saglticJDfolia» 
demersum. 
canescens. 
hirta. 
T0LYANDRI4 MONOGYNIA. Nupliar. 
4. N. foliis elongatis sagittato-cordatis obtusis, calyce 6- 
phvllo, petalis nuilis, antheris subsessilibus. — Salish. 
l c. 
Nymph^a sagittifolia. \ TVaU. fl. car. 355. 
Ny mphaea longifolia. Mith.ji. amer. l.p. 312. 
In slow-fiowing waters : Carolina and Georgia. % . 
July, Aug. V. s. Flowers small. 
440. CERATOPHYLLUM. Gen. pi 493. Willd. act. 
ac. herd. 1 798. p. 84. 
1. C. foliis verticillatis octonis dichotomo-bigeminis dorso 
dentalis spinulosis, foribus axillaribus solitariis sessi- 
libus, fructibus 3-spinosis. — Wiild. sp. pl 4. p. 405. 
Teon. Engl hot. 947. 
In ditches and stagnant v/aters, floating r New York to 
Virginia. I/ . July, Aug. v.v. Flowers exceeding 
small. 
II. Dl-PENTAGYNIA. 
441. CALLIGONUM. Gen.pl. 
I. C. dioicum, pulverulento- tomentosum j foliis lanceola- 
tis, floribus axillaribus glomeratis in apice ramulormii 
subspicatis, fructibus alatis, alis venosis cristato-den- 
tatis. 
In the plains of the Missouri, near the Big-bend. * 
July, Ang. V. s. in Herb. Lewis. Flowers exceeding 
small. Goats delight to feed upon this shrub. 
442. DATISCA. Gen. pl 1543. 
1 . D. caule hirsuto, foliis pinnatis, foliolis basi consuenti- 
bus. — Willd. sp pl. 4. p. 823. 
In Pensylvauia. Kahn. I/. -f. Flowers yellow, small, 
in terminal panicles. I never had an opportunity of 
seeing this plant myself. 
443. MENISPERMUM.' Gen.pl}544. 
1. M. foliis peltatis cordatis subrotundo-angulatis, racemis 
compositis. — Willd. sp. pl 4. p. 824. 
ean idense. 
