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. 6, Pt. 3

BOTANY.
LUPINUS LEPIDUS, Dougl. in Bot. Beg. t, 1149; Torr. & Gray, Flor. 1, p. 374. Banks of
Hat creek, California.
LUPINUS MACRocARPUS, Hook. & A4rn. Bot. Beech. p. 138. About San Francisco, California.
Shrubby; flowers verticillate.
LUPINUS LEUCOPHYLLUS, Lindl. Bot. Reg. t. 1124; Torr. & Gray, Flor. 1, p. 379. Dalles of
the Columbia.
THERMOPSIS MACROPHYLLA, Hook. & Arn. Bot. Beech. _p. 329; Torr. & Gray, Flor. 1,p. 388.
HOSACKIA BICOLOR, Dougl.; Benth. in Bot. Reg. t. 1257; Torr. & Gray, Flor. N. Amer. 1,.
323. Shores of San Pablo bay.
HOSACKIA PURSHIANA, Benth. P7. Bartweg. No. 1701; Torr. & Gray, Flor. N. Amer. 1,2).
325. Upper Sacramento valley and McCumber's, N. Cal.; common.
HOSACKIA OBLONGIFOLIA, Benth. Pl. Hartweg. p. 305. Upper canon of Pit river.
HOSACKIA DECUMBENS, Bent-. in Linn. Trans. 17, p.346; Torr. & Gray, flor. 1, p.323.
HOSACKIA sUBPINNATA, Benth. P1. Hartweg. 1. c.; Torr. & Gray, Flor. 1, p. 326. Petaluma,
California.
HOsAcKIA GRAcILIs, Benth. in Linn. Trans. 17, p. 365; Torr. & Gray, Flor. 1, P.323. San
Francisco, California.
GLYCYRRHIZA LEPIDOTA, Nutt. Gen. 2, p.106; Torr. & Gray, Flor. 1, p. 297; Hook. For.
Bor.-Amer. 1, p. 138. McCumber's and Pit river, California; July.
ROSACEZE.
NUTTALLIA CERASIFORMIS, Torr. & Gray, in Hook. & Amrn. Bot. Beechy, p. 336, t. 82; Torr. &
Gray, Flor. 1, p. 412, Benth. PI. Hartw. No. 1707.
GEUM MACROPHYLLUM, Willd. Enum. 1, p. 557; DC. Prodr. 2, p. 550; Torr..& Gray, Flor. 1,
p. 421. McCumber's, N. California.
SPIRAEA CESPITOSA, Nutt. Torr. & Gray, Flor. N. A4mer. 1, p. 418; Gray, P1. Fendl. p.40.
Crater pass, Cascade mountains; latitude 440, altitude 6,700 feet.
SPIRAEA DOUGLASII, Hook7. Flor. Bor.-Amer. 1, p. 172; Torr. & Gray, Flor. 1, p. 415.
MIcCumber's, N. California.
SPIRAEA BETULIFOLIA, Pallas, Flor. Ross. t. 16; Torr. & Gray, Flor. 1, p. 414; Hook, Flor.
Bor.-Amer. 1, p. 172. Cascade mountains, O0. T.
SPIRAEA OPULIFOLIA, Linn.; Torr. & Gray, Flor. 1, p. 413. Banks of Mpto-ly-as river, O. T.
SPIRAEA ARIEFOLIA, Smith, in Rees. Gyclop.; Hook. Flor. Bor.-Anzter. 1, p. 173. Fort Vancouver and Cascade mountains, O. T.
RUBUS NUTKANUS, -iocino; Hook. Flor. Bor.-Amer. 1, p. 183; Torr. & Gray, Flor. 1, p.450.
McCumber's pass, N. California.
RUBUS MACROPETALUS, Dougl. in Hook. Flor. Bor.-4Amer. 1, p. 78, t. 59; Torr. & Gray,
Flor. 1, p. 457. Near San Francisco, California.
RUBUS PEDATUS, Smith; Hook. Flor. Bor.-Amer. 1, p. 181, t. 62; Torr. & Gray, Flor. 1,2).
452. On the coast above San Francisco, California.
RUBUS URSINUS, Cham. & Schlecht, in Linnea, 2, p. 11. Petaluma.
RUBUS SPECTABILIS, Pursh. Flor. 1, p. 348, t. 16; Hook. Flor. Bor.-Amer. 1, p. 178. On the
banks of the Columbia, and on the coast of Oregon generally.
COMARUM PALUSTRE, Linn.; Fl. Dan. 636. McCumber's, California, and Klamath basin
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