320 
LXIII. LABIATE. 
wedge-shaped stalked, upper sessile ovate-acuminate with a 
rounded base, stem angular and panicled with ascending 
branches, filaments all woolly (with white hairs). E. B. t. 58. 
Road-sides, pastures, and fields, especially in a chalky soil. On 
clay-slate, near Truro. S ■ 7, 8 Flowers numerous, rather small, 
cream-coloured (often yellow in the Isle of Wight). Leaves very 
woolly below. Stamens hairy. 
7. V. nigrum L. (dark 71/.) ; leaves crenate nearly glabrous 
or subpubescent above tomentose or pubescent beneath, lower 
ones cordate-oblong on long stalks, upper cordate-ovate sub- 
sessile, raceme elongated, pedicels twice as long as the calyx, 
sepals lanceolate-subulate, stem angular above, filaments all 
woolly (with bright purple hairs). E. B. t. 59. — a. leaves 
subglabrous above subpubescent beneath. — ft. leaves sub- 
pubescent above downy beneath. — y. leaves subpubescent above 
tomentose beneath. 
Banks and way-sides, particularly in a gravelly or chalky soil, in 
the middle and south of England (only naturalized in 'the north of 
England and Scotland), if.. 6 — 10. — Leaves nearly glabrous, dark 
green. Flowers fascicled, many together, on the almost simple long 
raceme. Corolla rather large, yellow. 
[Besides the above, V. phceniceum L. ( V. ferrugineum Andr.) and 
V. phlomoides L have been mentioned as natives, but they are plants 
only of a more southern clime.] 
Ord. LXIII. LABIATiE Juss. 
Calyx tubular. Corolla monopetalous, hypogynous, mostly 
irregular. Stamens 4, mostly didynamous, 2 sometimes sterile 
or wanting. Ovary 1, deeply 4-lobed; style arising from be- 
tween the lobes, near their base. Stigma 2-lobed. Achenes 4, 
enclosed in the calyx. Seed solitary, erect. Embryo erect. 
Albumen 0. — Herbs, rarely shrubs. Leaves opposite. Stems 
square. — An extensive and eminently natural Order, abounding 
in essential oil, camphor, and bitter extractive : many of the 
individuals are therefore employed medicinally. 
A. Stamens 2. 
1. Lycopus. Cal. 5-cleft. Limb of corolla nearly equal. 
2. Salvia. Cal. 2-lipped. Cor. labiate. 
B. Stametis 4. 
I. Stamens diverging, nearly equal, longer than the nearly regular 4 — 5-cleft 
cor. 
3. Mentha. Tube of the cor. scarcely longer than the calyx. 
II. Stamens diverging, nearly equal, longer than the somewhat 2-lipped cor. 
4. Thymos. Flowers in whorls or capitate. 
5. Origanum. Flowers in spikes or heads, with imbricated bracteas. 
