60 ENGLISH BOTANY. 
other, and the heads look much less compact than those of the 
Strawberry Trefoil. The flowers are about + inch long, pale bluish- 
purple. Pod extremely short, globular, 2-seeded. 
The curious twist of the corolla, which brings the standard below 
the keel, at once distinguishes this plant when in flower from all the 
other British species, while by the reticulated and inflated calyces 
with their apices all separate from each other, it may be equally 
well known in fruit. 
Reversed-flowered Trefoil. 
French, Tréfle Renversé. 
Section V.—CHRONOSEMIUM. JD. C. 
Flower-heads axillary and terminal or all axillary, sub-globose, 
becoming ovoid. Flowers sessile or shortly stalked. Pedicels with 
bracts at the base. Calyx not becoming vesicular in fruit, without 
a callous or hairy ring in the throat; the teeth equal, or the 2 
upper ones shorter, remaining unchanged in fruit. Corolla yellow; 
standard becoming enlarged and scarious, folded (at least at the 
base), and bent down at the tip over the fruit. Pod stalked within 
the calyx, exserted, 1-seeded, more rarely 2-seeded. Leaves fre- 
quently pinnately trifoliate. 
SPECIES XIX.—TRIFOLIUM PROCUMBENS. Zinn. 
Pirate CCCLXV. 
Bab. Man. Brit. Bot. ed. v. p. 80. Koch, Syn. Fl. Germ. et Helv. ed. ii. p. 194. ries, 
Sum. Veg. Scand. p. 48. Lowe, Man. Fl. Mad. p. 150. 
T. agrarium, Huds. Benth. Handbook Brit. Bot. p. 169. Hook. & Arn. Brit. Fl. 
ed. viii. p. 105. Gr. & Godr. Fl. de Fr. Vol. I. p. 423 (non Linn. Herb. !). 
Rootstock none. Stems several, slender, wiry, erect or ascend- 
ing, or procumbent, branched. Leaves shortly stalked, pinnately 
trifoliate ; leaflets obovate or oblanceolate, usually truncate or 
emarginate at the apex, finely denticulate in the upper portion. 
Stipules adnate for about half their length, half-ovate, rounded at 
the base; the free portion deltoid, triangular-acute, entire. Flower- 
heads axillary, on stalks exceeding their own length, and usually 
(but not always) longer than the leaves from which they spring, 
globular, at length ovoid or oblong, very dense, many-flowered. 
lowers on pedicels shorter than the calyx-tube, at length reflexed. 
Calyx-tube bell-shaped; upper teeth triangular, shorter than the 
tube, the 3 lower ones lanceolate and exceeding it, unaltered in 
fruit. Corolla longer than the calyx; standard broadly obovate, 
