The Flora of the Cayuga Lake Basin 321 



/. Leaves 3-foliolate. 9. Cryptotaenia 



e. Flowers yellow. 

 /. Leaflets serrate. 10. Zizia 



/. Leaflets entire. 11. Taenidia 



c. Body of fruit subglobose, not flattened; ribs not winged; flowers white or 



roseate; cauline leaves finely dissected (see also 3d c). [CoriandrumJ 

 c . Body of fruit strongly dorsally flattened ; lateral ribs winged. 

 d. Flowers yellow ; stylopodium depressed. 

 e. Leaflets coarse. 

 /. Leaves 1 -pinnate; stem strongly furrowed; involucre none. 



12. Pastinaca 

 /. Leaves 2-pinnate ; stem not furrowed ; involucre conspicuous. 



13. Levisticum 

 r. Leaflets finely dissected. [Anethum] 



(/. Flowers white; stylopodium often more conical. 



e. Lateral wings of the fruit coherent, appearing as one; oil tubes solitary 

 in the intervals. 

 /. Petals of the outer flowers irregularly enlarged, obcordate ; leaves 



tomentose, the upper ones simple. 14. Heracleum 



/. Petals not enlarged ; leaves not tomentose, all compound. 



15. Imperatoria 

 c. Lateral wings separate, appearing as two ; oil tubes more than one. 



/. Leaflets incised-cleft, rather finely divided; stylopodium short-conical. 



16. CONIOSELINUM 



/. Leaflets coarse, simply or doubly serrate; stylopodium depressed. 



17. Angelica 



(/. Involucral bracts cleft or pinnatifid ; fruit with the two dorsal secondary ribs and 

 the two lateral primary ribs the most prominent, hence with two dorsal ribs on 

 each carpel, these ribs ciliate with barbed prickles ; umbels usually concave in 

 fruit ; petals white, the outer ones often enlarged. 18. Daucus 



1. Sanicula (Tourn.) L. 



a. Styles much exceeding the bristles of the fruit, recurved. 



b. Sepals of the staminate flowers lanceolate, 1.5-2 mm. long; fruit 6-7 mm. long; 

 plant coarse ; flowers whitish green. 1. 5". marilandica 



b. Sepals of the staminate flowers triangular-ovate, 0.7-0.9 mm. long; fruit 3-4 (5) 

 mm. long; plant less coarse; flowers yellowish green. 2. S. gregaria 



a. Styles shorter than the bristles. 



b. Staminate flowers short-pedicelled ; fruit subglobose, 3-4 (5) mm. long; calyx 

 depressed ; leaf segments 3-5, rather narrow. 3. S. canadensis 



b. Staminate flowers on long slender pedicels ; fruit ovoid, 5-8 mm. long, tipped 

 with a conspicuous calyx ; leaf segments commonly 3, broader. 



4. S. trifoliata 



1. S. marilandica L. Sanicle. 



Damp or rather dry rich borders of woods and thickets, in gravelly neutral or 

 acid soils; frequent. Fr. July 15-Aug. 



Enfield Glen; Six Mile Creek; Cascadilla woods; Fall Creek; McLean; and 

 elsewhere. 



Newf. to Alberta, southw. to Ga. and Colo.; frequent on the Coastal Plain. 



2. S. gregaria Bickn. 



Gravelly woodlands and thickets, in richer, more moist, and less acid soils than the 

 preceding; frequent. Fr. July 20-Aug. 



11 



