= 
ROSE—MEXICAN AND CENTRAL AMERICAN PLANTS. 301 
glands single, yellowish, fringed with short hairs; sterile stamen 3 mm. long. 
purplish. 
Collected by Lucius C. Smith near Jaquacatian, Oaxaca, altitude 1,290 meters, 
November 4, 1895 (no, 294). 
Type U. 8S. National Herbarium no, 474852. 
Lopezia stricta Rose, sp. noy. Frauke 47. 
Annual; stems rather strict, with a few erect branches, clothed with a short dense, 
somewhat reflexed pu- 
bescence; leaves lance- 
olate, somewhat mottled 
with red, short-petioled, 
obtuse, a little pubescent 
on both surfaces, the 
margins undulate; pedi- 
cels 2 to 3 ecm. long; 
sepals linear, dark red, 
glabrous; petals pale 
pink (nearly white in 
herbarium specimens), 
the two lower 8 mm. 
long, including the slen- 
der claw, rounded at 
apex, the two upper Hi 
nearly linear, with two / 
appendages below and 
each bearing two glands at the top of the claw; sterile stamen shorter than the 
petals and deeper-colored; capsule orbicular, glabrous. 
Collected by J. N. Rose in the Sierra Madre west of Bolanos, Jalisco, September 
15 to 17, 1897 (no. 2979). 
Perhaps nearest Lopezia mexicana H.B.K., but with paler petals and smaller glands 
on the upper petals. 
Type U.S. National Herbarium no, 301755 
Fie. 47.—(a) Flower and (}) stamen of Lopezia stricta. Scale 2 
Lopezia violacea Rose, sp. nov. FIGuRE 48. 
Annual, branching throughout, glabrous or 
with a short crisp pubescence; leaves alternate, 
lanceolate, short-petioled, rounded or broadly 
cuneate at base, obtuse, denticulate, glabrous; 
racemes terminating branches; pedicels slender, 
12 to 18 mm. long; sepals linear, red, glabrous; 
petals violet, the two lower nearly orbicular, 
tapering below into a slender claw, the two 
upper spatulate-oblong, two-horned below and 
bearing each two glands at the top of the claw; 
sterile stamen shorter than the petals and paler 
in color; capsule orbicular, glabrous. 
Collected by C. G. Pringle on the Sierra de 
Tepoxtlan, Morelos, altitude 2,350 meters, October 30, 1900 (no. 8358). 
Tvpe U.S. National Herbarium no, 381869. 
Fig. 48. Flower of Lopezia violacea, 
Scale 2. 
APIACEAE. 
A NEW SPECIES OF ARRACACIA AND ONE OF PRIONOSCIADIUM. 
Arracacia purpusii Rose, sp. nov. 
Stems herbaceous from slender rootstocks, glabrous, 30 to 40 cm. high; leaves 2-ter- 
nate; leaflets ovate, acute, 1 to 2.5 cm. long, serrate, glabrous; rays 5 to 7, nearly 
