$70 | OFOLYANDRIA MONOGYNIA, Nuphar. 
sagittefolia. 4, N. foliis elongatis sagittato-cordatis obtusis, calyce 6- 
phyllo, petalis nullis, antheris subsessilibus—Salisb, 
l.c 
| pese sagittifolia. Walt. fl. car. 155. 
Nymphea longifolia. Mich. f. amer. 1. p. 312. 
In slow-flowing waters: Carolina and Georgia. X. 
July, Aug. v.s. Flowers small. 
440. CERATOPHYLLUM. Gen. pl. 493. W illd. act. 
ac. berol. 1798. p. 84. 
demersum, —— 1, C. foliis verticillatis octonis dichotomo-bigeminis dorso 
dentatis spinulosis, floribus axillaribus solitariis sessi- 
libus, fructibus 3-spinosis.— Willd. sp. pl. 4. p. 405. 
Icon. Engl. Lot. 947. 
In ditches and stagnant waters, floating: New York to 
Virginia. YJ. July, Aug. v.v. Flowers exceeding 
small. à 
"- 
U. DI-PENTAGYNIA, 
441. CALLIGONUM. Gen. pl. 834. 
canescens, 1. C. dioicum, pulverulento-tomentosum ; foliis Janceola- 
tis, floribus axillaribus glomeratis in apice ramulorum 
subspicatis, fructibus alatis, alis venosis eristato-den- 
tatis. 
In the plains of the Missouri, near the Big-bend. h. 
July, Aug. v. s. in Herb. Lewis. Flowers ^ ln 
small. Goats degit to po p this Mec 
442, DATISCA. Gen. pl. 1543. 
hirta. t p. caule birsuto, foliis pinnatis, £sliolia gsi confluenti- 
bus.— Willd, sp. pl. 4. p. 823. 
In Pensylvania. Kalm. M. +. Flowers yellow, small, 
in terminal panicles. I never had an — of 
seeing this plant myself. — — 
443. MENISPERMUM, Gen. pi. 1544, 
ean dense, 1. M. foliis peltatis cordatis snbrotundo-angulatis, racemis 
compositis.— Willd, sp. pl. 4. p. 824. 
