608 UMBELLIFERAE (PARSLEY FAMILY) 



= == Leaves d«c<nni>onn(1 ; oil-tubes solitary or none; perennials. 



11. Aegopodium. liihs equal, tiliforui. Oil-tubes none ; styloi)odiuui conical. Leaves biternat*. 



12. Cicuta. liibs tiattish, corky, the lateral largest. Mar.sh plants. 



i;i. Carum. Uibs filiform, inconspicuous; stylopodium short-conical. Leaf-segments filiform. 

 IVtals unite or roseate. 



14. Petroselinum. Kibs filiform, inconspicuous; stylopodium short-conical. Leaf-segments 



incised. Petals greenish-yellow. 



= = = Leaves once pinnate ; oil-tubes &-many ; stylopodium depressed ; aquatic perennials. 



15. Berula. Fruit nearly globose ; ribs inconspicuous ; pericarp thick and corky. 



16. Sium. Fruit ovate to oblong ; ribs prominent, corky, nearly equal. 



= = = == Leaves 3-foliolate ; stylopodium conical ; oil-tubes solitary, beneath and between the ribs. 



17. Cr3rptotaenia. Kibs obtuse, equal ; fruit linear-oblong, glabrous. 



-I- H- ->- Carpels terete or sliglitly flattened laterally ; petals golden yellow. 

 Is. Zizia. Fruit ovate to oblong; ribs filiform ; stylopodium none ; seed terete. 



-(- -i- -i- -1- Carpels depressed dorsally ; fruit short. 

 ++ Seed-face flat or nearly so ; petals mostly yellow. 

 11). Foeniculum. Ribs prominent ; oil-tubes solitary. Leaves filiform -dissected. 



20. Pimpinella. Ribs filiform; oil-tubes numerous; stylopodium depressed-conical. Leaves 



pinnate. Petals white. 



21. Taenidia. Ribs filiform; oil-tubes numerous; stylopodium none. Leaves palmately com- 



pound. Petals yellow. 



++ -H- Seed-face decidedly concave ; petals white (except in Bapleurwn). 



= Leaves compound. 

 a. Fruit beakless ; oil-tubes numerous. 



22. Eulophus. Stylopodium conical. Glabrous perennials from fascicled tubers. Leaves pin- 



nately compound. 

 h. Fruit (in ours) conspicuously beaked ; oil-tubes solitary in the intervals or none ; leaves 2-8 



ternately or -pinnately divided. 



2:3. Anthriscus. Beak not more than one third to one half as long as the body of the fruit, smooth. 



24. Scandix. Beak much exceeding the body of the fruit, its margins upwardly hispid. 



■= = Leaves entire. 



25. Bupleurum. Fruit oblong, with slender ribs, no oil-tubes, and prominent flat stylopodium. 



Leaves simple, perfoliate. 

 * * * Fruit not flattened either way or but slightly, neither prickly nor scaly. 

 -»- Dorsal ribs filiform, the lateral very thick and corky ; oil-tubes solitary. 



2C. Lilaeopsis. Small glabrous creeping perennials, rooting in the mud, with small simple 



umbels and leaves reduced to hollow cylindrical jointed petioles. 

 2T. Cynosciadium .V'lnuals with compound leaves and compound umbels. 



+- -!- Ribs all prominent and equal but not winged ; flowers white or roseate. 



++ Ribs acutish or rounded, narrower than the intervals between them. 



2S. Ligusticum. Stoutish perennials. Leaves 2-i-ternate ; leaflets ovate, obovate, or oblong. 



29. Coriandrum Slender annuals. CauUne leaves' cleft or dissected into linear .segments. 



+<- ++ Ribs thickish and corky, broader than the intervals. 



30. . Aethusa. Slender annual with finely divided leaves. Oil-tubes solitary in the intervals, 2 on 



the (•iiiiiiiiissure. 

 :n. Coelopleurum. Stout maritime perennial. Oil-tubes under the ribs as well as in the inter- 

 vals, 2-4 on the commissure. 

 ^_ +- ^_ Kibs all conspicuously winged ; stylopodium depressed or wanting ; perennials. 



'ii. Cymopterus. Low :uh1 glabrous, mostly cespitose, with pinnately comi)Ound leaves and 



white flowers. Oil-tubes 1-several. Western. 

 :«. Thasplum. Tall, with ternately divided or .simple leaves, and yeUow flowers (rarely purple). 



Oil tul'e.s solitarv in the intervals, 2 on the commissure. 



