598 366. Trifolium. 63. LEGUMINOSiE. PL ex. cal. 
a. Trifoliastrum. Calyx bald , not inflated after flowering ; 
legumen 2 or 4- seeded , covered with the calyx; root per- 
ennial ; flowers white or reddish. 
1. Trifolium repens. Creeping trefoil. 
Head umbelled; legumen 4-seeded; calyx-teeth unequal; 
leaflets ovate, oblong, nicked, finely serrate ; stem creeping. 
Trifolium pratense album, Raii Syn. 327, 1 ; Park. 1110. 
Trifolium pratense, Ger.em. 1185. 
Trifoliastrum, Micheli Nov. Gen. 25, 3. 
Trifolium repens, Lin. S. P. 1080. 
Meadow trefoil. White Dutch clover. Shamrock. 
Fields and pastures ; perennial ; May to September. 
Stem prostrate; petioles long; leaves often spotted with 
brown and white; peduncles long, upright; heads become 
pendulous; calyx 10-ribbed. — Considered as indicating a 
rich soil. 
0. quinatum. Leaflets 4 or 5, dark brown, 
y. sanguineum. Leaflets deep purple. 
Bloodwort. 
d. carneum. Flowers flesh-colour. 
£• proliferum . Flowers bearing a small head of leaves. 
£. hybridum. Stem ascending, branchy ; ccdyx-teeth 
unequal. 
Trifolium repens hybridum, Hudson FI. Angl. 
Trifolium hybridum, With. B. Arr. ed. 3 and 4, not of Linnaeus. 
Differs from T. hybridum of Linnaeus by its calyx-teeth. 
b. Calyx bald , not inflated after flowering ; flowers white 
or reddish ; legumen 1 - seeded ; root annual . 
2. Trifolium glomeratum . Globe trefoil . 
Head spherical, axillary and terminal, sessile ; calyx-teeth 
unequal, heartshape, reflected, venose, awned, spread ; 
leaflets reverse ovate, finely serrated ; legumen 1-seeded. 
Trifolium cum glomerulis ad caulium nodos rotundis, Raii Syn. 329, 10. 
Sandy fields and pastures ; annual; July. 
Stem prostrate, striated; leaves distant; stipules ovate, 
scarious ; head hemispherical, many-flowered ; calyx bell- 
shape, pale, teeth half as long as the tube, reflected; corolla 
rose-colour. 
