DIANDRIA, MONOGYNIA. if 
Also called Duck-weed^ and Duck-meat. 
Somewhat larger than the preceding; and easily known 
by the greater size and number of its roots. Rather rare. 
Annual. July, August. 
ORDER II. DIGYNIA. 
19. Crypt A, Nuttall. (Journ. Acad. Nat. Sci. Ph. Vol. 
I, p. 117.) (’ Portulace<e , j 
Ca/. 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 -celled ; the cells 4 or 5 seeded. 
Seeds nearly cylindrical, the point incurved, 
longitudinally marked with strias, and trans- 
versely with dots. Nutt. 
1. C. succulent; root fibrous. dichotomous, 
decumbent, radicant, thick, cylindric. 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. 6i 
fig. 1. 
Peplis Americana. Pursh. fl. Am. Sep. Vol. I. 
p. 238 ? 
A very minute subaquatic succulent plant, three quarters 
of an inch high, with opposite entire and stipulated leaves . 
Flowers very minute ; petals never appearing to expand. Qu 
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