3 70 
sagit iaftolia. 
demersum . 
canescens . 
hirta. 
eamdense. 
POLYANDRIA MONQGYNIA. Nliphar. 
4. N. foliis elongatis sagittato-cordatis obtusis, calyce 6« 
phyllo, petalis nullis, antheris subsessilibus. — Salish. 
I. c. 
Nymphaea sagittifolia. Walt. ft. car. 155. 
Nymphaea longifolia Mich fi. amer. \.p 312. 
In slow-flowing waters : Carolina and Georgia. If . 
July, Aug. v. s. Flowers small. 
440. CERATOPHYLLUM. Gen. pi. 403. Willd. act. 
ac. her at. 1798. p. 84. 
1. C. foliis verticillatis octonis diehotomo-bigeminis dorso 
dentatis spinulosis, floribus axillaribus solitariis sessi- 
libus, fructibus 3 - spinosis.— Willd. sp. pl. 4. p. 405. 
Teon. Engl hot 947 
In ditches and stagnant waters, floating : New York to 
Virginia. If . July, Aug. v. v. Flowers exceeding 
small. 
II. Dl-PENTJGYNIA. 
441. CALLIGONUM. Gen. pl. 834. 
3. C. dioicum, pulvernlento-tomeniosnm ; foliis lanceola- 
tis, floribus axillaribus glomeratis in apiCe ramulorum 
vsubspicatis, fructibus alatis, alis venosis cristato-den- 
tatis. 
In the plains of the Missouri, near the Big-bend. I 7 , 
July, Aug. 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 confluenti- 
bus,— Willd. sp pl. 4. p. 823. 
In Pensylvania. Kalm. I/. -J-. Flowers yellow, small, 
in terminal panicles. I never had an opportunity of 
seeing this plant myself. 
443. MENISPERMUM. Gen. pl. 1544. 
1 . M. foliis peltatis cordatis subrotundo-angulatis, racemis 
compositis. — Willd. sp. pl. 4. p. 824« 
