40 OARTOPHYLLACEiE. (riXK FAMILY.) 



1. PARONYCHIA, Tourn. 



Sepal- 5, united at the base, concave and mucronatc or awned at the apex. 

 Petals bristle-like or tooth-like, alternate with the 5 stamens, and inserted with 

 them on the base of the calyx. Style long, 2-cleft. Utricle included. Seed 

 resupinate. Radicle Buperior or ascending. — Low herbs, with conspicuous sil- 

 very stipule-, and minute flowers in loose or compact cymes. 



1. P. dichotoma, Nutt. Smooth; stems slender, erect; leaves linear- 

 subulate ; those of the barren steins imbricated ; cymes fas\igiate, diffuse ; se- 

 pals linear, 3-ribbed, slender-pointed; petals minute, bristle-like. (Anychia 

 argVrocoma, Ell.) — Rocks on the mountains of North Carolina, and westward. 

 July - Nov, 1|. — Stems 6' - 1 2' high. 



2. P. argyrocoma, Nutt. Minutely pubescent ; stems tufted, ascending; 

 leaves linear, acute; cymes capitate, the flowers concealed by the large silvery 

 stipules; sepals lanceolate, hairy, slender-pointed; petals minute, tooth-like. — 

 Mountains of Georgia and North Carolina. July- Sept. 1}. — Steins G'-lO' 

 high. Stipules nearly as long as the leaves. 



3. P. herniarioides, Nutt. Bough-pubescent ; stems prostrate, diffusely- 

 branched; leaves oval or oblong, mucronate ; flowers axillary, solitary, sessile ; 

 sepal- subulate, with a short and spreading point. (Anychia herniarioides; 

 Michx.) — Dry sand ridges in the middle districts, Georgia to North Carolina. 

 July-Oct. (£) — Steins 4'- G' long Leaves 3" -4" long. 



4. P. Baldwinii. Finely pubescent; stems prostrate, diffusely-branched; 

 branches alternate, one-sided, filiform; leaves lanceolate or ovate-lanceolate, 

 acute, narrowed into a petiole ; cymes diffuse, naked ; sepals oblong, 3-ribbed, 

 ciliate, short-pointed ; petals bristle-like, as long as the stamens ; utricle equal- 

 ling or rather longer than the sepals; style 2-cleft to the middle. (Anychia 

 Baldwinii, Ton: <j- (t'rai/.) — Dry sandy soil, Florida and Georgia. July -Oct. 

 (f and © — Stems H°-3° long. Upper leaves sometimes alternate. 



2. ANYCHIA, Michx. 



Sepals 5, distinct, slightly mucronate at the apex. Petals none. Stamens 

 2-3, inserted on the base of the calyx. Style very short. Stigmas spreading. 

 Utricle exscrtcd. Seed erect. Radicle inferior. — An erect slender annual, 

 with forking setaceous spreading branches. Leaves thin, oblong, obtuse, nar- 

 rowed at the base. Flowers minute, solitary or clustered in the forks of the 

 branches, greenish. 



1. A. dichotoma, Michx. (Queria Canadensis, L.) — Barren hills. South 

 Carolina and northward. -July and August. — Stem 4'- 10' high. 



3. SIPHONYCHIA, Torr. & Gray. 



Sepals 5, united to the middle, concave and petaldikc above, obtuse or mu- 

 cronate Petals r ), bristle like, inserted with the . r > stamens on the throat of the 

 calyx. Style slender, 2-cleft. Utricle included. Seed resupinate. Radicle 

 superior. — Krect or diffusely pro.-trate herbs. Cymes dense-tlow ered. Flowers 

 white. 



