»«NTBDERiA. HEXANDRIA^ MONOGYNI.A, 343 



inches long, obtuse, rather fleshy ; petiole an inch or tnore in 

 length, proceeding from a very long tubular sheath. Scape 

 1 — 2 feet long, according to the depth of water, S/iath ob- 

 long, sheathing the pubescent common peduncle. Flowers ag- 

 gregated by twos and threes, sessile. Corolla bright blue ; 

 tube curved, pubescent, witii 3 longitudinal gashes or foramina 

 on the inside; border bilabiate; upper lip flat, 3-cleft; seg' 

 ments oblong ; one of them ivith a yellowish spot in the cen- 

 tre ; lower lip deeply 3-parted ; the segments linear-oblong, 

 St-amens 6 ; 3 of the Jilamtnts inserted near the base of the 

 tube ; the other 3 towards the summit exsertcd. Germen 

 ovate, gibbous ; style filiform, blue, scarcely exserted ; stigma 

 minute, entire. Utriculus I -seeded, covered by the persistent- 

 base of the corolla. Seed with 6 elevated ridges. •' Perisfierm 

 ovate, conic, very white, sweet and farinaceous ; cbrculum\x\^. 

 the axis of the perisperm, cylindric, inverted, (or with the ra- 

 dicle upwards) ; ^'emww/at oval, conspicuouti." JVutt. 

 Hab. In ponds and on the edges of rivers; common. Augusts 



Pickerel-xoeedi, 



jS. angustifolia* t leaves elongated-triangular, truncate 

 and subcordate at the basci P. angustifolia Pursh FL I. 

 p. 224. Nutt, Gen, I. pi 216. P. mucronata R af. m 

 Med. Rep. XI. p. 352. 



Hab. In high mountain-lakes. New -York to Carolina. Pur ah, 

 I consider this plant a mere variety of P. cordata, which va- 

 ries considerably in the breadth of its leaves. The P. lancc' 

 folia of Muhlenberg and Elliott, (which is also P, 

 lanceolata of jYutta 11,) is another variety. 



235. CONOSTYLIS. R. Br own. 



Corolla semisuperior, 6- cleft, persistent, woolly. An^ 

 thers erect. Style conic, tripartile. Stigma simple. 

 Capsule opening at the summit, 3-celled, 3-vaIved. 

 many-seeded. R. Brown Prod. I. p. 300. JVuit. 

 Gen. L p. 217. Lophiola Sims in Bot. Mag. 

 1596. Nat. Ord. HiEMODORACE,a: i?. Brown. 



C. americana Ph.: corolla woolly within ; scape corym- 

 bose-panicied ; leaves gramineous-ensiform, glaucous; fila- 

 ments equal. P'wrs/i F/. 1. p. 224. t. 6. Elliott Sk.l. 

 p. 403. J^ utt. Gen.l.c LopmoLA aurea Bot. Mag. t, 

 1596. Hklonias tomeniosa Muhl. Co/, p. 37. 



f A term used to distinguish the apparent from the true cotyledons. 

 In the present plant there are no proper cotyledonsj merely a minute bud St- 

 mrtiljir to the perfect plant. Ku 1 1^ 



