Parr 3, 1918] ALLIONIACEAE 247 
5 mm. wide, purplish-red; fruit about 1 cm. long and wide, the body short-villous above, the 
wings thin, prolonged above the body and acute, narrowed below. 
Tyre LocaLity: Clallam County, Washington. 
DistRisuTIon: On sandy beaches, Clallam County, Washington. 
InLustration: Contr. U.S. Nat. Herb. 12: pl. 29, f. 1. 
8. Abronia breviflora Standley, Contr. U. S. Nat. Herb. 12: 312. 
1909. 
Annual, much branched, the branches slender or stout, prostrate, densely viscid-puberu- 
lent and more or less short-villous; petioles slender, 1.5-4 em. long; leaf-blades broadly ovate 
to ovate-oblong, 2-3.5 cm. long, 1-2 cm. wide, rounded or obtuse at the base, rounded to 
obtuse at the apex, entire, green, sparsely and minutely viscid-puberulent; peduncles slender, 
2-4 cm. long, viscid-puberulent or short-villous; bracts linear-lanceolate or lanceolate, 5-6 
mm. long, attenuate or long-attenuate, short-villous outside, scarious; perianth 12 mm. long, 
the tube green, short-villous with white hairs, the limb 5 mm. broad, purplish-red; fruit about 
8 mm. long, the body tapering to each end, indurate, short-villous above, nearly smooth, the 
wings thin, whitish or stramineous, narrow, narrowed at both ends, the wings sometimes 
abortive; seed narrowly oblong, 2.5—3 cm. wide, dark-brown, lustrous. 
TYPE LOcALITy: Mendocino, California. 
DisTRiguTIon: On sandy beaches, Humboldt and Mendocino counties, California. 
ILLUSTRATION: Contr. U. S. Nat. Herb. 12: pl. 30. 
9. Abronia alba Eastw. Proc. Calif. Acad. III. 1: 97. 1898. 
Abronia umbellata alba M. E. Jones, Contr. West. Bot. 10: 45. 1902. 
Abronia insularis Standley, Contr. U. S. Nat. Herb. 12: 311. 1909. 
Abronia neurophylla Standley, Contr. U. S. Nat. Herb. 12: 314. 1909. 
Perennial, from an elongate woody root; stems stout or slender, 2-10 dm. long, sparsely 
branched, stramineous or whitish, often tinged with red, viscid-puberulent or glabrate, the 
internodes usually longer than the leaves; petioles slender, 1-3.5 cm. long, viscid-puberulent 
or glabrate; leaf-blades irregular in outline, suborbicular, rounded-rhombic, oval, ovate-oval, 
deltoid-ovate, or elliptic-oblong, 1-45 cm. long, 1—3.5 cm. wide, truncate to obtuse at the 
base, rounded or very obtuse at the apex, entire or subsinuate, succulent, glabrous or sparsely 
viscid-puberulent; peduncles slender, 4-12 cm. long, viscid-puberulent or glabrate; bracts 
lanceolate, 5-7 mm. long, acute or attenuate, scarious, viscid-puberulent; flowers numerous, 
the perianth 15-20 mm. long, the tube slender, greenish-pink, viscid-puberulent, the limb 
7~10 mm. broad, rose-purple or white; fruit about 1 cm. long, puberulent or short-villous 
above, the body indurate, 1-costate in the angles, 5-winged, the wings coriaceous, conspicuously 
veined, prolonged above the body and rounded, narrowed below; seed elliptic-oblong, 4-5 mm. 
long, brown. 
TyrE LocaLity: San Nicolas Island, California. . . 
DISTRIBUTION: Sandy seashores, San Nicolas and San Clemente islands, and on the adjacent 
coast of California. . 
ILnLustRations: Contr. U. S. Nat. Herb. 12: f. 51, pl. 28, 32; Proc. Calif. Acad. ITI. 1: pl. 8, 
f. 4a, 4b. 
10. Abronia umbellata Lam. Tab. Encyc. 1: 469. 1791. 
Tricratus admirabilis L’/Hér.; Willd. Sp. Pl. 1: 807. 1797. 
Abronia californica Raeusch. Nom. Bot. ed. 3.191. 1797. 
Abronia rotundifolia Gaertn. Fruct. 3: 181. 1807. 
Abronia glauca Menzies; Hook. Exot. Fl. pl. 194, as synonym. 1827. 
Abronia rosea Hartw.; Baxter, in Loud. Hort. Brit. Suppl. 479, hyponym. 1850. 
Perennial; stems slender, prostrate, 2-10 dm. long, sparsely or much branched, succulent, 
often tinged with red, viscid-puberulent or glabrous, the internodes usually longer than the 
leaves; petioles slender, 1-5 cm. long, viscid-puberulent or glabrous; leaf-blades irregular in 
outline, oval-ovate, rhombic-oval, oval, ovate, lance-elliptic, or lance-oblong, 1.5-7 cm. long, 
0.5-3.5 cm. wide, rounded to very acute at the base, rounded or obtuse at the apex, entire or 
subsinuate, succulent, sparsely viscid-puberulent or glabrous; peduncles slender, 3-15 mm. 
long, viscid-puberulent or glabrate; bracts lanceolate or linear-lanceolate, 5-7 mm. long, 
