Plantae novae Mexicanae a C. A. Purpus collectae. 37T 
13. Gilia (Collomia) lithospermoides T. S. Brandegee, l. c., p. 236. 
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 pubescent tuoe; corolla 
yellow with purple dots or lines on the lobes, 13 mm long, 3—4 times 
the length of the calyx, the tube gradually expanding to the spreading, 
oblong, 3 mm long, rounded lobes; stamens unequally inserted on fila- 
ments 1 mm long; anthers not twice as long as wide, sagittate; cells of 
the ovary 4—5-ovuled. 
Mexico: Collected at Pachuca, Hidalgo, July, 1905, in moist open. 
woods of the mountains. 
14. Citharexylum pauciflorum T. S. Brandegee, |. c., p. 236. 
Fruticose, branches dark-chestnut color, young growth ash colored: 
leaves oblong-ovate, acuminate, long-attenuate to the sessile base, glabrous, 
punctate especially on the lower surface; inflorescence axillary in 1-—3. 
leaved racemes that are about 5b 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 deseription enough to be considered distinct. 
Mexico: Collected near Ixmiquilpan, Hidalgo, on mountain slopes. 
No. 1449. 
15. Holographis (?) ilicifolia T. S. Brandegee, l. c., p. 236. 
Frutescent, intricately branched; stems minutely, retrorsely white- 
pubescent: leaves nearly sessile, coriaceous, orbicular, spinose-toothed, 
 5—' mm in diameter, puberulent: flowers solitary in the axils of the 
bracts of short spikes: calyx 2-bracteolate, the bracteoles slightly smaller 
than the 2 mm long braets; lobes 5, separated to the base, lanceolate, 
7mm long, puberulent: corolla bilabiate; upper lip erect, sliphtly 2-lobed; 
lower lip 3-parted into broad spreading lobes; ampliated throat as long 
as the tube, equalling the calyx lobes: stamens 4, inserted at top of 
tube; sparingly hirsute; anthers, 1-celled, dorsifixed nearly at the base, 
mutieous, linear, pubescent at tips: style filiform, widened at the apex: 
capsule oblong, 4-seeded; seeds densely covered with white, branched hairs. 
This plant is not strictly congeneric with the little known genus 
Holographis, but it seems best to place it there. 
Mexico: Collected at Pena, Coahuila, growing on rocks. No. 1327. 
16. Carlowrightia angustifolia T. S. Brandegee, |. c., p. 237. 
Frutescent, much branched, minutely scabrous in two narrow, vertical 
lines, striate; upper part, bracts and bracteoles glandular: leaves 2 mm 
wide, 1 cm long or less, linear, acuminate, scabrous on the upper face, 
margins revolute, ciliate near the base with a few soft hairs: inflorescence 
spicate or rarely paniculate; corolla purple, 9 mm long; tube 5 mm long; 
