Obdbb 89.— labiate. S41 



h Oalyx lips ontiro, upper with an appendage on the back Scutellaria. 29 



k Oalyx 8-lobod. Anthers all distinct. Flowers purple strealied Maobridea. 30 



k Calyx 4-lobed. Anthers, the highest pair connate Svnandba. 81 



m. Corolla tube inflated in the midst, whitish. Lips small Piivsostegia. 82 



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



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



m Corolla not inflated, short.— Calyx salvcr-form, 10-rihbed Ba.llota. 85 



—Calyx broad-bell-form, netted Mollucella 86 



n Anthers opening transversely, ciliate fringed. Lvs. notched Galeopsis. 37 



n Anthers opening lengthwise. — Achenia rounded at tho top Stachys. 38 



— Achenia truncate, 3-angled at top Leonurus. 39 



o Corolla white, upper lip flattish. Style equally bifld Makbubium. 40 



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



O Corolla scarlet, exserted. Calyx upper tooth longest Leonotib. 42 



1. OXIMUM, L. SwKET Basil. (Gr. ofw, to smell ; the plants are 

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

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

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

 Vertioels 6-flowered, in terminal, interrupted racemes. 



O. basilicutn L. Lvs. smooth, ovate oblong, subdentate, petiolate ; oal. cili- 

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

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

 Stam. exserted. Pis. white or bluish. Jl., Aug. j: E. India. Cultivated as a 

 culinary herb. 



2. HYP'TIS) L. (Gr. virriog, supine ; from tho 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, declinate ; ach- 

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



1 H. radiata "Willd. Herbaceous ; lvs. glabrous, lanc^-ovate, unequally crenate- 

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

 oihng, obtuse, forming an involucre, longer than the calyx, as if radiate; cal. teeth 

 acutely subulate, rigid. — y In damp fields. Car. to Ma. and La., common. St. 

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

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



2 H. spioata Poit. Branches aculeate-scabrous on the angles ; lvs. ovate, un- 

 equally serrate, acute, petiolate, whitish puberulent ieneaih; hds. loosely r.acemed, 

 semi-oval, scarcely as Jong as their peduncles; racemes panided; bracts ovate, 

 Tnuch shorter than the calyx. — IflnHa. Plant 1 to 2f high. Hds. 4 to '? -flowered. 

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



3. LAVAWDULA, L. Lavender. (Lat. lavare, 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. — 1( . 



L. spica L. Lvs. linear-oblanceolate, tapering to the base, sessile, rsvolute 

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

 ' spike interrupted; bracts subulate. — Plant 12 — 18' Iiigh, suffruticous, branching 

 from the base. Leaves crowded at the base of the branches, clotlied with a whit- 

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

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



4. TEU'CRIUffl, L. Germander. {Teucer., the founder of Troy, is 

 said by Pliny to have first employed it medicinally.) Calyx subcam- 

 panulate and subregular, in 5 acute segments ; corolla with the 4 upper 

 lobes nearly equal, the lowest largest, roundish ; stamens 4, exserted 

 from the deep cleft in the upper side of the tube. 



