46 CARYOPHYLLACE^E. (PINK FAMILY.) 



1. PAKONYCHIA, Tourn. 



Sepals 5, united at the base, concave and mucronate 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 superior or ascending. Low herbs, with conspicuous sil- 

 very stipules, and minute flowers in loose or compact cymes. 



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

 subulate ; those of the barren stems imbricated ; cymes fastigiate, diffuse ; se- 

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

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

 July - Nov, 1J. 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. 1J. Stems 6' -10' 

 high. Stipules nearly as long as the leaves. 



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

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

 sepals subulate, with a short and spreading point. (Anychia herniarioides, 

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

 July - Oct. CD Stems 4' - 6' long, Leaves 3" - 4" long. 



4. P. Baldwin!!. 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, Torr. $* Gray.) Dry sandy soil, Florida and Georgia. July -Oct. 

 and (2) Stems l-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 exserted. 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 petal-like above, obtuse or mu- 

 cronate. Petals 5, bristle-like, inserted with the 5 stamens on the throat of the 

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

 superior. Erect or diffusely prostrate herbs. Cymes dense-flowered. Flowers 

 white. 



