62 POLEMONIACEAE, Vor, UI. 
7. Gilia acerdsa (.\. Gray) Britton. Needle-leaved 
Gilia. Vig. 3478. 
G, rigidula var, acerosa A, Gray, Proc. Am. Acad, 8: 280. 1870, 
Gilia acerosa Britton, Man, 761. 1901, 
Perennial, from a woody base, 4’-7’ high, glandular-pubes- 
cent, bushy-branched, the slender branches erect-ascending, 
Leaves 1’ long or less, pinnately parted into 3-7 acicular en- 
tire segments; flowers scattered, on slender pedicels 1’ long 
or less; corolla rotate, about 10” wide, its lobes rounded at 
the apex, abruptly contracted at the base; filaments filiform; 
anthers oblong; capsule about as long as the calyx-tube. 
Rocky and gravelly soil, Kansas to Texas, Mexico and New 
Mexico. April-Aug. 
4. LEPTODACTYLON H. & A. Bot. Beech. Voy. 369. 1841. 
Low perennial herbs, somewhat woody, with alternate deeply pinnatifid or palmatifid 
leaves, their segments subulate and spinescent, the rather large flowers terminal, clustered or 
solitary. Calyx 4-5-lobed, the lobes spinescent, the sinuses not scarious but membranous. 
Corolla funnelform, 4-5-lobed, the lobes somewhat spreading. Stamens short. Capsule at 
length distending the calyx-tube, many-seeded. [Greek, referring to the deeply divided 
leaves. ] 
Three or four species, natives of western North America, Type species: Leptodactylon cali- 
fornicum H,. & A. 
1. Leptodactylon caespit6sum Nutt. Tufted Sharp-leaved Gilia. Fig. 3470. 
L. caespitosum Nutt. Journ, Acad. Phila. I1].1:157. 1847. 
Gilia pungens caespitosa A, Gray, Proc, Am. Acad, 8: 
268. 1870. 
Gilia caespitosa A. Nelson, Bull, Torr. Club 25: 546. 
1898. Not A. Gray. 
Much branched and tufted from a thick buried 
woody base, 3’-5’ high. Leaves densely fascicled a 
and imbricated, 3-5-parted, 4” long or less, the seg- 
ments subulate, spinulose-tipped, glabrous, or the 
margins ciliate; bases of the old leaves persistent; 
calyx about half as long as the corolla-tube, 4-lobed, 
the lobes subulate; corolla white or yellowish, sal- 
verform, the tube about 6” Jong, the limb 4-lobed; 
stamens 4. 
P Dry bluffs, western Nebraska and Wyoming. June- 
ept. 
Leptodactylon pingens Nutt. [Gilia pringens (Torr.) Benth.J, of western North America, illus- 
trated in our first edition, where the above species was regarded as a varicty of it, is not known 
to occur within our area. 
