Reports of explorations and surveys, to ascertain the most practicable and economical route for a railroad from the Mississippi River to the Pacific Ocean: Vol. 2, Pt. 2

BOTANY.
MENTZELIA (BARTONIA) NUDA, Torr. and Gray, Fl. 1, p. 534. Near Fort Atkinson; July.
CRYPTOTNENIA CANADENSE, DC. Prodr. 4, p. 119. Beyond Westport; June.
TRASPIUM CORDATUM, Torr. and Gray, Fl. 1, p. 615. Near Westport; June.
CONIOSELINUM CANADENSIS, Torr. and Gray, Fl. 1, p. 619. In the Rocky Mountains; August.
In flower only.
GALIUM CONCINNUM, Torr. and Gray, Fl. 2, p. 23. Beyond Westport, Arkansas River; June.
GALIUM BOREALE, Linn. In the Rocky Mountains; August.
OLDENLANDIA ANGUSTIFOLIA, Gray, P1. Wright. 2, 2p. 68. Beyond Westport; June.
BRICKELLIA GRANDIFLORA0 Nutt. in Trans. Amer. Phil. Soc. (n. ser.) 7, p. 287. Rocky Mountains; August.
ASTER MULTIFLORUS, Air. Utah Creek; August.
MACHRRANTHERA TANACETIFOLIA, Nees; Gray, Pl. Wright, l, p. 90. Fort Atkinson.
ERIGERON GLABELLUM, Nutt. Gen. 2, p. 147; Torr. and Gray, Fl. 2, 2. 173. Utah Creek;
August.
TOWNSENDIA FENDLERII, Gray, P1. Fendl. p. 70. Valleys in the Rocky Mountains; August.
COREOPSIS PALMATA, Nutt. Gen. 2, p. 180. Arkansas River.
GAILLARDIA PULCHELLA, Foug.; Torr. and Gray, Fl. 2, 2p. 366. Beyond Walnut Creek; July.
ACTINELLA LANATA, Nutt. Trans. Amer. Phil. Soc. 7, p. 380. White River Mountains, Utah;
October. The leaves are nearly smooth, and strongly punctate; awn of the pappus half as
long as the scale. Seems about intermediate between this species and A. Torreyana, Nutt.
ARTEMISIA FILIFOLIA, Torr. in A4nn. Lye. N. York, 2, p. 211. Sand-banks of Green River,
Utah; October.
ARTEMISIA DISCOLOR, Dougl.; Besser; DC. Prodr. 6, 2. 109. Roubideau's Pass, Rocky Mountains; Sierra Blanca.
ANTENNARIA LUZULOIDES, Torr. and Gray, Fl. 2, p. 430. Higher parts of the Rocky Mountains; August.
CACALIA TUBEROSA, Nutt. Gen. 2, p. 138. Beyond Westport; June.
TETRADYMIA INERMIS, Nutt. in Trans. Amer. Phil. Soc. 1. c. p. 415. Rocky Mountains; August.
LOBELIA LEPTOSTACHYS, Ailph. DC. Prodr. 7, p. 376. Prairie near Westport.
LYSIMACHIA CILIATA, Air. West from Westport, Arkansas River.
ASCLEPIAS PURPURASCENS, Linn. With the preceding.
ASCLEPIAS VERTICILLATA, Linn.; R. Torr. in Nicollet's Report,. 154. Fort Atkinson. This
is a dwarf variety, being often not more than 3-6 inches high.
ASCLEPIAS TUBEROSA, Linn. Beyond Westport, Arkansas River.
APoCYNuM CANNABINUM, Linn. Beyond Westport and Walnut Creek; June, July.
EUSTOMA RUSSELIANUM, D)on; Griseb. in )G. Prodr. 9, p. 51. Near Fort Atkinson; July.
GENTIANA AFFINIS, Grisebach, in Hook. Fl. Bor.-Am. 2, p. 56. In the mountains, near
Utah Creek; January.
IPOMA3A LEPTOPIRYLLA, Torr. in Frem. 1st Report, p. 94, and in Emory's Rep. 2. 148, t. 11.
Walnut Creek; July. Dr. James was mistaken in supposing this handsome species to be an
annual. It has a large perennial root, which has endured for four or five years in the Botanic
Garden at Cambridge.
PHLOX ARISTATA, Michx. 1, p. 144. West from Westport, Kansas; June.
GILIA PULCHELLA, Dougl. in Hook. Fl. Bor.-Am. 2, p. 74. Rocky Mountains; August.
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