CROWFOOT FAMILY. Ranunculaceas. 



Small Yellow 

 Pond»Lily 



Nuphar 



the stigma so small that an entering insect must touch 

 the stigma. On the following day the flower expands 

 fully and the anthers beneath the stigma unfold, spread 

 outward, and expose their pollen. Cross-fertilization is 

 thus insured, and is generally effected by means of the 

 bees of the genus HalicUis, and (so says Prof. Robertson) 

 the beetle named Donacia piscaUH.v. A very common 

 and familiar plant in stagnant water, with stouter stem 

 and coarser leaves than those of the preceding species. 

 Var. rninus is a slenderer form the smaller flower of 

 which has a crimson stigma. Northern Vt. to Mich, 

 and Penn. 



This is a very slender species, with flow- 

 ers scarcely 1 inch wide. Sepals onl}- 

 three. The stigma disc, dark red. In 

 Kalmianum ponds and sluggisli streams, Me. to south- 

 Golden yellow ern N. Y., Penn., and west to Minn. 

 June- 

 September 



CROWFOOT FAMILY. Ranunculacece. 



A large family of perennial or annual herbs, with gen- 

 erally regular but sometimes irregular flowers ; wath 

 stamens and pistil, or with staminate and pistillate flow- 

 ers on different plants ; 3-15 petals, or none at all ; in the 

 last case the sepals petallike and colored. Generally fer- 

 tilized by the smaller bees, butterflies, and the beelike 

 flies. 



A most beautiful trailing vine commonly 

 Virgin's found draped over the bushes in copses 



Clematis ^^^ ^^ moist roadsides. The leaves dark 



Virginiana green, veiny, with three coarsely toothed 

 Greenish leaflets ; the flat clusters of small flowers 



^****® with four greenish white sepals and no 



petals, polygamously staminate and pistil- 

 late on different plants ; cross-fertilized b}^ bees, the bee- 

 like flies {Bomhylms), and the beautiful and brilliantly 

 colored flies of the tribe Syrpliidce. In October the 

 flowers are succeeded by the gray plumy clusters of the 

 withered styles (still adherent to the seed-vessels), which 

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