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Family CicHORIACEAE. 
Taraxacum ceratophorum DC. Five-finger Rapids 
(Tarleton). 
Crepis elegans Hook. River bank opposite Dawson 
(Williams). Specimens with lyrate-pinnatifid lower leaves. 
Hieracium gracile Hook. Bennett City (Williams). 
Hieracium triste Cham. White Pass (Williams). 
Hieracium albifiorum Hook. Bennett City (Williams). 
Family CoMPosITAE. 
Solidago multiradiata Ait. Dawson (Williams); Fort 
Selkirk (Tarleton). 
Solidago elongata Nutt. Fifty miles above Stewart 
River (Tarleton). 
Solidago oreophila Rydb. Dawson (Williams); Fort Sel- 
kirk and fifty miles above Stewart River (Tarleton). 
Stenotus borealis Rydb., sp. nov. 
Depressed cespitose, branches 3-6 cm. long, densely cov- 
ered with the leaves, which are narrowly linear, almost fili- 
form, 10-18 mm. long and .5-.7 mm. wide, hispid ciliate on 
the margin and with a strong rib: peduncles naked, 4-5 cm. 
long, puberulent and glandular especially above: head about 
1 cm. high: bracts subequal in two series, linear lanceolate, 
acute, thin, puberulent and somewhat glandular, yellowish 
green: rays about r cm. long and 3-4 mm. wide, obtuse or 
truncate and entire at the apex: pappus tawny white. 
This species is nearest related to S. stenophyllus (A. Gray) 
Greene, but the latter has thicker bracts and its leaves are 
glandular puberulent all over, while in S. doreals the leaves 
are devoid of glands, perfectly glabrous except the ciliolate 
margin. Foot of Lake Lebarge (J. B. Tarleton, 51). 
ASTER GIGANTEUS (Hook.) Rydb. (Aster Feichardsonit gi- 
ganteus Hook. Fl. Bor. Am. 2: 7. 1840.) Near mouth of 
Klondike and at Dawson (Williams); Five-finger Rapids 
(Tarleton). 
Aster Unalaschensis Less. The same as the specimen in 
the Columbia Herbarium from Unalaska, named by Bongard. 
