[Vor. 5 
148 ANNALS OF THE MISSOURI BOTANICAL GARDEN 
variety Griffithsu. Probably it is only in southern New 
Mexico and territory adjacent that the three phases are found 
together. Forms with glabrous pods occur occasionally 
throughout the species, and this character is in no way a 
specific one. 
la. Var. Griffithsii (Wooton & Standley), n. comb. 
D. Griffithsu Wooton & Standley, Contr. U. S. Nat. Herb. 
16 : 124. 1913. 
Distribution: western Texas, New Mexico, Arizona, 
southern Utah, and southern Nevada. 
1b. Var. Palmeri, n. var.! 
Pubescence very dense, almost velvety; stems about 5 dm. 
high, stout, branched upwards, branches strict, erect, leafy; 
cauline leaves thick, sessile or nearly so, ascending, lanceolate, 
2-3.5 em. long, entire or shallowly toothed, margins undu- 
late. 
Distribution: from southwestern Oklahoma, through north- 
western Texas to southern New Mexico. 
Specimens examined: 
Oklahoma: Cimarron River, July 12, 1899, White 155 (Mo. 
Bot. Gard. Herb.) ; sand by creek, near Granite, Greer Co., 
June 17, 1913, Stevens 1036 (Mo. Bot. Gard. Herb.) ; Greer 
Co., July 18, 1901, White (Rky. Mt. Herb.) ; Red River Val- 
ley, July 12, 1903, Duncan 79 (Mo. Bot. Gard. Herb.) ; Wood- 
ward Co., June 28, 1900, White (Rky. Mt. Herb.). 
Texas: saline sands, Estelline, June 1, 1902, Reverchon 
2971 (Mo. Bot. Gard. Herb.); sandy ground near Colorado, 
June 9, 1900, Eggert (Mo. Bot. Gard. Herb.) ; salty sands, 
Colorado City, April 1882, Reverchon (Mo. Bot. Gard. 
Herb.) ; sandy open ground, Big Spring, Howard Co., July 9, 
1917, Palmer 12493 (Mo. Bot. Gard. Herb.), түре. 
New Mexico: Arroyo Ranch, near Roswell, May, 1903, 
Griffiths 4266 (Mo. Bot. Gard. Herb.). 
* Dithyrea се Engelm., var. Palmeri, var. nov., robusta plerumque 
stricta circa m, à superne ramosa, pube ramosa brevi velutin ha; ramis 
foliosissimis strictis; "foliis caulinis sessilibus vel fere se ай вов поп patentibus 
lanceolatis basi truncatis 2-3,5 em. longis.—Collected on sandy open ground, Big 
Spring, Howard Co., Texas, July 9, 1917, "Palmer 12493 (Mo. Bot. Gard. Herb.), 
ТҰ 
