314 PHANEROGAMOUS PLANTS. 



theless rather obtuse. Peduncles scarcely one-fourth the length of the 

 leaves. Umbels 10-15-flowered, the pedicels 3 or 4 lines long. Invo- 

 lucre of 5 or 6 very short ovate leaflets. Fruit not sufficiently mature 

 for examination. This species occurs also at Buenos Ayres, where it 

 was first detected by Tweedie. The little known Hydrocotyle Chi- 

 nensis, Linn. Sp. p. 339, is by some botanists thought to be the same 

 as H. lineata, Michx. The description of Linnaeus applies very well 

 to the plant of the United States, except that the leaves are said to 

 be flat. So indeed they appear to be in dried specimens of H. lineata 

 and H. attenuata. 



3. SANICULA, Tourn. 



1. Sanicula Marilandica, Linn. 



Hab. Washington Territory, between Puget Sound and the Cascade 

 Mountains. — A very uncommon species on the western side of the 

 continent. 



2. Sanicula Menziesii, Book. & Am. 



Hab. Puget Sound, Washington Territory ; the var. obtusa, viz., 

 S. obtusa, Nutt. in Herb. 



3. Sanicula bipinnatifida, Dougl. in Hook. 



Hab. Port Discovery, Washington Territory. — Eoots thick and 

 blackish. Umbels about half an inch in diameter, so densely flowered 

 as to appear capitate. Flowers mostly sterile, brownish-purple. Styles 

 as long as the ovary and recurved. 



4. Sanicula pinnatifida, Hook. & Am. 



Hab. Washington Territory, from Puget Sound to the Cascade 

 Mountains. — Differs from the California plant, on which the species 



