UANrXcT LACKAE Juss. Crowfoot Family. 

 Animal or perennial herbs,, with colorless usually acrid juice; and poly- 

 petalous or apetalous, regular or irregular flowers. Leaves simple *r 

 dissected, opposite or alternate; petioles dilated. Sepals 3-15, frequently 

 petaloid. Petals 3-15. Stamens usually many. Fruit dry achenes, fol- 

 licles, or berries. 



* Leaves opposite, terminating, in tendrils; sepals 4. petaloid. 

 CLbmatis. Woody climbing plants. 



** Upper U twcs opposite or wh < ' I; p lunclcs with one apetalous flower. 

 Anemone, involucre liliaceous, remote from the flower. 

 HBPAT1CA. involucre close to the flower, calyx-like. 

 ANEMONELLA. Flowers umbellate. 

 TiiALKTKUM. Sepals 4. petaloid or greenish. 



*** Sepals usually S; petals present; achenes many. 

 Ranunculus. Petals yellow, rarely white, with a nectariferous pit or scale at tho base 



inside. 

 Myosurus. Flowers solitary, scapose ; petals 5. white. 



**** Flower s conspicuous, apetalous, not racemose; sepals petaloid. 



CaLTHa. Leaves kidney-shaped, undivided; flowers yellow. 

 lSOPTRUM. Leaves divided: flowers white. 



**** * Sepals or petals spurred. 

 Aquilegla. Petals produced backward into 5 hollow spurs. 

 Delphinium. Upper sepal produced backward into a long spur. 

 ****** Flowers regular; fruit a berry. 



ACTAEa. Flowers small, in a single short raceme: pistil 1. 

 Hydrastis. Flowers apetalous. solitary: roois yellow. 



CLEMATIS L. Vibgin's-Bower. Woody climbing plants, with opposite pin- 

 nate leaves, terminating in tendrils: and large purplish flowers. Sepals 4. 

 Petals none. Achenes many, in a globular head, with long persistent styles. 



* Flowers cyrhose-panwulate. 



C. virginiana L. Common V. Leaves petioJed, of 3 ovate leaflets; leaflets 

 cut or lobed; styles persistent, plumose. A trailing vine, common in low 

 grounds in thickets or along fence-rows; July-Sept. 



* *Flowers soli turn. 



C. pitcheri T. & <L Leaflets 3-7. ovate, 1-3-lobed; sepals thin, tips recurv- 

 ed: achenes with filiform, persistent, silky, but not plumose styles. Thickets: 

 June-August: frequent. ( C. simsii Sweet. ) 



C. viorna L. Leattier-ftower. Similar to the preceeding; persistent styles 

 plumose. This species has been frequently reported but the author has seen 

 no reliable specimens, the so-called specimens not being in fruit their identity 

 was questionable. 



ANEMONE L. ANEMONE. WiND-FLOWEB. Perennial herbs, with the leaves 

 tly radical, lcng-petioled. the few cauline whorled so as to form a folia- 

 eeous involucre remote from the flower, all compound or dissected. Pedun- 

 cles 1 -flowered. Sepals 5-20, petal-like. Petals none or in one of abortive sta- 

 mens. Fruit compressed 1-seede d achenes. 



