Ex. Doc. No. 41. 139 



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3 lines long, glabrous above, very villous, and furnished with 

 large dark colored glands toward the margin underneath; they are 

 obscurely toothed. The flowers are. in short dense spikes; calyx 

 with plumose subulate-setaceous teeth, which are as long as the 

 tube. This species was found on the Gila river. It is very near 

 D. ramosissima, Benth. in Bot. Sulph., p. 11 , t. 10. 

 ,The other species is canescently tomentose, and diffusely branched. 

 The leaflets are narrowly oblong, in three to four pairs, which are 

 distant. On both sides they are sparingly furnished with small red 

 glands, which are nearly concealed in the down. The flowers are 

 in short loose spikes, small, purple. Calyx-teeth subulate, shorter 

 than the tube, plumose, Found on the great desert west of the 

 Colorado. 



Petalostemon gracile, P. oHgophyllum. Stem erect; leaflets in 

 " 3; linear, slightly dotted underneath; calyx glabrous, longer 

 *han the subulate bracts, the teeth very short, ovate; petals ob- 



long. Valley of the Del Norte. 



JV*. York, 2. p. 192, t.2. 



ynezquite.) Abundant in the valleys of all the rivers, from Santa 

 ■cej ivest. The trunk of this tree is sometimes 14 inches in diam- 

 eter. The pods are longj flat, and filled with a sweetish pulph. 

 Iney are excellent food for horses, and are sometimes used by men 

 •m times of scarcity. 



f ■ (Strombocarpa) Emoryi, n, sp. Branches glabrous; spines in 

 P^irs, slender, short, straight, pinnse a single pair^ leaflets about 

 * pairs, oblong, somewhat coriaceous; the under surface, and 

 •^6 petioles somewhat pubescent; legume spirally twisted into a 

 compact^ cylinder. Found in fruit only; on the Gila river. This 

 species is nearly allied to the P. odorata of Fremont's 2d report, 



Q i! 1^ its shorter, broader, and less numerous leaflets. 



^^chrankia uncinata, Willd. On the Arkansas, where it is called 

 ^^nsthve vine, 



Darlingtonia brachyloba, DC. ' With the preceding. 

 »^everal other mimoseae are in the collection, but the specimens 

 ^^^^stly without leaves and flowers. 

 Cassia chamaDcrista, Li?i7i, On the Arkansas. 



ROSACEA. . 



Cerasus Hicifolius, JVm^^ Mountains of California. Thekernel 

 Of the fruit ha^ a strong flavor of bitter almonds. 



v^r^ yirginianum, Linn. On the Arkansas. ' 

 ^^*allugia paradoxa, Endl. gen. 6385, Sieversia paradoxa, Don. in 

 ^V\^-) trans. 14, p. .576, t. 22. A remarkable rosaceous shrub, with 

 lti\% ^"^^yers, and very long slender plumose tails to the carpels, 

 but T ^^^' in some respects, from Endlicher's character of the genus; 

 ^ t i. have not had an opportunity of comparing it with Don's de- 



o/^fi!^°^ ^^^ figure. It was found in various parts of the valley 

 "I the Del Norte. Can it be Geum dryadoides, DC.l 

 shr k'^1^^''^''^ parvifolius, JVw^if, Torr. and Gr.,Jl. 2, p. 4.27. A 

 ^0 about 12 feet high, with numerous straight branches springing . 



