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

BO'TANY.
HEPATICE.
MADOTIIECA DOUGLASII, Tayl. Cascade mountains, O. T.
SCAPANIA NEMOROSA, Nees. Cascade mountains, O. T.
ANEURA, (undeterminable.)
IV. LICHENS.
BY EDWARD TUCKERMAN.
EVERNIA VULPINA, lch. On Juniperus and Libocedrus.
EVERNIA OCIIROLEUCA, var. SARMENTOSA, Fr. On Picea grandis; Cascade mountains, O. T.
EVERNIA FREMONTI, Tieckerm On Pinus contorta and P. ponderosa; shores of Klamath
lake.
STICTA PULMONARIA, Ach. On trees; banks of the Columbia.
CETRARIA GLAUCA, Ach. Trunks of trees and stones; Cascade mnountaits.
CLADONEA CORNUTA, Fr. Decayed wood; banks of the Columbia.
CLADONIA FIMBRIATA, Fr. On the earth; banks of the Columbia.
CLADONIA DIGITATA, Hoffm. With the last.
LECIDIA PARASEMA, Fr. Trunks of trees; banks of the Columbia.
SPH(aROPHORON GLOBIFERUM, DC. On the ground; Washington Territory.
,t
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