BOTANY. 



HE PATIOS. 



MADOTIIECA DOUGLASII, Tayl. Cascade mountains, 0. T. 

 SCAPANIA NEMOROSA, Nees. Cascade mountains, 0. T. 

 ANEURA, (undeterminable.) 



IV. LICHENS. 



BY EDWARD TUCKERMAN. 



EVERNIA VULPINA, Ach. On Juniperus and Libocedrus. 



EVERNIA OCHROLEUCA, var. SARMENTOSA, Fr. On Picea grandis ; Cascade mountains, 0. T. 

 EVERNIA FREMOXTI, Tuckerm On Pinus contorta and P. ponderosa ; shores of Klamath 

 lake. 



STICTA PULMOXARIA, Ach. On trees ; banks of the Columbia. 

 CSTRARIA GLAUCA, Ach. Truuks of trees aad stones ; Cascade mountains. 

 CLADONCA CORNUTA, Fr. Decayed wood ; banks of the Columbia. 

 CLADONIA FIMBRIATA, Fr. On the earth ; banks of the Columbia. 

 CLADONIA DIGITATA, Hojfm. With the last. 



LECTDIA PARASEMA, Fr. Trunks of trees ; banks of the Columbia. 

 SPHCEROPIIORON GLOBIFERUM, DO. On the ground ; Washington Territory. 



