355 
Gray.)—Ravines and valleys, from the Pecos to the Cibola (Presidio County); rare. 
August, 
+ + + Fruit turbinate: flowers fasciculate. 
4. B. eriosolena Gray. Annual, glabrous (glutinous above), erect, 9 dm. high: 
stems rather stout, with flowering branches naked: leaves fleshy, ovate or orbicu- 
lar-subcordate, 3 to 6 em. broail, denticulate: pedicels short (2 to 4mm. long), 3 or 
4 together at each node of the elongated branches of the cymosely-paniculate inflor- 
escence: calyx-tube 3mm. long, very villous with long and spreading or implexed 
hairs; the limb 8 to 10 mm. broad, rose-colored: fruit (immature) 4 mm, long, glab- 
rous, with truncate apex.—Gravelly plains in the Great Bend of the Rio Grande, and 
below the Great Canon; rare. September. 
5. B. leiosolena Gray. Perennial: stem glabrous, naked above, erect, 6 to 9 dm. 
high: leaves 2 or 3 pairs near the base of the stem, round-cordate, 4 to 7 cm. broad, 
tuberculate-glandular on both sides: branches of panicle distant, naked, few-flow- 
ered toward the summit: calyx-tube elongated (2.5 em. long), glabrous: fruit 5 mm. 
long, with conical apex.—Gypseous soils of the Great Cation, and on tributaries of 
the Pecos. June. 
* * * Fruit 5-ribbed or 5-angled. 
+ Flowers spicate: stamens 3, exserted. 
6. B. spicata Choisy. Low erect pubescent annual: leaves lanceolate, acute, un- 
dulate and pubescent on the margin: flowers mostly solitary and scattered along the 
slender branches: calyx 4 mm. long: fruit very short-pediceled, glabrous, rounded 
at apex.—In the Great Canon of the Rio Grande, and in a cation leading to San 
Carlo Crossing; rare. 
7. B. bracteosa Watson. Near the last: glandular-pubescent and viscid annual, 
6 dm. high, leafy below; leaves ovate-lanceolate to lanceolate, undulate, acute or 
acutish, subcordate at base: flowers spicate on the slender branches of the panicle: 
bracts conspicuous, pink, oblong-lanceolate, acuminate, 3 mm. long, persistent as 
long as the fruit or longer: calyx small, 2 mm. long: fruit oblong-obovate, rather 
acutely ribbed.—In the Great Cajon of the Rio Grande. September. 
+ + Flowers fasciculate. 
++ Leaves linear. 
8. B. linearifolia Gray. Diffusely many-stemmed, glandular-viscid or villous: 
leavesvery short-petioled, linear and lanceolate, mucronate-acute, thick, with revolute 
and searcely hispid margin: tlowers effusely cymose, short-pedicellate, with 3 to 5 per- 
sistent bractlets: perianth purple, the limb rotate when fully expanded and 13 mm, 
broad: stamens 5: fruit oblong-clavate, glabrous, obtuse, 3 mm. long.—Arid soils, 
from Tom Greene County to San Diego and the Lower Rio Grande. June-August. 
9, B. tenuifolia Gray. Low, procumbent, with the very slender stems leafy be- 
low, viscid above: leaves subsessile, linear-lanceolate, mucronate-acute, 2 to 3 cm. 
long, thick, with revolute and smooth margin: inflorescence few-flowered, loose: 
bractlets 3 to 5, persistent, ciliate: calyx pubescent, rotate, 7mm. broad: stamens 
3: fruit oblong, 3 mm, long, smooth, obtuse.—Camp Charlotte (Ixion County). 
++ ++ Leaves broader. 
10. B. purpurascens Gray. Stems ascending, 15 to 30cm. high, loosely branched, 
from an annual root: branches very glandular-viscid: lower leaves oval or oblong 
(12 to 36 mm. long), obtuse, pale below, often purplish, elabrous; upper leaves linear- 
lanceolate, slightly glandular: peduncles paniculate, with 5 to 8-flowered capitate 
fascicles: bracts purplish and very viscid, enveloping the fruit, at last deciduous: 
