H\ 



30{] 



TTMBELLIFEE^. 237 



f Fertile flowers and fruits, at least the central ones, nearly sessile, surrounded by 

 no J small, barren, pedicellate flowers. Fruit corky, with prominent calyx-teeth. 

 •*-! 16. CEnahth. 



(.Fertile flowers pedicellate 23 



r Leaves twice or thrice ternate, mth large, broad segments (of 2 or 3 inches) . 34 

 no J Leaves once pinnate, with several pairs of sessile, ovate, lanceolate, or dissected 



I segments 26 



L Leaves much dissected, with small or narrow segments, the lower ones stalked . 30 



Umbels all terminal a-id peduncled 25 



Umbels mostly lateral, and sessile 6. ApiUM. 



f No involucres 11. Goutweed. 



"" (.Partial involucres of several bracts, general one of very few . . . .20. Lovage. 



2g /No involucres 14. PiMPiNEt. 



l Involucres at least to the partial nmbels 27 



2-j ( Umbels terminal 28 



'(. Umbels mostly lateral, almost sessile 39 



j,Q C Fruit ovoid, about 2 hnes long or more 46 



(.Fruit nearly globular, not 1 line long 8. Sisoif. 



G-eneral involucre of several bracts 13. SiUM. 



No general involucre, or only a single bract 7. Helosciad. 



Umbels mostly lateral, almost sessile 31 



Umbels all terminal or pedunculate 33 



/^Leaves with few ovate segments 6. Apixtm. 



31 < Leaves twice or thrice pinnate, with numerous small segments. 



1^ 16. Fine-leaved QSnan-th. 



o.-, r Erect branched annuals (not above 3 feet high) 33 



\ Perennials or tall biennials 36 



o., r Partial involucres longer than the flowers, and reflexed 17. iEiHUSA. 



" 1 Partial involucres shorter than the flowers, or none 34 



„ , r Fruit globular or broader than long 35 



1 Fruit ovoid or longer than broad 41 



q- f Fruit globular, not separating into two 38. Cobiandeb. 



1 Fruit separating into 3 small globular carpels 8. Sisoif. 



C Fruit of 3 little, globular, bladder-Uke lobes or carpels .... 36. Physospeem. 



36 < Fruit nearly globular or broader than long 37 



(.Fruit ovoid or longer than broad 41 



o- / Partial involucre of several bracts 38 



^' \ No involucres 40 



Flowers of a yellowish green. Eibs of the fruit acute, almost winged. 31. SlLAUS. 

 Flowers white. Eibs of the carpels obtuse, or crisped, or not prominent ... 39 

 Calyx-teeth appearing above the fruit. Leaf-segments narrow . . .5. Cowbane. 

 Calyx-teeth not conspicuous. Leaf-segments numerous, small . . 35. Hemlock. 

 j Stem erect, not much branched. Leaves pinnately divided with ovate, lanceolate, or 



.„) hnear segments 14. Pimpikel. 



) Stem short, with spreading stiff branches. Leaves ternately divided with subulate 



(. segments 10. Tbinia. 



('Leaf-segments divided into numerous subulate lobes, not above 2 lines long, in 



41 "I opposite clusters, appearing whorled along the common stalk 43 



(^Leaf-segments oblong-lanceolate or linear, and flat 43 



-n f Common stali of the leaf simple. Fruit not above 2 lines long . 12. Whorled Cabttm. 



\ Common stalk branched. Fruit 3 or 4 Unes long 22. Spignel. 



.„ r Kootstock a globular tuber 44 



1 Kootstock or root not tuberous 45 



{ Styles closely reflected on the fruit. Eibs of the fruit prominent. Vittas single. 

 V 12. Tuberous Cabum. 



i Styles erect. Eibs of the fruit scarcely visible. Vittas several to each interstice. 

 (^ 31. BUNI0M. 



f Umbels of 3 to 5 very unequal rays 9. JVeW Pabslet. 



._ \ Umbels of 7 to 10 rather unequal rays. Calyx-teeth not conspicuous. 



45 •< ' 12. Caraway Caeum. 



(.Umbelsof lOto 30rays. Calyx-teeth prominent 16. CEnanih. 



• Fruit 10 Unes to above an inch long 47 



. Fruit not above half an inch long 48 



■ Fruit thick, with prominent angles or ribs the whole length .... 30. Cicely. 

 , Fruit sHghtly ribbed at the base, with a long, smooth beak . . . .29. Scandix. 



.„ f Fruits mostly sessile or nearly so 16. CEnanih, 



*** (.Fruits all pedicellate 32. Chebtil, 



S8|] 

 39 I ( 



46{] 



