102 
xxyi. leguminoSjE : trxfolie^e. [ Trifolium . 
** Flowers sessile. Calyx not inflated. Standard deciduous or 
unaltered. Legumes 1- or 2- seeded. 
f Calyx with an elevated hairy ring in the throat. 
2. T. ochroleucum L. ( Sulphur-coloured T.) ; heads stalked 
terminal solitary, calyx pubescent, the teeth erect in fruit 
subulate, lower one much longer than the rest, leaflets elliptic 
or obovate, those of the lower leaves heart-shaped, stem ascend- 
ing downy. E. B. t. 1224. 
Pastures and way-sides in England, on gravel or chalk. Frequent 
also in the clayey soil of Norfolk and Suffolk, ‘if.. 6 — -8 A foot 
or more high. Petioles long. Stipules subulate, ribbed. Heads of 
flowers large, at first hemispherical, at length oval, cream-coloured. 
Throat of the calyx with a thickened ring, pubescent within on its 
upper side. The corolla turns brown and is persistent. 
3. T. pratense L. ( common purple C.) : heads dense ovate 
sessile, calyx hairy, its teeth setaceous ciliated, lower one longer 
than the rest | longer than the tube of the corolla, stipules 
ovate bristle-pointed, leaflets oval or obcordate, stems ascending. 
E. B. t. 1770. 
Meadows and pastures, frequent. If . 5 — 9. — Flowers reddish- 
purple. Throat of the calyx with a thick hairy ring, in this and the 
next. Tliis is the common Clover , so much cultivated for hay. The 
leaflets are oval obovate or obcordate, often marked with a white lu- 
nulate spot. 
4. T. medium L. (zigzag T.) ; heads lax subglobose stalked 
solitary terlninal, calyx glabrous, the teeth setaceous hairy, 
lower one longer than the rest about equal to the tube of the 
corolla, stipules lanceolate acuminate, leaflets elliptical, stems 
branched zigzag. E. B. t. 190. 
Pastures frequent. 2/.. 6 — 9. — Stem remarkably zigzag. Heads 
of flowers larger than the last, deeper purple. Leaves spotless. Infe- 
rior in quality to T. pratense, hut better for pasture on light soils. 
5. T. maritimum Huds. ( Teasel-headed T.) ; heads ovate- 
globose stalked termintfl, teeth of the calyx ciliated rigid at 
first subulate erect, the lower one much longer and larger than 
the rest shorter than the claws of the petals, all of them in fruit 
enlarged and spreading, stipules subulate-lanceolate elongated, 
leaflets oblong-obovate, stem ascending. E. B. t. 220. 
Salt-marshes on the east coast of England as far north as Norfolk, 
and south coast as far as Somersetshire. Newport, Monmouthshire. 
Near Kilbarrack-church, co. Dublin. 0. 6, 7. 
6. T. * incarnatum L. ( crimson . C.) ; heads ovate at length 
cylindrical stalked solitary terminal, calyx hairy, the teeth 
lanceolate-subulate nearly equal shorter than the corolla in 
