403 
Alluvial river banks and swamps; Newfoundland and Ontario 
to Pennsylvania and west to Wisconsin. 
10, GALIUM ASPERRIMUM Gray, Mem. Amer. Acad. 4: 60. 1849. 
Bot. Calif. 1: 284. 1880. 
G. asperrimum asperulum Gray, Bot. Calif. 1: 284. 1880. 
Endosperm with a shallow groove. A variable species. The 
type and also other specimens from New Mexico and Arizona have 
small very scabrous leaves and a very large diffuse panicle. The 
type of variety asperulum .Gr. (Watson, Nevada) is nearly glab- 
rous with thinner leaves and few flowered inflorescence; other 
specimens from Washington, Oregon, California and Arizona 
have large and broad rather firm leaves. No distinct variety can 
be separated. 
Selastine ite to California, Utah, ‘Artooud and New Mexico. 
. GALIUM TRIFLORUM Michx., Fl. Bor. Am. 1: 80. 1803. 
coe Fl. Am. Sept. 104. 1814. DC. Prod. 4: 601. 1830. 
Hooker, Fl. Bor. Am. T. & G. Fl. N. A. 2: 23. 1841. 
G. cuspidatum Muhl. Cat. 
G. brachiatum Pursh, Fl. Am, Sept. 103. 1814. 
G. Pennsylvanicum Bart, Comp. FI. Philad. 83. 
Endosperm almost spherical, groove nearly obsolete. Speci- 
_mens from Nebraska, New York, Connecticut and Massachusetts 
are more or less hirsute. The southern plants are somewhat 
smaller leaved, while some of the Pacific coast specimens have 
long slender pedicels (114-4 cm.); others from Oregon and British 
Columbia have narrower leaves than the type. 
Damp shady places; Labrador and Northern Canada to Flor- 
ida and Louisiana, across the continent, south to northern Cali- 
fornia and Colorado. 
CORNELL UNIVERSITY. 
