45 PLANTS WRIGHTIANjE. v. 



116. E. AMORPHOiDES, var. foliolis majoribus, fere semipollicaribus. — Margins of 

 a creek, between the Pecos and the Limpia ; Aug. 



117. Petalostemon violaceum, Michx., var. pubescens {Gray, PI. Fendl. p. 33). 

 P. virgatum, Scheele in Linncea, 21. p. 461. Prairies, Austin, Texas. — From the 

 Snake Country, in the interior of Oregon, Mr. Burke sent to Sir Wm. Hooker dwarf 

 specimens of this variety, and from the Black Hills of the Platte both Burke and 

 Gordon have sent others, with densely pubescent leaves and even tomentose stems, 

 which I cannot otherwise distinguish from this species. Some specimens, having 

 long acuminate bracts, approach too near to P. decumbens, which is further distin- 

 guished chiefly by its broader leaflets. 



118. P. MULTiFLORUM, Nutt in Jour. Acad. Philad. 1. p. 92; Torr. Sf Gray, Fl. 1. 

 p. 309. Banks of the Medina Eiver, Western Texas ; June. 



119. Dalea erutescens. Gray, PI Lindh. 2. p. 175; forma spicis brevibus 

 capituliformibus.— Hill-sides in the Pass of the Limpia ; Aug. Also near Austin, 

 Texas. 



120. D. ERUTESCENS; forma spicis pi. m. elongatis laxifloris. — Hills west of the 

 Limpia ; Aug. Also on the Rio Grande, Texas. 



X D. FRUTESCENs; forma spicis mox elongatis densifloris. — Between Western 

 Texas and New Mexico, coll. of 1851. 



121. D. FORMOSA, Torr. in Ann. Lye. N. Y. 2. p. 178, fy Emory, Rep. t. 1 ; 

 Gray, PI. Fendl. p. 32. Hills along the San Pedro and Pecos; July. Shrub one 

 or two feet high. 



122. D. AUREA, Nutt. Gen. 2. p. 101; Gray, PI. Fendl p. 31. Prairies of the 

 Nueces ; June. 



123. D. NANA, Torr. in PI. Fendl. p. 31 ; Gray, PI. Lindh. 2. p. 175. Dry soil, 

 from Austin, Texas, to the mountains east of the Rio Grande, New Mexico. — 

 Leaflets varying from oval to linear-oblong. 



124. D. NANA, var. elatior (pedalis), foliolis sublinearibus. — Pass of the Limpia; 

 Aug. — Plant nearly as tall as some states of D. aurea, but more slender. 



125. D. LACHNOSTACHYS (sp. uov.) ; horbacca ; caulibus ramosis petiolis peduncu- 

 lisque glandulis conicis brunneis tuberculatis pubescentibus ; foliolis 9-11 ovalibus 

 obovatisve utrinque villosis juxta margines prsecipue grosse glandulosis ; spicis cy- 

 lindraceis densissimis; bracteis ovatis scariosis pubescentibus in acumen longum 

 viride florem subsequans productis caducis; calyce undique barbato-villosissimo, 

 dentibus aristatis tubo corollaque purpurea sequilongis ; carina petalis vix longiore ; 

 legumine villosissimo. — Hills about 80 miles west of the Pecos ; Aug. — A species 

 remarkable for its copious tuberculate (mostly conical) glands, and especially for the 

 thick and densely barbate-woolly spikes. These are two inches or less in length, 

 fully three fourths of an inch thick, on short peduncles ; and the calyces are sessile, 

 much crowded, 3 to 4 lines long, the campanulate tube sparsely glandular, the 

 limb of 5 subulate-aristate teeth, which are as long as the expanded corolla, the 

 whole exterior very thickly clothed with long and straight beard-like hairs, which 

 nearly conceal the corolla. The ovary is similarly bearded. The root is perhaps 

 perennial ; the suberect and thickish stems much branched, rather diffuse, a foot or 



