DIANDRIA, MONOGYNIA. 1* 



Also called Duck-ivced, and Duck-meat. 



Somewhat larger than the preceding 1 ; and easily known 

 by the greater si/e and number of its roots. Rather rare. 

 Annual. July, August. 



ORDER II. DIGYMA. 



19. Crypta, Nuttall. (Journ. Acad. Nat. Sci. Ph. Vol. 

 I. p. 117.) ( Portulaccx . ) 



Cat. two-leaved below. Cor. 2 or 3-petalled, 

 closely lying over each other, closed. Style 

 none ; stigmas 2 or 3, very small, in the 

 form of little points. Caps. 2 or 3-valved, 

 2 or 3-cellcd ; the cells 4 or 5 seeded. 

 Seeds nearly cylindrical, the point incurved, 

 longitudinally marked with striae, and trans- 

 versely with dots. Nutt. 



1. C. succulent; root fibrous. Stem dichotomous, muuma. 

 decumbent, radicant, thick, c\ lindric. Branches 

 assurgent. Leaves cuneate-oval, or obovate, op- 

 posite, sessile, entire, and lucid, one-nerved, bi- 

 stipulate at their base ; stipules membranaceous 

 and acuminated. Flowers axillary, solitary, ses- 

 sile, and alternate. Calix two-leaved, leaves ob- 

 long oval. Nutt. abr. 



Icon. Journ. Acad. Nat. Sci. Ph. Vol. I. t. G. 



tig. 1. 



Pepl'is Americana. Pursh. fl. Am. Sep. Vol. I. 



p. 238 ? 



A very minute subaquatic succulent plant, three quarters 

 cf an inch high, with opposite entire and stipulated leaves. 

 Flowers very minute ; petals never appearing to exptnd. On 



5* 



