and the American Loti. 365 
$ 1. Stipule foliaceee vel scariose. 
1. H. nrcoron (Dougl.), stipulis scariosis, pedunculis ebracteatis, dentibus ca- 
lycinis brevissimis. Bot. Reg. t. 1257. 
Lotus pinnatus. Hook. Bot. Mag. t. 2913. 
Columbia river. Douglas. 
2. H. crassrrouia, stipulis scariosis, pedunculis infra umbellam folio trifolio- 
lato bracteatis, dentibus calycinis brevissimis. 
Size and habit of H. bicolor. Leaflets broad, obovate, somewhat fleshy. 
Fowers blue? or purple?, rather smaller than in H. bicolor. 
California. Douglas. 
3. H. sriPULARIS, stipulis foliaceis latè semisagittatis, pedunculis infra um- 
bellam folio trifoliolato bracteatis, dentibus calycinis tubo brevioribus. 
Size and habit of H. bicolor. Stems and petioles hairy. 
California. Douglas. 
4. H. cnacinis, glaberrima, foliolis inferioribus latè obovatis, stipulis amplis 
membranaceis, pedunculis apice folio trifoliolato bracteatis, calycibus sub- 
bilabiatis tubo dimidio brevioribus. 
A much slenderer and smaller plant than H. bicolor, to which it has in 
other respects much resemblance. Flowers rather smaller, more slender, 
with longer alz. 
California. Douglas. 
5. H. mexicana, subcanescens, foliolis omnibus oblongis linearibusve, stipulis 
parvis scariosis, pedunculis 1—2-floris apice folio trifoliato bracteatis, 
dentibus calycinis subulatis tubo brevioribus. 
A slender plant like the last. Flowers smaller, with the alæ and vexillum 
broader, but in other respects those of a true Hosackia. 
Communicated by G. J. Graham, Esq., who gathered it during his visit to 
the mining district of Tlalpuxahua. 
952 
