488 ALLIONIACEAE 
3. ALLIONIA Loefl. Perennial herbs. Leaves opposite: blades equila- 
teral or nearly so. Flowers 1-5 in each involucre. Calyx campanulate or 
short-funnelform. Stamens 2-5, unequal. Fruit her) slightly 5-angled 
or 5-grooved. oan L'Her.]—About 40 species, with one exception 
American.—Spr.-sum.—U MBRELLA-WORTS. 
Leaf-blades narrow, gradually. narrowed at the base 1. A. albida. 
or uc except in the uppermost leaves, broad, cordate at 
e bas 2. A. nyctaginea. 
1. A. albida Walt. Stem up to 2 m. tall: leaf-blades Serie narrowly 
ipte, or linear-lanceolate, 3—15 em. long, sessile or nearly so: involueres 
becoming 2. em. wide: ealyx white or 
pale-pink: fruit 4.5-5 mm. long, the angles, 
and the ha pom B [Oxy- 
baphus albidus Choisy|—Dry soil on hill- 
Si i 
Coastal Plain, S. C. to Tex., Kans 
Tenn. 
2. A. taginea Michx. Stem u 
tall: leaf- blades broadly ovate, or triangular- 
ovate, or broadly lanceolate, 2-11 em. long, 
petioled: involueres becoming 2 em. Wr 
i: 
finely Tbe ulate. [Oxybaphus Eds Md 
Sweet]—(WiLD FOUR-O'CLOCK. MBRELL. 
WORT.)—Dry soil, various provinces, sre Coastal Plain, Ala. to Tex., Mont., 
and Wis.—(Mez Jj) 
4. BOERHAAVIA [Vaill] L. Annual or perennial usually diffuse 
herbs. Leaves opposite: blades often undulate. Flowers subtended by minute 
bracts. Calyx-tube not prolonged beyond the ovary, the limb campanulate to 
rotate. Fruit clavate to obovoid, 5-10 r ibbed.—About 50 species, natives of 
the Old World and the New.—SPIDERLINGS 
Fruits glandular, rounded at the apex: plants perennial. 1. B.coccinea. 
Fruits glabrous, flat at the apex: plants annual. 2. B. erecta. 
1. B. coccinea Mill. Stem branched at the base, the branches diffusely 
spreading, 6-12 dm. ae Fg poe cu to elliptic- -ovate, 2-8 em. long, 
gl 
pyramidal, 3 mm. long, the ribs d M 
the top rounded.—[B. hirsuta Wil m) B. 
paniculata Rich., B. decumbens Vahl. B. 
viscosa Lag. & Rodr. Small F1.] P iugi 
waste places, and hammocks, pen. Fla.; adv. 
in N. C.; also Tex. to Calif.—(W. I., Mez., 
C. A., S. A., O. W.) 
2. B. a L. Stem simple MD erect 
or branched at the 2 the bra s de- 
mbent or spreading, 3-12 dm "ou. ‘eat. 
blades d to deltoid- rg 2-8 em. long, 
