1825, MAY. PLANTS COLLECTED 123 



(242) Carex sp., perennial ; 18 inches high ; a very singularly handsome 

 species, plentiful in moist meadows. S. 



(243) Hordeum sp., perennial; plentiful in dry alluvial plains 1 ; 2 to 

 4 feet high. 



(244) Tephrosia sp., perennial ; flowers bright yellow ; plentiful 

 in dry gravelly meadows. 



(245) Allium sp., perennial ; 6 to 10 inches high ; flowers purple ; 

 bulb mild ; plentiful in open woods. S. 



May 24:th. (246) Epilobium sp., annual, biennial (?) ; a small plant 

 with minute white flowers ; on dry sandy soil near the banks of the 

 Columbia ; rare, only one plant of it. 



(247) Pentstemon sp. ; flowers large, pink, tinged with rose ; a curious 

 plant ; grandiflorus (Nuttall), perennial ; rare on Menzies Island ; I 

 found it at the Rapids in great abundance, on moist rocks and gravelly 

 soils. S. 



(248) Oenoihera albicaulis (Nuttall) ; flowers white and rose colour ; 

 abundant on the sandy shores of the Columbia, seven miles from the 

 ocean. S. 



(249) Senecio sp. ; perennial ; 18 inches high ; flowers yellow ; rare, 

 near rivers. 



(250) Polygonum sp. ; annual ; flowers white ; on the sandy shores 

 of the Columbia, plentiful. 



(251) Pentandria, Digynia ; annual ; calyx and corolla none ; stamens 

 five, short ; anthers globose, yellow ; stem villous, partly succulent, 

 branching ; leaves opposite, sessile or partly amplexicaule, linear ; flowers 

 situate between the leaf and stem ; capsule one-celled, one-seeded ; seeds 

 flat, orbicular ; on the sands of the Columbia within the tide mark ; 

 a small plant ; allied to Salsola. 



(252) Campanula perfoliata 2 (Pursh), plentiful in moist soils near 

 springs. 



(253) Epilobium sp. ; annual ; flowers small, white ; a small plant, 

 abundant in all moist ground. 



(254) Pentandria, Monogynia ; calyx five-leaved, acutr ; corolla 

 five-petalled ; linear, obtuse ; filaments longer than the corolla ; style the 

 same length ; flowers blue, capitate ; leaves sessile, alternate, pinnate ; 

 annual ; of this very beautiful little plant I am for the present unable 

 to procure more than one specimen ; on the banks of the Columbia, near 

 the Grand Eapids. (Found later very abundantly in dry, sandy soils, 

 near rivers.) Scabiosa. S. 



May 25th. (255) Verbena, perennial ; leaves opposite, sessile ; flowers 



small, blue 3 ; on Menzies Island and at the falls of the Columbia. S. 



(255 *) Equisetum hyemale ; in marshes and sides of rivers, plentiful. 



(256) Erigeron sp., annual ; flowers pale rose colour ; rare ; on 

 Menzies Island, in sandy soil. 



(257) Gramineae, perennial ; tall, 3 to 4 feet high ; in light sandy soil ; 

 abundant. 



1 In another MS. : ' in all alluvial soils near woods.' 



2 Specularia perfoliata, DC. Prod. vii. p. 491. 8 In another MS. : ' pink.' 



