20 CARYOPHYLLACE^. 



lanceolate, plane, herbaceous. Stipules very small, distinct, 

 subulate, scarious. Flowers minute, subsessile, solitary in 

 the forks of the leafy branches, or somewhat cymulose on 

 the ultimate ramifications. 



Etymology. Name abbreviated from that of the related genus Parony- 

 chia, q. V. 



Geographical Distribution. A genus of two, or perhaps three, 

 species of humble weeds, belonging exclusively to Eastern North America, 

 extending from Canada to Texas. 



PLATE 104. Anyciiia dichotoma, Michx., /3. capillacea, Torr. ; — 

 a branch of the natural size. 



1. Diagram of the flower. (The dark ring represents the space between 



the walls of the ovary and the solitary ovule.) 



2. A calyx, enlarged. 



3. A node with an open flower, &c. (the left-hand leaf shows the stip- 



ules), magnified. 



4. Magnified stamen, seen externally. 



5. Same, seen from the inside. 



6. Pistil, magnified. 



7. Vertical section of the same, showing the erect, somewhat transverse 



ovule. 



8. Utricle with the persistent calyx, magnified. 



9. Seed, in its natural position, magnified. 



10. Vertical section of the same, through the embryo and albumen. 



11. The embryo detached, with the cotyledons separated. 



