ROSE—-MEXICAN AND CENTRAL AMERICAN PLANTS. 289 
Cuphea lutea Rose, Engl. Bot. Jahrb. 41: 87. 1907. 
Annual; stems (and foliage) yellowish green, slender, much branched, clothed 
with long spreading purplish bairs and a fine short pubescence arranged in lines; 
leaves petioled, lanceolate, obtuse, pubescent with long scattered hairs and short 
hispid hairs; calyx short-pediceled, 7 to 8 mm. 
long, usually with none but the long spreading 
hairs, yellow green to purplish brown; dorsal sepal 
much longer; two dorsal petals 6 to 7 mm, long, 
purplish; 4 ventral petals yellow, narrow, 2 mm. 
long. 
Specimens examined: 
Oaxaca: Valley of Oaxaca, Nelson, September 
20, 1894 (no. 1457a); Pringle same year and 
locality (no, 5725) ; Cuicatlan, Nelson, 1894 
(no. 1689), type; Telixtlahuaca, Lucius ©. 
Smith, 1895 (no. 536). 
This species resembles C. tolucana, but is more 
branched, has the ventral petals yellow, etc. 
Cuphea painteri Rose, Engl. Bot. Jahrb, 41: 91. 
1907. PiGure 31. 
Perennial, somewhat frutescent at base, 30 to 90 
em. tall, somewhat branching; the old stems 
shreddy at base, above bearing stiff reflexed hairs 
with scattered spreading longer ones and in the 
inflorescence somewhat viscid; leaves lanceolate, 
4 to 6 cm. long, acute, cuneate at base, roughened 
on both sides, borne on short slender petioles; 
inflorescence a narrow panicle, 5 to 20 cm. long; 
bracts linear; pedicels slender; corolla lilac-colored, 
setose, 14 mm. long, glabrous within and with two 
Fic, 31.—Flower and ovary of Cuphea 
painteri. a, Natural state; b, with- 
out petals, opened; ¢, ovary with 
basal gland. Scale 2. 
longitudinal wings; spur pronounced, rounded; petals deep lilac, the 2 dorsal nearly 
orbicular, 6 mm. long including the short claw; the 4 ventral ones orbicular, sessile, 
half as long as the dorsal ones; stamens 11; style and cap- 
sule glabrous; gland reflexed; seeds about 20. 
Collected at Etzatlan, Jalisco, Mexico, by J. N. Rose and 
Jos. H. Painter, October 2, 1903 (no, 7532), and at the same 
locality later by C. G. Pringle (no. 8770). 
This species in habit and foliage resembles C. hookeriana, 
Fig, 32.—Flower of Cupheca 
viscosa, a, Natural state; 
b, without petals, opened. 
Scale 2. 
but is quite different in the color of the calyx, petals, ete. 
| found this species on the same mountain as the latter, but 
not at as great an elevation. 
Cuphea viscosa Rose, Engl. Bot. Jahrb. 41: 5. 1907. 
FIGURE 32. 
Annual; stems branching; branches slender, terminating 
in long slender erect racemes, clothed with short clammy 
pubescence; leaves lanceolate, cuneate at base, slender- 
petioled, the margin and petiole glandular-ciliate, the two 
surfaces .glabrate; pedicels 5 to 6 mm. long, glandular- 
pubescent; calyx 8 mm. long, slender, hirsute with purplish 
hairs below, these especially noticeable in unopened flowers, much enlarged and 
nearly glabrous above; dorsal Jobe enlarged; petals 6, the 2 dorsal ones purplish, 
oblong, obtuse, 6 mm. long, including the slender claw, the 4 ventral linear, 3 mm. 
