68 WILD FLOWERS OF THE BRITISH ISLES 
flesh-coloured, in nearly round, long-stalked heads, f inch across in flower, much larger in 
fruit : the calyx as long as the corolla, with the teeth pointed, nearly equal, hairy, erect in flower, 
becoming triangular and spreading in a star-like manner in fruit, the throat being completely closed 
with long woolly hairs; the pods i -seeded. Stems 4-12 inches high; the leaves divided to 
the base into 3 broad leaflets, and the stipules broadly egg-shaped (ovate), shortly pointed, and 
often toothed. 
Very rare. Naturalised at Shoreham, on the coast of Sussex. June — August. Annual. 
Hare’s-foot Clover. (Trifolium arvense, Linn.)— Flowers small, white becoming 
pink, in long, spike-like (cylindrical), stalked heads, about 1 inch long ; the calyx longer than the 
corolla, with equal, russet-coloured, very slender, erect teeth, covered with soft hairs which almost 
hide the flowers; the pods i-seeded. [As described in the genus Trifolium.] Stems 6-12 inches 
high, branched ; the leaves divided to the base into 3 narrow leaflets, and the stipules narrow 
ending in a bristle. [ Plate 34. 
Common, locally. Sandy places near the sea, dry pastures, downs. July — September. Annual. 
Soft-knotted Clover. (Trifolium striatum, Linn.)— Flowers small, £ inch long, rose- 
coloured, in dense oval, stalkless (sessile) heads ; the calyx a little shorter than the corolla, hairy, 
much dilated in fruit, with triangular, rigid teeth, 1 longer than the other 4 ; the pod small and 
i-seeded. [As described in the genus Trifolium.] The stems 4-18 inches long, hairy ; the leaves 
hairy, divided to the base into 3 inversely egg-shaped (obovate) leaflets, and the stipules egg-shaped 
(ovate), and ending in a fine point. 
Fairly common. Dry pastures and waste places. June — July. Annual. 
Boccone’s Clover. (Trifolium Bocconi, Savi.)— A very similar species to the Soft- 
knotted Clover (Trifolium striatum), but with paler pink flowers, usually in pairs ; the erect 
stems 2-4 inches high ; and the leaves with narrower leaflets, and oblong pointed stipules. 
Very rare. Only found near the Lizard. July — August. Annual. 
Rigid Clover. (Trifolium seabrum, Linn.)— Another similar species to the Soft-knotted 
Clover (Trifolium striatum), but having inconspicuous whitish flowers, the calyx as long as the 
corolla, with triangular, spiny teeth, which spread and become rigidly spiny in fruit, the stems 
more prostrate, and the leaves with strong curved veins. 
Not common. Sandy fields and dry places. May — July. Annual. 
Smooth Round-headed Clover. (Trifolium gTomeratum, Linn.)— Flowers £ inch 
long, bright pink, in dense, round, stalkless (sessile) heads ; the calyx shorter than the corolla, with 
nearly equal teeth, pointed and becoming rigid and curved back in fruit; the pod 2-seeded. [As 
described in the genus Trifolium.] The stems 6-12 inches long, spreading, numerous; the 
leaves divided to the base into 3 inversely egg-shaped (obovate), toothed leaflets, with short, pointed 
stipules. 
Rare. Sandy and gravelly places in the south and south-east. June— July. Annual. 
Suffocated Clover. (Trifolium suffocatum, Linn.)— Flowers very small, \ inch long, 
whitish, in dense, oval, stalkless (sessile) heads, the heads being crowded together along the stems, 
close to the ground ; the calyx longer than the corolla, the teeth nearly equal, with fine points 
which curve back; the pod 2-seeded ; the stems very short, 1-3 inches long, numerous, prostrate, 
often half buried in the sand ; the leaves on long, slender stalks, divided to the base into 3 inversely 
egg-shaped (obovate) leaflets, with egg-shaped, abruptly-pointed stipules. The whole plant is hairless. 
Rare. Sandy pastures near the sea in the south and east of England and in Wales. June — July. 
Annual. 
Upright Round-headed Clover. (Trifolium strictum, Linn.)— Flowers very small, 
