TBIANDRIA MONOGYNlA.. 5i 



STIPULICIDA. Micn. 



Calijx 5-parlitus. Co- ] Culi/x 5 parted. To- 

 rnlta i)-[)etula. Stigma- I rolla 5 pelalled. Siig^ 

 ta 3. Capsida l-locu- [772^53. Capsule i ctlhi], 

 laris, 3-vaIvis. I 3 valved. 



1. SiiTACEA. 



Mich J L p^. 26. t- 6. 



Polycarpon stipulifidumy Pursh, 1. p. 00. 



Root tibrous, annual? Stem erect, 6 — 10 inches hi^^li, smootli, di- 

 cliotouaoualy, sometimes trichotomouslv branched. Leaves near the 

 root small, opposite, spatliulate; on tlie brandies 0. At eacli fork of 

 tlie branches 2 fimbriate Utipides- ' Flowers in terminal clusters, 

 (4 — 6 in each,) sessile. Corolla white. i:itamens shorter than the 

 petals, atyle shbrt. ^eeds few. 



Grows in dry sandy soils, near Fort RarriHgton — Mr. Lyou, Co- 

 lumbia — Dr. Macbride, near Augusta, — Dr. Baldwin. 



Floweis May. 



This genus differs only by its single style and entire petals from 



Polycarpon. 



XYRIS. Gen. pl. 89 



4 



Coro^/fl 3-petala, sequalis, I Corolla 3 pctalled, 

 crenata. Glum(ehi\a\\'es \ equal, cienate. Glumes 

 in capitulum. Capsula I 2 valved, in a capitii- 

 supera. | lum. Capsule superior, 



1. Flexuosa. JVJuhl. Cat. 



X. capitulis arete im- Heads closely imbri- 



bricatis; caljce bractcis cate; calyx shorter tlian 

 breviore, parce plumoso; I tlie bracteas, sparing 

 foliis longis, gladiatis, tor- feathered ; leaves long 

 tuosia. E. I sword shaped, twisted. 



X. Carolinlana, 'SValt. p. 69. Pursh, 1. p. S3. 

 X. jupicai. Mich. 1. p. 23. 



Root perennial. Stem lierbaceous, erect, 2 feet hi^^. columnar, 

 srnooth, spiral, furrowed with 2 lines, dihifed at the summit. Leaves 

 sword shaped, a little dotted, spiral, 12 — 14 inches l.na:, sheathing 

 the base of the stem. F owers in an ovate tenninai, imbrif-te capi- 



^ium, Jiractea an ovate or rounded scale, rii;,id, concave, covering 



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