Vor. IL.] WOOD-SORREL FAMILY. 347 
6. Oxalis recirva Ell. Large-flowered 
Wood-sorrel. (Fig. 2255.) 
O-xalis recurva Ell. Bot. S.C. & Ga. 1: 526. 1821. 
Perennial by horizontal rootstocks, pilose or 
villous. Stem erect, or decumbent, 5’-12/ tall, 
often woody at the base; leaves '4’-1 4’ broad; 
leaflets sharply notched; petioles 114/-314’ 
long, pubescent like the stem, slightly dilated 
at the base; flowers bright yellow, in umbel- 
like cymes, I or 2 opening at a time; pedicels 
villous, about as long as the flowers, erect, or 
spreading; sepals oblong, about 3/’ long, ob- 
tuse, nearly erect; petals about 7/’’ long, 
slightly notched; capsule columnar, 6’’ long, 
abruptly narrowed at the summit; seeds obo- 
void, 3’ long, with broken transverse ridges. 
In rocky or sandy places, Missouri to South 
Carolina and Alabama. April-Aug. 
7. Oxalis cymosa Small. Tall Vel- 
low Wood-sorrel. (Fig. 2256.) 
eee cymosa Small, Bull. Torr. Club, 23: 267. 
1896. 
Annual or perennial, normally tall, bright 
green. Stem usually erect, 6’—4° high, branch- 
ed above, often villous, reddish or brown; 
leaves 9’/-18’’ broad, on petioles 114/-3/ long; 
leaflets broader than long, sharply notched; 
petiole-bases scarcely dilated; flowers yellow, 
in dichotomous cymes; pedicels erect, or 
ascending, 3/4’ long, more or less villous; 
sepals lanceolate or narrowly elliptic, 2’/-3/’ 
long, finally spreading; petals obtuse, or 
emarginate, 4//-5’’ long; capsule slender, 
columnar, 5/’-7’’ long, gradually narrowed 
to the summit; seeds obovoid-oblong, 3/// 
long, with nearly continuous ridges. 
In woods and fields, Ontario to Michigan, 
Florida, Nebraska and Texas. May-Oct. 
8. Oxalis grandis Small. Great Vellow 
Wood-sorrel. (Fig. 2257.) 
Oxalis recurva Trel. Mem. Bost. Soc. Nat. Hist. 4: 
89. 1888. Not Ell. 1821. 
Oxalis grandis Small, Bull. Torr. Club, 21: 474. 1894. 
Annual or biennial, stout, glabrate below or vil- 
lous, bright green. Stem erect, 1°-4° tall, simple, 
or nearly so; leaves 114/—3/ broad; leaflets usually 
unequal, often with a brown margin, more or less 
ciliate; petioles villous, hardly dilated at the base, 
2’-6’ long; flowers yellow, in dichotomous cymes; 
pedicles 5’’-7’” long, erect, or spreading; sepals 
unequal ; ovate, or oblong, 2’/-3’’ long, often ciliate 
at the apex; petals rounded at the apex, 6//-8’’ 
long; capsule stout, ovoid, or ovoid-oblong, 3//— 
5’’ long, seeds ovoid or obovoid, 1’ long, with con- 
spicuous broken transverse ridges. 
On river banks, Pennsylvania to Illinois, North 
Carolina and Tennessee. May-Aug. 
