40 BOTANY OF DR. A. WISLIZENUS’S EXPEDITION 
aristata, Enothera Missouriensis, serrulata, speciosa, &c., Pentstemon Cobaea, Astragalus caryocarpus 
(common as far west as Santa Fé), Delphinium azureum, Buptisia australis, Malva Papaver, 
Schrankia uncinata and angustata, Echinacea angustifolia, Aplopappus spinulosus, Gaura coccinea, 
Sida coccinea, Sophora sericea, Sesleria dactyloides, Hordeum pusillum, Engelmanniu pinnatifida, 
Pyrrhopappus grandiflorus, Gaillardia pulchella,* Argemone Mexicana (with very hispid stem and 
large white flowers). 
The plants collected between the Arkansas and Cimarron rivers are rarer, some of them 
known to us only through Dr. James, who accompanied Long’s expedition to those regions in 
1820. We find here Cosmidium gracile, Torr. and Gr., which has also been collected about 
Santa Fé and farther down the Rio Grande; Cucumis? perennis, James, found also near [88 (4)] 
Santa Fé and about Chihuahua, and by Mr. Lindheimer, in Texas; the petals being united 
about two-thirds of their length, it cannot be retained under the genus Cucumis; Hoffmannseggia 
Jamesii, T. and G., was also gathered on this part of the journey; several species of Psoralea, 
Petalostemon and Astragalus; also Torrey’s Gaura villosa and Krameria lanceolata; Erysimwm 
asperum, Which before was not known to grow so far south; Polygala alba, Lygodesmia juncea. 
Here we also, for the first time, meet with Rhus trilobata, Nutt., which, farther west, becomes 
a very common plant.~_ A new Talinum, which I have named 7" calycinum; was found in 
sandy soil on the Cimarron. This plant has, like the nearly allied 7. teretifolium of the United 
States, a remarkable tenacity of life, so much so that specimens collected, pressed and “ dried,” 
in June, 1846, when they reached me in August, 1847, fourteen months later, grew vigorously after 
being planted. 
Psoralea hypogea, Nutt., was collected near Cold Spring, and Yucca angustifolia, from here to 
Santa Fé. 
From Cedar Creek the mountainous region commences with an elevation of near 5,000 feet 
above the Gulf, and extends to Santa Fé to about 7,000 feet. With the mountains we get also to 
the region of the pines, and of the cacti. Dr. Wislizenus has here collected two species of Pinus, 
both of which appear to be undescribed, so that I venture to give now a short account of them. 
The most interesting one, on account of its useful fruit, as well as its botanical associa- 
tions, is the nut pine of New Mexico (Pifion), Pinus edulis? nearly related to the nut pine of 
1 TALINUM CALYCINUM, n. sp.: rhizomate crasso, caulibus demum ramosis ; foliis subteretibus elongatis, basi 
triangulari productis; pedunculis elongatis nudis; cyma bracteosa; sepalis 2 ovato-orbiculatis, basi productis, cus- 
ORY aan pete petalis fugacibus calycem bis superantibus; staminibus sub 30; stylo elongato, stigmatibus 3 
poutine abe soil on the Cimarron, fl. in June. Differs from T. teretifolium by its larger leaves, larger flowers, much 
larger persistent sepals, larger fruit and seed. Leaves 1} to 2 inches long, flowers 10 to 11 [15] lines in diameter; 
capsule and seeds twice as large as in T. teretifolium. 
EDULIS, n. sp.: squamis turionum ovatis acutis adpressis ; laciniis vaginarum abbreviatarum circinato- 
revolutis, demum deciduis; foliis binis brevibus rigidis, curvis, tenuissime striatis, margine levibus, supra concavis 
glaucis, subtus convexis viridibus; strobilis sessilibus erectis, subgloboso conicis, squamis apice dilatato pyrami atis, 
inermibus; seminibus obovatis, apteris, magnis, testa tenuiore. 
Not rare from the Cimarron to Santa Fé, and probably throughout New Mexico, A small tree, 10 to 20, rarely 
30 feet high; trunk 8 to 12 inches in diameter ; leaves 12 to 18 lines long, and, as is the case in all other pines, con- 
cave on the inner or upper surface when in twos, and carinate when in threes, which in our species is very seldom the 
case. Cones about 18 lines in diameter; seeds about 6 lines long, and 4 in diameter; shell much thinner than a 
hazel-nut’s ; kernel, when slightly baked, very pleasant. 
* Abundant in the sands about the Arkansas River, with Fendler, a young German collector, who has investigated the 
beautiful flowers, but only about 6 inches high ; certainly regions about Santa Fé during last season (1847), and bas 
annual, made most valuable and well-preserved collections, some sets 
+ Like many other plants mentioned here, it has been of which he offers for sale, I shall repeatedly be obliged to 
collected in abundant and beautiful specimens by Mr. A. refer to him when speaking of the flora of Santa Fé. 
