PoLYCARPON. ILLECEBRACEiE. 173 



rather larger than in A. dichotoma. Styles distinct nearly to the base, con- 

 nivent. 



3. SIPHONYCHIA. 



Sepals linear, petaloid above, coherent into a tube below, slightly concave 

 at the apex, unarmed. Petals represented by 5 subulate processes, ahcrnate 

 with the stamens, and inserted with them into the edge of the disk which 

 lines the lower portion of the sepals. Style filiform, of the length of the calyx, 

 mhiutely bifid at the apex. Utricle as in Paronychia. — A branching dif- 

 fusely procumbent extensively spreading herb. Leaves oblanceolate, much 

 shorter than the internodes. Blowers in small glomerate cymes at the ends 

 of the branches. 



■ - S. Americana. — Herniaria Americana, Nidt. ! in SiU. jour. 5. p. 291 

 (excl. syn ?) ; DC. prodr. 3. p. 368. 



In dry sandy places? E. Florida, Ware ex Nuttall ! Dr. Leavenworth ! 

 Middle Florida, Dr. Chapman ! Georgia, Dr. Boykin ! S. Carolina, ■ 

 herb. Nutt. .'— ® 1 Stem minutely andretrorsely puberulent, much branched, 

 extending 1-2 feet in length. Leaves slightly hairy below, ciliate, rather 

 obtuse, aknost veinless ; the lowest an inch in length, those of the branches 

 shorter. Stipules much shorter than the leaves. Bracts very small, similar 

 to the leaves. Flowers very nmnerous, a I'nt or a little more in length. 

 Sepals white above, minutely hispid with hooked bristles at the base, con- 

 nivent, cohering usually to about the middle. Stamens 5, shorter than the 

 lobes of the calyx : anthers brown. 



Tribe IL SPERGULE JE. ^ Bartl. 



Sepals nearly plane. Petals usually manifest, sometimes wanting. 

 Styles or stigmas 3-5. Capsule 1-celled, 3-5.valved, mauy-seeded : 

 placenta central. 



4. STIPULICIDA. Michx. fi. 1. p. 21. t. 6. 



Sepals distinct, oblong, attenuate at the base, with broadly scarious mar- 

 gins. Petals 5, as long as the sepals, cuneiform-oblong, narrow, entire, hy- 

 pogynous. Capsule subglobose, 3-valved, about 20-seeded. Style very short : 

 stigmas 3.— A small herb. Stem erect, setaceous, dichotomous. Radical 

 leaves spatulate, petioled; cauline ones very minute, setaceous. Stipules 

 multifid. Flowers minute, in small terminal fascicles. 



~f- S. setacea (Michx. ! 1. c.)—EU. sk. 1. p. 51 ; DC. prodr. 3. p. 375. Poly- 

 carpon stipulifidum, Pers.; Pursh, fi. 1. p. 90. 



In dry sandy places, N. Carolina ! to Georgia! May.— (l) ? (If Michx.) 

 Glabrous, 6-10 inches high. Petals white, 



5. POLYCARPON. Linn.; Gcerln. fr. t. 129. 



Sepals 5, nearly distinct, ovate, cariuate-concave, with scarious margins. 

 Petals 5, shorter than the sepals, often linear, emarginate. Stamens 3-5, in- 

 serted with the petals upon the minute nearly hypogynous disk. Styles 3, 



