250 ICOSANDRIA, PENTAGYNIA. 



ver, Jersey side especially, frequent. It is also found on the 

 banks of the Schuylkill. \ . June, July. 



231. GILLENIA. Mcench. {Rosacea.) 



Calix suhcampanulate, border 5-toothed. Co- 

 rolla partly unequal. Petals 5, lanceolate, 

 attenuated, coarctate at the claws. Stami- 

 na fewer, included. Styles 5, contiguous; 

 stigmas capitate. Capsule 5-celled ; cells 

 2-seeded.— Nutt. 



trifoiiata, l. G. leaves ternate, lanceolate, serrate, nearly 

 equal ; stipules linear, entire; flowers terminal, 

 loosely paniculated, 5-gynous; calix tubulose- 

 campanulate. — Wittd. 



Spiraea trifoliata, Willd., Mich., MuhL, he. 

 Icon. Bart. Veg. Mat. Med. U. S. vol. 1. t. 5. 



Bot. Mag. 489. 



Indian Physic. 



About two or three feet high. This fine plant is very inte- 

 resting- on account of its medicinal virtues, which are actively 

 emetic. (See Veg. Mat. Med. U. S.) Flowers white, or rarely 

 tinged with peach-blossom-red. Fiower-buds rose-coloured. 

 In shady woods and thickets near streams, west of the Dela- 

 ware, common. Perennial. June, July. 



232. ROSA. Gen. pi. 863. {Rosacea.) 



Calix urceolate, carnose, contracted at the 

 orifice, border 5-cleft. Petals 5. Seeds 

 many, hispid, attached to the inside of the 

 calix. — J\Tutt. 



parviflora. i, R, germs depressed-globose, and peduncles his- 

 pid ; petioles pubescent, subaculeate; stem gla- 

 brous, stipular prickles upright ; folioles ellip- 

 tic-lanceolate, simply serrate, glabrous,- flowers 

 sub-paired. — Willd. and Pursh. 



R. Carolina, Du. Roi. harbk. 2. p. 335. and Mich. 



R. Pennsylvania, Wangh. Amer. p. 113. (Pursh.) 



R. humilis, Marshall, Arb. 285. 



