300 CONTRIBUTIONS FROM THE NATIONAL HERBARIUM. 
Lopezia parvula Rose, sp. nov. 
Figure 44. 
Delicate annual, 10 to 25 em, high, erect, nearly simple, with scanty short pubes- 
Fig. 44.—Flower and flower parts of Lopezia parvula. a, 
Flower; b, petal with gland; ¢, stamen. Scale 2 
cence disposed in horizontal 
bands; leaves lanceolate, thin, 
ciliate, the lower ones opposite, 
the upper ones alternate; calyx 
buds glabrous, withashort blunt 
tip; sepals pale, tinged with 
pink; two lower petals spatu- 
late, gradually tapering to the 
base; two upper petals pale pur- 
ple, spatulate, not appendaged 
below, bearing a single gland at 
the top of the spur; sterile 
stamen pale purple; capsule 
glabrous. 
Collected by E. W. Nelson 
near La Providencia, Durango, 
altitude 1,960 to 2,400 meters, September 11, 12, 1898 (no, 4987). 
‘Type U. 8. National Herbarium no. 
333016. 
Lopezia pringlei Rose, sp. nov. 
FIGureE 45. 
Annual, 40 to 56 em. high, somewhat 
branching above, the pubescence rather 
scanty, chiefly of short crisped hairs or 
with some stipitate glands in the upper 
part; leaves alternate, lanceolate, acute, 
tapering at base into a short petiole, 
somewhat pubescent on both surfaces, 
thin, subentire; inflorescence a slender 
leafy raceme; bracts narrow, acute; pedi- 
cels 5 to 7 mm. long, glabrous; sepals 
glabrous, red; petals violet, the two lower 
spatulate, the two upper linear, not ap- 
( 
Fria. 45.—Flower and petal of Lopezia pringlei. a, 
Flower: b, side view of petal showing gland. 
Seale 2. 
pendaged below, bearing each a single gland: capsule globular, glabrous. 
Fic, 46.—(@) Flower and (6) stamen of Lopesia simithii. 
Collected by C. G. Pringle on 
the Sierra de San Filipe, Oaxaca, 
altitude 3,000 meters, 1906 (?) 
(no, 6005, type), and by E, W. 
Nelson near Reyes, Oaxaca, 
October 17, 1904 (no. 1716). 
Tvpe U.S. National Herbarium 
no. 461987. 
Lopezia smithii Rose, sp. nov. 
FIGurE 46, 
Annual, 6 to 7 em. high, 
slightly winged, pubescent, 
much branched; leaves sessile or 
nearly so, acute, cuneate at base, 
crenate; pedicels slender, 12 to 
15 mm. long; flower parts all 
purplish; sepals linear, 4 mm, long; two lower petals 6 mm. long, obovate, tapering 
into a long slender claw; upper petals with linear blade, not auriculate at base. 
