[Vol. 8 
192 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
ulate, claw somewhat broadened at the base; filaments linear; 
fruiting inflorescence elongated; pedicels ascending, horizontal 
or recurved, usually sigmoid, 1 em. or less long; pods erect, hor- 
izontal or, rarely, nearly pendent, sessile, or substipitate, sparsely 
stellate-pubescent, globoseorslightly elongated, 3-5 mm. in diam- 
eter; styles 2-3 mm. long; septum nerved, areolae somewhat tor- 
Cavan: ovules 4-6 in each cell, funiculi attached to septum for 
about one-half their lengths; seeds flattened, not winged. 
Distribution: southern Utah, western Arizona, southeastern 
Nevada, California, and northern Lower California. 
Specimens examined: 
Utah: southern Utah, 1875, Johnson (U. S. Nat. Herb.). 
Arizona: Beaverdam, April 5, 1894, Jones 5024e (U. S. Nat. 
Herb.) ; mesa north of Pheenix, Feb. 9, 1912, Wooton (U. S. Nat. 
Herb.); Hassayampa Valley, April 12, 1876, Palmer 570 (U. S. 
Nat. Herb. and Mo. Bot. Gard. Herb.); Yucca, March 12, 
1912, Wooton (U. S. Nat. Herb.); Yucca, May 13, 1884, Jones 
3879 (U. S. Nat. Herb.). 
Nevada: at base of cliffs, Meadow Valley Wash, April 6, 1905, 
Goodding 2155 (Rky. Mt. Herb.); Bunkerville, April 6, 1894, 
Jones 5029b (U. S. Nat. Herb.) ; among the undershrub, Moapa, 
April 8, 1905, Goodding 2184 (Rky. Mt. Herb. and Mo. Bot. Gard. 
Herb.); Moapa, Lincoln County, May 12, 1905, Kennedy 1096 
(U. S. Nat. Herb.); Vegas Wash, Lincoln County, near its junc- 
tion with the Colorado River, March 11, 1891, Coville & Funston 
406 (U. S. Nat. Herb.). 
California: Canyon Springs, Riverside County, April 22, 1905, 
Hall 5845 (Rky. Mt. Herb.) ; Salvation Springs, Riverside County, 
April 24, 1905, Hall 5882 (U. S. Nat. Herb.). 
Mexico: 
Lower California: Topo Canyon, July 9, 1884, Orcutt 1099 (Mo. 
Bot. Gard. Herb.). 
L. Palmeri has usually been confused with Gordonii from 
which it is separated by its sparsely stellate, rather than. gla- 
brous, and sessile or subsessile, rather than stipitate, pods. It 
is usually a more slender plant than L. Gordonii and the stems 
seem less inclined to branch. The pedicels are at times recurved 
and so suggest the recurvata group but they nearly always show 
a noticeable tendency to become S-shaped. This species is 
