42 DICOTYLEDONOUS PLANTS. 



St. concolor De Cand. & stricta Spreng. ? Viola concolor Forf. 

 Pwsh. Ton. 



HAB. Rocks. N. Y. to Car. W. to Miss. ; rare. April, May. 

 Z{. Stem 2 4 feet high, simple, erect. Leaves cuneate-lanceo- 

 late, sessile, irregularly toothed above. Peduncles short, 2 3 

 flowered. Flowers small, greenish. Calyx nearly as long as 

 the petals. Spur none. I possess fine specimens of this plant 

 which were gathered near Lebanon, N. Y. 



ORDER XVI. DROSERACE^E. De Cand. Lind. 



Sepals 5, persistent, equal, with an imbricate aestivation. 

 Petals 5, hypogynous. Stamens distinct, withering, either 

 equal in number to the petals and alternate with them, or 2 

 or 3 or 4 times as many. Ovary single. Styles 3 5, either 

 wholly distinct or slightly connected at the base, bifid or 

 branched. Capsule of 1 or 3-cells, and 3 or 5- valves, which 

 bear the placentae either in the middle or at the base. Seeds 

 either naked or furnished with an arillus ; embryo straight, 

 erect, in the axis of fleshy or cartilaginous albumen ; cotyle- 

 dons rather thick. 



Delicate herbs, often covered with glands. Leaves alter- 

 nate, with stipulary ciliae and a circinate vernation. 



1. DROSERA. Linn. 



Calyx deeply 5-cleft. Petals 5. Stamens 5. Styles 35, 

 bipartite. Capsules superior, 3-celled, 3 5 valved, many- 

 seeded. Pentandria. Pentagynia. 



1. D. rotund 'if olid Linn.: leaves all radical, orbicular, petiolate. 

 spreading, covered above and on the margin with crimson hairs ; pe- 

 tioles long, hairy ; scape bearing a simple terminal raceme ; seeds 

 arillate. 



HAB. Sphagnous swamps. From Arctic America to Car. July. 

 Aug. H* Scape 4 8 inches high. Flowers small, whitish. 



Sundew, 



2. longtfolia Linn. : leaves crenate-obovate, tapering below into a 

 long petiole, erect-spreading ; scape declined at the base ; stipules 

 many-cjeft, capillaceous ; segments of the calyx ovate-oblong, obtuse. 

 Z>. americana MuM.D.foliosa Ell. 



HAB. Swamps. N. Y. to Car. July, Aug. U.Scap6 24 

 inches long. Racemes simple. Flowers secund. 



3. D. filiformis Raf. : leaves filiform, very long, glandulous the 

 whole length ; scape longer than the leaves, simple or bifid. Z>. 



WMd. 



