746 OXALIDACEAE 
Flowers perfect, essentially regular, eymose. Calyx of 5 persistent sepals. 
Corolla of 5 white or colored petals. Androecium of 10-15 unequal 
stamens: filaments united at the base. Gynoecium of 5 partially united 
earpels: styles distinct. Fruit a loculicidal capsule, di baccate.—A bout 
15 genera and 300 species, most abundant in the tropi 
ee Sa ee with short or long rootstock, succulent: corolla not yellow, except 
2. Tribe I. OXALIDEAE. 
Plant. caulescent, annual or perennial, not succulent: 
corolla yellow. l Tribe II. XANTHOXALIDEAE. 
I. O E 
Sepals without apical tubercles : rootstocks elongate, merely scaly at the apex. 
1. OXALIS. 
Sepals n apical tubercles: rootstocks m solitary or 
ck. 
Plant A lont rootstock which bears bulblets at the 
nodes. 2. BOLBOXALIS. 
Plant with a coated bulb. 3. IONOXALIS. 
II. XANTHOXALIDEA 
m or creeping herbs, the flowers in umbel- jie or forking 
es, 4, XANTHOXALIS. 
OXALIS L. Spreading herbs. Leaf-blades palmately 3- -foliolate, each 
usually with a membranous fold in the iii sinus. Flowers commonly soli- 
ary. Sepals not tubereulate at the apex 
Filaments commonly glabrous. About 6 spe- 
cies, natives of the Northern Hemisphere. 
. montana Raf. Rootstock sealy at the 
end blades of the leaflets obcordate, 10-15 
long: scape em. long: sepals 
elliptic to lanceolate: cr white or pink 
and delicately veined, 1—1.5 em. ae cap- 
m. 
WOOD-SORREL.) 
2. BOLBOXALIS Small Erect herbs with rootstocks which bear bulb- 
lets at their nodes. Leaf-blades palmately 3-foliolate: leaflets sessile with 
obrenif 
broadly obeordate or somewhat eniform 
Ps Dr, : 
(ed 
blades. Flowers borne in umbel-like cymes. 
a 
ern Africa, 
B. cernua (Thunb.) Small. Plant 1-4 
dm. m dA Qus blades of the leaflets 
3.5 broad, br be 
2— very broadly obcordate, 
glab on eti d pubeseent beneath: 
uncles surpassing ] sep | 
lanceolate to a 4.5-6.5 mm. 
in 
filaments glabrous: o sule $-8 mm. "ionge sed ue OXALIS.) —Waste- 
places and cult. grounds, N Fla. Nat. of S Africa.—Spr.—fall. 
