438 UMBELLIFERAE 
Umbellets with involucels. 
Segments of leaflets rather broad Conioselinum 
Segments narrow linear. . . . Aethusa 
Leaflets not dissected . . . . Cicuta 
Fruit compressed . . . Angelica 
Umbellets without involucels. 
Fruit densely bristly . . Caucalis 
Fruit not bristly. 
Leaves finely dissected . . . . Apium 
Leaves simply or doubly feather-formed 
compound. 
Fruit compressed. ‘Leaves not dis- 
sected . . . . .. Ampelneq 
Leaflets round deeply toothed Pimpinella 
Leaflets lance-shaped . . . Oxypolis 
Leaflets linear ~.  . : = «. ‘GxetEe 
Leaves of 3 broad leaflets (ternate). 
Flower umbels regular . . Heracleum 
Flower umbels irregular . Cryptotaenia 
Leaves doubly ternate. 
Sea coast plant . . . Coelopleurum 
Inland plant . . . . .. Aegopodzmm 
Fruit long spindle-shaped 
Fruit less than an in. long. 
Long tapering at base 
ae Chaerophyllum 
Blunt at base . . Osmorhiza 
Fruit and appendage more than an 
inch long... . . « “SORRGEm 
Flowers Yellow 
Leaves undivided, the stem appearing to penetrate the leaf 
[VE RI tia aL ee ah Oe Bi, eee eS AE Bupleurum 
Leaves feather-formed, of deeply lobed leaflets . . Pastinaca 
Leaves ternately or bi-ternately divided. 
Borders of leaflets notched. 
Fruit laterally flattened. . . . i» «%) « J... eee 
Fruit not flattened . . . . =. +. +. QThaspium 
