A^iMAKNjA. TETRANDRIA. MONOGYNIA. laO 



Hab. In brackish meadows between Hackinsack and New- 

 Durham, New-Jersey. August — September. Often with th6 

 stem quite simple, and the flowers solitary. 



2. A. humilis Mich.: stem procumbent at the base, 

 branched, slender, quadrangular ; leaves lanceolate, attenuate 

 ^4 at the b^sp; flowers solitary. Mich. Ft. I. p. 99« 

 Pwr^Ai"/. I. p. 107. Elliott SkA.^.'iXd. Roem. 

 4" Schult. III. p. 302. Aoramosior Walt, Car. p. 88. 



Root annual and biennial, fibrous. Stem very seldom entirely 

 simple, often very much branched, 4 — 7 inches, red, smooth, 

 nearly terete below, subquadrangular above, much more slen- 

 der than in A. ramosior. Leaves narrow-lanceolate, with a 

 prominent midrib, narrovyed at the base, rather acute. Flowers 

 sessile, solitary, with two very small subulate braces at the base. 

 Calyx quadrangular, 8-toothed, the 4 exterior teeth shorter, 

 thick, and spreading, the others acute. Petals 4, white or pale 

 purple, orbicular, inserted into the calyx opposite the shorter 

 teeth, near the sunimit, caducous. Stamens 4 ; filaments vci- 

 serted into the calyx about half way down ; anthers round, 

 brownish. Germeri turbinate ; style Very short, but distinct ; 

 stigma capitate. Cafisule short and thick, quadrangular, 

 4-celled; each cell containing 20 or 30 smooth, somewhat an- 

 gular, seeds ^ attached to the central receptacle. 



Hab. On the borders of a pond in a wood on Long-Island, three 

 miles from Brooklyn. August. Near New-Haven, Connec- 

 ticut. Prof. Ives. Borders of Jamaica-pond, Brooklyn; 

 near Boston. A*u tt all. 



Mr. Elliott remarks, that the petals in this species are 

 inserted into the summit of the germen ; a character which I 

 did not observe in any of the specimens I examined. 



123. PTELEA. L. 



Calyx- 4-parted. Petals 4, spreading. Stigmas 2, 

 Samara compressed, orbicular, 2-celled, 2-seeded. 

 Gen. pi. 1505. Nutt. Gen. I. p. 104. Juss. p. 

 375. Larw. ///. t. LXXXIV. f. 3, Roem.^ 

 Schult, Gen. 491, Nat Ord, Terebintaoe^; 

 Juss* 



P. trifollata L. ; leaves ternate; flowers in panicles, 

 polygamous. JVilld, Spec. I. p. 670. M i c h. Fl, I. p. 99. 

 Pursh FL\.^. \01. Elliott S/c. L^.2\0. Walt, 

 Car. p. 88. D uh a m. Arb. W.i. ^2. R a em. ^r S c hul t, 

 Jll. p. 291. 



A shrub 6 — 8 feet high, with slender spreading branches. Leaves 

 on long petioles, ternate ; leafiets oblong, 2 — 3 inches long, 

 •acum^inate, sessile, pubescent beneath ; the terminal one at=i 



