PORTULACACEAE 495 
. long: petals 9-13 mm. long: seed about 2.5 mm. wide.—Woods, Coastal 
Plain and adjoining provinces, Ga. to Miss., Tex., Ohio, and Va.—Spr. 
3. PORTULACA [Tourn.] L. nual or perennial succulent herbs. 
Leaves flat or terete. Flowers erect. aoe 2, deciduous. Petals 4-6. Style 
short; stigmas 3-8, slender. Ovules many on a basal Pire 20 spe- 
cies, mostly natives of America.—PORTULACAS. 
Leaf-blades terete or nearly so: nc uM more or less hairy. PILOSAE 
Leaf-blades flat: leaf-axils not hai ni OUR CAES 
I. PILOSAE 
Corolla 4-5 cem. wide: seeds sil 1. P. grandiflora. 
Corolla less Gan 1.5 em. wide: Yds black or brown. 
Corolla BU or purplish, mostly over 1 em. wide: seeds 
Petals obovate: seeds 0.4-0.5 mm. in diameter. 2. P. pilosa. — 
Petals elliptie to elliptic-ovate: seeds 0.7-0.9 mm. in : 
iameter, 3. P. Smallü. 
Corolla yellow or white, less than 1 cm. wide: seeds 
brown. 4. P. phaeosperma. 
I. OLERACEAE 
Upper leaves with lanceolate or elliptic-lanceolate blades: 
CDU ule wach a crown like rim around the base of the cap: 
eeds 5. P. coronata. 
Upper jeu cs with euneate or obovate blades: capsule with 
a mere line about the base of the cap: seeds black. 6. P. oleracea. 
. grandiflora Hook. Plant annual, e Spore or diffuse branches, 
hair- tufted in the ed axils: leave s 0.8-2.5 m. long; blades terete: flowers 
solitary o Es or 3 together in an olua 
PLANT. 
sides, fence-rows, cult. grounds, jia Te 
places, E & W N. A. Nat. of S. A.—Sum 
pilosa L. Plants annual or sometimes 
ne r - 
voluere 6-10 bracts and white or brownish hairs: sepals ovate or triangular- 
ovate, 2-3 mm. long: petals pink or pem sh: stamens 15—32: capsule sub- 
globose, 3—4 mm. broad.—Sandy woods, roadsides, and cult. grounds, Coastal 
me adj. Pod. Fla. to Tex., and Ga. —(W. I., Mez., C. A., S. A.)— 
Spr 
9. P. Smallii P. Wilson. Plants with spreading boi prostrate branches, with 
PER hair iris s axils: Es es 1-1.5 em. long; blades nearly terete: 
flow involucre of 10 or more " e and ps hairs: 
se is orbieula deltoid about 3. mm. Ioue. petals pink: sta 8-12: capsule 
subg! yak a caine a . bro oad.—Sandy soil on granite PE Piedmont, Ga. 
4. P. phaeosperma Urban. Plants with more or less diffusely E stems 
from tuberous roots and rather inconspicuously tufted leaf-axils: s 0.5-2 
cm. long; blades nearly terete; flowers terminal, in an involucre of ph bracts 
