Parr 3, 1918] ALLIONIACEAE 249 
13. Abronia mellifera Dougl. Bot. Mag. 56: pl. 2879. 1829. 
Abronia Menziesii Dougl.; Hook. Fl. Bor. Am. 2: 125, as synonym. 1838. 
Abronia vespertina Dougl.; Hook. Fi. Bor. Am. 2: 125, assynonym. 1838. 
Abronia Suksdor fii Coult. & Fisher, Bot. Gaz. 17: 348. 1892. 
Abronia lanceolata Rydb. Bull. Torrey Club 29: 685, 1902. 
Perennial; stems few or numerous, stout or slender, erect or decumbent, 2-6 dm. long, 
copiously or sparsely branched, whitish, minutély viscid-puberulent or glabrate, the internodes 
short or elongate; petioles slender, 1-5 cm. long, puberulent or glabrate; leaf-blades mostly 
ovate-oblong, sometimes suborbicular, rhombic-ovate, oval, or lance-elliptic, 1.5-6 em. long, 
1-4 cm. wide, rounded to acute at the base, rounded to acute at the apex, entire or subsinuate, 
minutely puberulent or glabrate; peduncles slender, 4-20 cm. long, minutely viscid-puberulent 
or glabrate; bracts linear-lanceolate to lance-oblong, 5-10 mm. long, 2-3 mm. wide, or rarely 
wider in age, acute to attenuate, scarious, white, minutely viscid-puberulent or glabrate; 
flowers numerous, the perianth 22-30 mm. long, obscurely puberulent or glabrous, the tube 
very slender, greenish-white, the limb 8-11 mm. broad, white; fruit 7-10 mm. long and of 
about the same breadth, subcoriaceous or thick-coriaceous, minutely puberulent, usually 
stramineous, commonly 5-winged, the wings thin, narrowed below, truncate above, or some- 
times slightly prolonged above the body and rounded; seed elliptic-oblong, 2.5~3 mm. long, 
dark-brown. 
Tver LocaLiry: Near the Great [Celilo] Falls of the Columbia River, Oregon or Washington. 
DISTRIBUTION: In sand or sandy soil, Idaho and eastern Washington and Oregon. 
ILLUSTRATIONS: Contr. U. S. Nat. Herb. 12: f. 66, 67. 
IV. Nanae. Cespitose perennials with branched caudices, appearing acaulescent. 
Leaves crowded, apparently basal, the blades narrow or broad. Peduncles scapelike. Bracts 
stnall and narrow or large and broad. Perianth white (unknown in one species). Fruit 
deeply lobed, the lobes winglike. 
14. Abronia Covillei Heimerl, Smithson. Misc. Coll. 52: 197. 1908. 
Abronia nana Coville, Contr. U. S. Nat. Herb. 4: 178. 1893. Not A. nana S. Wats. 1870. 
Densely cespitose perennial from a thick woody root, the caudex much branched, the 
very stout branches interlaced, 3-4 cm. long, bearing dense fascicles of leaves; petioles 1-4 cm. 
long, puberulent; leaf-blades ovate-rhombic, ovate, ovate-oblong, oval, or suborbicular, 7-16 
mm. long, 5-11 mm. wide, acute to truncate at the base, rounded or very obtuse at the apex, 
thick, entire, concolorous, minutely puberulent; peduncles scapelike, 1.7—10 cm. long, slender, 
minutely hirtellous or puberulent; beads 6-many-flowered, the 4-6 bracts lanceolate or nar- 
rowly oblong, 6-8 mm. long, 2 mm. wide, acute or attenuate, scarious, densely and finely 
puberulent; perianth 11 mm. long, finely puberulent, the limb about 8 mm. wide, white; 
stamens 5-7: fruit turbinate, 7-8 mm. long, thin, deeply lobed, puberulent above, glabrous 
below. 
Typx Locality: Inyo Mountains, Inyo County, California. 
DistRIBUTION: Inyo and San Bernardino counties, California. 
ILLUSTRATION: Contr. U. S. Nat. Herb. 12: pl. 34. 
15. Abronia nana S. Wats. Proc. Am. Acad. 14: 294. 1870. 
Abronia nana lanciformis M. E. Jones, Contr. West. Bot. 11: 2. 1903. 
Cespitose perennial from a thick woody root, the caudex sparsely branched, the branches 
stout, ustially covered by the persistent imbricate petioles; leaves fasciculate, the slender 
petioles 1-5.5 cm. long, the blades oval, suborbicular, ovate, or oblong-elliptic, 1-2.5 cm. 
long, 0.5-1.4 cm. wide, acute to rounded at the base, rounded to acutish at the apex, thick, 
entire, concolorous, finely short-vilious or minutely hirtellous when young, usually glabrate 
in age; peduncles scapelike, slender, 7-15 cm. long, viscid-villous; heads many-flowered, the 
bracts broadly oval, oval-ovate, or oblong, 8-10 mm. long, 4-6 mm. wide, obtuse and apiculate 
to acutish at the apex, scarious, glandular-puberulent and short-villous; perianth white, 2~2.5 
cm. long, the slender tube giandular-puberulent or short-villous, the limb 7-8 mm. broad; 
