RANUNCULACE AE. 1 2 1 



1. A. canadensis L. Plants 2-6 dm. tall: leaflets, or their divisions, cuneate: 

 sepals ovate, scarlet without, 10-14 mm. long: spurs scarlet vrithout, 2.5-3 

 cm. long, the ends swollen : follicle-bodies mainly 15-20 mm. long. — Common, 

 in woods and on rocky banks. — Spr. — Columbine. 



6. DELPHINIUM [Tourn.] L. Annual or perennial erect herbs. Leaf- 

 blades palmately lobed or dissected, the segments narrow. Flowers spreading. 

 Sepals 5, the posterior one spurred. Petals 2 or i, the 2 posterior ones s^Durred. 

 Filaments dilated below. Carpels few or solitary, sessile, many-ovuled, be- 

 coming dry follicles. 



1. D. Ajacis L. Plants 1 m. tall or less, branched: leaf -blades with short and 

 diverging segments: sepals blue, with suborbicular to reniform or broadly 

 ovate blades: posterior petals 10-12 mm. long, excluding the spur: follicle- 

 bodies 13-20 mm. long, pubescent, stout-tipped. • — M. Eather common, in fields 

 and waste places. Nat. of Eu. — Sum. — Larkspur. 



7. HEPATICA [Rupp.] Hill. Perennial scapose tufted herbs. Leaf- 

 blades 3-lobed, persistent. Flowers solitary on each scape, subtended by a 

 calyx-like involucre. Sepals several, petal-like. Petals wanting. Achene- 

 cluster seated in the involucre. 



1. H. Hepatica (L.) Karst. Leaf-blades becoming 6-8 cm. wide, the middle 

 lobe typically reniform: bracts of the involucre ovate to oblong, obtuse: sepals 

 blue, purple or white, 7-12 mm. long: achene-bodies ovoid-oblong or oblong, 

 about 3 mm. long. — Common, in rocky woods and thickets. (Eurasia.) — Spr. 



— Hepatica. Liver-leaf. 



8. ANEMONE [Tourn.] L. Perennial scapose herbs with rootstocks. 

 Leaf -blades lobed, divided, or dissected, not persistent. Flowers subtended by 

 a foliaceous involucre. Sepals 4-20, petal-like. Petals wanting. Filaments 

 filiform. Achene-cluster long-peduncled. — Anemone. 



Fruit-head elongate : achenes densely long-woolly : sepals greenish. 



1, A. Virginian a. 

 Fruit-head globular : achenes glabrate or finely pubescent : 

 sepals white. 

 Achenes numerous ; bodies broadly winged, suborbicular : 



bracts of the involucre sessile. 2. A. canadensis. 



Achenes few ; bodies wingless, oblong : bracts of the invo- 

 lucre petioled. 3. A. quinquefolia. 



1. A. virginiana L. Plants 5-10 dm. tall: leaf -blades 3-parted, the divisions 

 sharply lobed, incised and toothed: bracts of the involucre similar to the 

 leaves: sepals greenish, mostly 8^13 mm. long, concave: head of fruit oblong. 



— Common, in thickets and woods. — Sum. 



2. A. canadensis L. Plants 2-7 dm. tall: leaf -blades 5-lobed, the divisions 

 incised and sharply toothed: bracts of the involucre similar to the leaves: 

 sepals white, 12-18 mm. long: head of fruit globular, 1.5-2 cm. in diameter: 

 achenes 7-8 mm. long, 4-5 mm. wide. — M. Eare, in low meadows. — Lime- 

 stones. — Sum. 



3. A. quinquefolia L. Plants 1-2.5 dm. tall: leaf -divisions mainly lobed or 

 parted: bracts of the involucre similar to the leaves: sepals white, mainly 

 1-1.5 cm. long: head of fruit globular, 1 cm. in diameter or less: achenes 

 slightly less than 4 mm. long, about 1.5 mm. wide. — Common, in moist places 

 and woods. — Spr. — Wood-anemone. 



9. SYNDESMON Hotfmg. Perennial scapose herbs with tuberous roots. 

 Leaf-blades 2-3-ternate. Flowers in an umbellate cluster, the involucre foli- 



