnog, supine ; .from the apparently resupin- 

 ate corolla.) Calyx 5-toothed, teeth acute or subulate ; corolla tube 

 cylindric, limb 5-lobed, the lower abruptly deflexed, contracted at its 

 base, the 4 others flat, erect or spreading; stamens 4, decimate ; ach- 

 enia ovoid or oblong. — In our species the flowers arc capitate. 



1 H. radiata "Wilkl. Herbaceous ; lvs. glabrous, lance-ovate, unequally crenato- 

 serrate, narrowed to a petiole; hds. globular, long-pedunculate; brads lance- 

 oblong, obtuse, forming an involucre, longer than tlie calyx, as -if radiate; cal. teeth 

 acutely subulate, rigid. — U In damp lields, Car. to Fla. and La., common. St. 

 18' to 3f high, square and hollow. Lvs. with their stalks 3 to 5' long. lids, 

 hemispherical in flower, in fruit globular. Invol. about 12-leaved. Jl. — Sept 



2 H. spicata Poit. Branches aculeate-scabrous on the augles; lvs. ovate, un- 

 equally serrate, acute, petiolate, whitish pubenclent beneath; hds. loosely racemed, 

 semi-oval, scarcely as long as their peduncles; racemes panic-led; bracts ovate., 

 much slwrler than the calyx. — 1[ In Fla. Plant 1 to 2f high. Hds. 4 to 7-flowered. 

 CaL inflated at base, truncate, with short, setacoous teeth. Cor. violet-blue. 



3. LAVAH'DULA, L. Lavender. (Lat. lavarc, to wash. Used in 

 perfumery.) Calyx ovoid-cylindric, with 5 short teeth, the upper one 

 often largest; corolla upper lip 2-lobed, lower 3-lobed, lobes all nearly 

 equal ; tube exserted ; stamens included. — 11 . 



L. spica L. Lvs. linear-oblanceolate, tapering to tho base, sessile, rcvoluto 

 at the edge, tho upper ones linear-lanceolate, tho highest shorter than the calyx; 

 spike interrupted; bracts subulate. — Plant 12 — 18' high, suft'ruticous, branching 

 from the base. Leaves crowded at the base of the branches, clothed witli a whit- 

 ish down. Calyx villous. Cor. much exserted, lilac-colored. Jl. | — The plant 

 u delightfully fragrant, and by distillation yields the well known oil of lavender. 



4. TEUXRIUM, L. Germander. (Tcucer, the founder of Troy, is 

 Baid by Pliny to have first employed it medicinally.) Calyx subctfn- 



{>anulate and subregular, in 5 acute segments; corolla with tho 4 upper 

 obes nearly equal, the lowest largest," roundish ; stamens 4, exserted 

 from tho deep cleft in the upper side of the tubo. 



