t 
236 New Species of Mexican Plants. [ZOE 
oblong, acuminate, cuneate at base, 1-2 cm. long, 4-7 mm. wide; 
petiole 2 mm. long: flowers on pedicels 2 mm. long, 1-2 from the 
axils of the leaves: calyx parted nearly to the base into 5 ovate- 
lanceolate lobes 3 mm. long; corolla campanulate, deeply parted 
into ligulate lobes that slightly exceed the calyx: scales of the 
corona distinct, longer than the inflexed tips of the anthers and 
shorter than the 2-lobed stigma: fruit unknown. 
Collected near Tehuacan, Puebla, on rocks. No. 1325. 
Gilia (Collomia) lithospermoides. Many unbranched stems 
from an indurated root, pubescent: leaves pinnatified with 1-3 
pairs of linear, mucronate lobes, gradually changing above into 
the linear bracts of the inflorescence, alternate, sessile, 10-15 
mm. long, tomentose: flowers, 2-3, sessile in the axils of the 
bracts; calyx teeth acuminate, half as long as the slightly pubes- 
cent tube; corolla yellow with purple dots or lines on the lobes, 
13 mm. long, 3-4 times the length of the calyx, the tube gradu- 
ally expanding to the spreading, oblong, 3 mm. long, rounded 
lobes; stamens unequally inserted on filaments 1 mm. long; an- 
thers not twice as long as wide, sagittate; cells of the ovary 4-5- 
ovuled. 
Collected at Pachuca, Hidalgo, July, 1905, in moist open woods 
of the mountains. 
» Citharexylum pauciflorum. Fruticose, branches dark-chest- 
nut color, young growth ash-colored: leaves oblong-ovate, acu- 
minate, long-attenuate to the sessile base, glabrous, punctate 
especially on the lower surface; inflorescence axillary in 1-3 
leaved racemes that are about 5 mm. long, 2-flowered; pedicels 4 
mm. long, jointed at the middle: calyx 2 mm. high, truncate, 
slightly fimbriate; corolla, tubular, dull white, 3 mm. long, 
pubescent in the throat; lobes oblong, rounded: stamens 4-5: 
fruit 5 mm. in diameter, red, 
A shrub having the appearance of a Lycium and near C. 
lycioides, but differing from its description enough to be consid- 
ered distinct. Collected near Ixmiquilpan, Hidalgo, on moun- 
tain slopes. No. 1449. 
Holographis (?) ilicifolia. Frutescent, intricately branched; 
stems minutely, retrorsely white-pubrescent: leaves nearly sessile, 
