OXALIDACEAE (WOOD SORREL FAMILY) 255 
Seed-time: August to October. 
Range: Indiana to Minnesota and Nebraska, southward to the 
Gulf of Mexico. 
Habitat: Fields and meadows, banks of streams, waste places. 
A small, very slender, low-climbing plant, with stems fifteen to 
thirty inches long, clothed with fine, downward-turning hairs. 
Leaflets lance-shaped or oblong to linear, without lobes, obtuse at 
apex and rounded at base, entire, little more than an inch long and 
less than a half-inch wide. Heads two- to six-flowered, in capitate 
clusters, on peduncles much longer than the leaves; corollas pale 
purple and only about a quarter-inch long. Pods very slender, a 
little more than an inch in length, flat, and very hairy. Beans 
purple, very small and flat, at first mealy but later smooth and 
shining. 
Means of control the same as for the Trailing Wild Bean. 
YELLOW WOOD SORREL 
Oxalis stricta, L. 
(Xanthézalis stricta, Small) 
Other English names: Upright Wood Sorrel, Sheep Sorrel, Sheep 
Poison, Sour-grass. 
Native. Annual or perennial. Propagates by seeds and by woody 
rootstocks. 
Time of bloom: April to September. 
Seed-time: Late May to October. 
Range: Nova Scotia to South Da- 
kota, southward to Florida and 
Texas. 
Habitat: In woods, cultivated ground, 
roadsides, waste places, even along 
the curbstones of city streets. 
Stems tufted on woody rootstocks, 
or annual seedlings single, upright or 
sometimes decumbent, branching at 
the base, pale green, slender, covered 
with fine, appressed hairs. Leaves 
alternate, palmately three-parted, the 4 
leaflets about a half-inch long, bright ».. 189. — yellow Wood Sorrel 
green, smooth, deeply notched at the (Oxalis stricta). x 3. 
