POTENTILLA NEMORALIS Nestler, Mon. Pot. 28 and 65. 1816.
Tormentilla reptans L. Sp. Pl. 500. 1753. Not Potc,,tilla reptans L.
Also a European species which has been collected in Labrador. It differs from P. Canadensis in the 4-merous flowers and in the leaves, which are all, except the basal ones, ternatc.
Helen/aloe/11'i. The dark purple- or dark red-flowered species of Poteliala constitute a very natural group, which consist of the Mexican species : P. Ehrenbergiana, Haeinatochrus,fusca, and. con
arioides, a few Indian species, as for instance P. Nepalenszs and P. atrosanguinea, and two species of the Southwestern United States, viz. :