RANUNCULACEAE. 



139 



3. Ranunculus parviflbrus L. 



SMALL- FLOWERED CROWFOOT. (Fig. 

 161.) Hairy, slender, diffuse, 

 branching from the base, 6'-10' 

 high. Basal leaves long-petioled, 

 the blade reniform or cordate-or- 

 bicular, 1' broad or less, 3-cleft, the 

 lobes broadly oval, obtuse, cut and 

 toothed ; upper leaves short-petioled 

 or nearly sessile, 3-5-parted into 

 linear-oblong lobes ; flowers yellow, 

 l"-2" wide, petals little longer 

 than the calyx; head of fruit glo- 

 bose, 2" broad; achenes flat, mar- 

 gined, densely papillose, tipped 

 with a sharp beak of about one 

 fourth their length or less. 



Common in waste and cultivated 

 grounds. Naturalized from Europe. 

 Naturalized in the southeastern United 

 States. Flowers in spring and summer. 



4. Ranunculus muricatus 



L. SPINY-FRUITED CROWFOOT. 

 (Fig. 162.) Glabrous or spar- 

 ingly pubescent, branched from 

 the base, l-2 high. Lower 

 and basal leaves on long broad 

 petioles, the blade reniform or 

 cordate-orbicular, l'-2' wide, 3- 

 lobed, deft, or crenate; the 

 upper 3-divided, cuneate, short- 

 petioled or sessile; flowers light 

 yellow, 3"-5" wide, the petals 

 exceeding the calyx; head of 

 fruit globular, 5 "-6" wide; 

 achenes flat, 2" long, tipped 

 with a stout slightly curved 

 beak. 



Common in waste and cul- 

 tivated grounds. Naturalized 

 from Europe. Naturalized in the 

 southeastern United States. Flow- 

 ers in spring and summer. 



Clematis Flammula L., 



SWEET CLEMATIS, European, a 

 vine with many panicled small 

 white flowers, opposite ternately 

 compound leaves, the 4 sepals 

 linear-oblong, the petals want- 

 ing, the numerous stamens spreading, the fruit a head of flat achenes with 

 long plumose tails, is commonly planted for ornament on walls and porches. 



Clematis Jackmani Jackman, of hybrid origin between two Asiatic species, 

 recorded by Lefroy as introduced in 1874, has very large white or purple 

 flowers up to about 5' broad, its leaves 3-foliolate or simple, ovate, cordate and 

 acuminate. [C. japonica Jackmani of Lefroy.] Presumably the plant men- 

 tioned by Jones as C. japonica. 



