Labiatae. 
309 
— Cor. tubular, 12— 16 mm long, whitish with lilac streaks 
or often tinted with violet, the back evenly arched. 
Seps entire or 2-fid. Style violet.— On clover and various 
other pis; distrib. 6 minor Suit. 1710. 
78. Labiatae. 
435. Lavandula. Lavender. XIV, 5. 
1. Ls linear. Bracts of the whorled clusters brown, scarious, 
oval-rhomboidal, acuminate. FIs blue. L. vera Dec.— 
Hills; subspontaneous near Neuveville, and often cult¬ 
ivated in gardens, as also L. latifolia Vill. (with broad ls 
and linear bracts). 7 . . officinalis Chaix. 1711. 
436. Mentha. Mint. XIY, 3. 
1. Cal. almost bilabiate, the throat closed by hairs after 
flowering. Fl.-clusters axillary. Pulegium vulgare Mill. 
—Inundated places, rare; Tess., Yaud (Lavigny); Ge¬ 
neva. 7.Pulegium L. 1712. 
— Cal. regular, with 4 teeth; throat bare or hairy, but 
not closed by hairs ...... 2 
2. Clusters placed in the axils of ordinary ls, or the upper 
ones forming a head-shaped inflorescence . . 3 
— Clusters in the axils of reduced bracts, more or less 
crowded and in gen. form resembling an uninter¬ 
rupted (at least above) spike . . . . 6* 
3. Clusters crowded together in a head at the top 
of the stem, having 1—2 (rarely more) separate clusters 
below the top, which are peduncled and supported by 
a leaf. Cal. tubular-infundibuliform; teeth triangular at 
the base, long-subulate. Ls petioled, oval or oval-ob¬ 
long, gen. covered with scattered hairs, rarely (v. hirsuta 
auct.) covered with a stronger, denser villosity, or 
(v. glabrata) almost glabr. We have never seen pis en¬ 
tirely glabr. in Switzerland except as regards the cal.- 
tube (v. citrata Ehrh.).—Ditches and brooks; every¬ 
where. 7.aquatica L. 1713. 
— Clusters all separate and placed in the axils of common 
ls. Stem terminated by a cluster of ls . . . 4 
4. Fr.-cal. short, campanulate, the teeth triangular- 
oval, short, about as broad as long. Ls petioled, oval 
or elliptic.—Fields after mowing, ditches, shores; every¬ 
where. 7.arvensis L. 1714. 
— Fr.-cal. tubular-campanulate or tubular-infundibuliform ; 
teeth triangular-lanceolate, acuminate, longer than in 
the last «»...«. .. 3 
5. Cal. glabr. at the base, rough above. Cor.-tube glabr. 
inside. PI. gen. almost glabr., with abundant glands 
