3rf> roLTANDRU MONOGYNiA, Nuphar, 



sagitlafolia. 4. N. foliis elongatis sagittato-cordatis obtusis, calyce 6- 

 phyllo, petalis nuUis, antheris subsessilibus. — Salish. 

 I. c. 



Nymphsea sagittifolia, Walt. fl. car. 155. 



Nvmphaea longifolia Mich.'fl. amer. 1. p. 312. 



In slow-flowing waters : Carolina and Georgia. 1/ . 

 July, Aug. V. s. Flowers small. 



440. CERATOPHYLLUM. Gen. pi. 493. Willd. act. 

 ac. lerol. ] 798. p. 84. 



iimersum. 1. C. foliis verticillatis octonis dichotomo-bigeminis dorso 

 dentalis spinulosis, floiibus axillaribus solitariis sessi- 

 libus, fructibus 3-spinosis. — Willd. sp. pi. 4. p. 405. 



Icon. Engl. hot. g47. 



In ditches and stagnant waters, floating : New York to 

 Virginia. 1/. July, Aug. v. v. Flowers exceeding 

 small. 



II. DI-PENTJGYNIA. 



hirta. 



can idense. 



441. CALLIGONUM. Gen. pi. 834. 



I.e. dioicum, pulverulento-tomentosum ; foliis lanccola- 

 tis, floribus axillaribus glomeratis in apice ramulorum 

 subspicatis, fructibus alatis, alls venosis cristato-den- 

 tatis. 

 In the plains of the Missouri, near the Big-bend, fj . 

 July, Aug. V. s. in Herb. Lewis. Flowers exceeding 

 small. Goats delight to feed upon this shrub. 



443. DATISCA. Gen. pi. 1543. 



1. D. caule hirsuto, foliis pinnatis, foliolis basi confluenti- 

 bus.— Willd. sp pi. 4. p. 823. 

 In Pensylvania. Kalm. 11. +. Flowers yellow, small, 

 in ttrminal panicles. I never had an opportunity of 

 seeing this plant myself. 



443. MENISPERMUM. Gen. pi. 1544. 



1. M. foliis peltatis cordatis subrotundo-angulatis^ racemis 

 compositis. — Willd. sp. pi. 4. p. 824. 



