An erect, usually much-branched annual, 5 to 18 inches high, silky-pubescent. Leaves very short petioled, three-foliate, oblanceolate or linear, minutely toothed, blunt and sometimes notched at the apex, narrowed at the base, one-half to 1 inch long. Flowers sessile in dense, terminal, peduncled, oblong or cylindric heads, one-half to 1 inch long; calyx very silky; corolla whitish, shorter than the elongated, slender, plumose calyx lobes. Fruiting pod very small.

In waste places, dry and sandy fields, roadsides etc., Quebec and Ontario to South Carolina, Florida, Tennessee and Missouri. Naturalized from Europe. Flowering from May to September.

Memoir 15 N. Y. State Museum

Plate 108

A. Rabbit-Foot, Old Field Or Stone Clover - Trifolium arvense

The only Clover native to New York is the Buffalo Clover (Trifolium reflexum Linnaeus), which occurs from the western part of the State westward and southward. Our flora contains a large number of introduced species of clovers and related plants. Among them are the following:

Yellow or Hop Clover..............................Trifolium agrarium

Low or Smaller Hop Clover.......................... " procumbens

Crimson Clover.................................... " incarnatum

Red or Meadow Clover............................. " pratense

Alsike or Alsatian Clover........................... " hybridum

White Clover...................................... " repens

Alfalfa............................................Medicago sativa

Black or Hop Medic............................... " 1upu1ina

White Sweet Clover................................Melilotus alba

Yellow Sweet Clover............................... " officinalis

Bird's-foot Trefoil.................................Lotus corniculatus