Feb., 1915.] 
Clovers of Ohio. 
447 
4. Trifolium incarnatum L. Crimson Clover. 
Annual; erect; branching; 12-20 in. high; leaves long petioled, 
6 in. long, 2 in. wide; leaflets 1 in. long, 1 in. wide, sessile or nearly 
so, all from the same point, obovate, cuneate at the base, rounded 
at the apex; peduncles l l /2 in. long; flowers in oblong heads; 
corolla crimson. In fields and waste places. From Europe. 
Rather general. 
5. Trifolium arvense L. Rabbit-foot Clover. 
Annual; erect; branching above the root; leaves 1 in. long, 
y 2 in. wide; leaflets y in. long, % in. wide, linear or oblanceolate, 
cuneate at the base, rounded at the apex; heads oblong or cylindri¬ 
cal; calyx silky; corolla whitish. In fields and waste places. 
Warren, Stark, Cuyahoga, Lake. From Europe. 
6. Trifolium pratense L. Red Clover. 
Perennial; branching, decumbent or erect; 2 ft. high; leaves 
in. long, 2 in. wide; petiole pubescent; leaflets \% in. long, 
% in. wide, with short petioles, all from the same point, ovate 
or oblong, narrowed at the base, rounded at the apex, usually 
with a prominent light ornamental spot in the middle; heads 
somewhat ovoid; flowers red, calyx hairy. In waste places and 
meadows. General and abundant. Naturalized from Europe. 
7. Trifolium medium L. Zig-zag Clover. 
Perennial; ascending; 14 in. high; leaves 6 in. long, 3 in. 
wide; leaflets 1 ]/ 2 in. long, Fz in- wide, oblanceolate to ovate; 
flowers nearly sessile, bright purple. 
8. Trifolium virginicum Small. Prostrate Mountain Clover. 
Perennial; branched at the base, the branches prostrate, 
pubescent; leaflets fF-lRf in. long, linear, narrowly lanceolate or 
oblanceolate, obtuse, serrate, dentate; flowers in globose heads, 
whitish, crowded. 
9. Trifolium carolinianum Mx. Carolina Clover. 
Perennial; ascending or procumbent; much branched from the 
base; leaves % in. long, % in. wide; leaflets all from the same 
point; obovate, cuneate at the base, denticulate; flowers purplish. 
10. Trifolium reflexum L. Buffalo Clover. 
Annual or biennial; ascending; branching, 15 in. high; leaves 
\y in. long, % in. wide; leaflets % in. long, in. wide, oval 
or obovate, cuneate, denticulate; flowers red with peduncles 
1- 3^2 in. long. In meadows and ravines. Belmont County. 
10. Trifolium stoloniferum Muhl. Running Buffalo Clover. 
Perennial; branching, forming runners at the base; stem 15 in. 
long; leaves in. long, 2 in. wide; leaflets iy in. long, IRf in. 
wide, broadly obovate; flowers white tinged with purple; pods 
2- seeded. Prairies and dry woods. Hamilton, Clermont, Butler, 
Clinton, Clark, Franklin. 
