CLASS V. ORDER IT. 33 



Selixum. Involucre reflexed : perianth entire : 

 petals heart-form, equal : fruit flat-compressed, 

 striated in the middle, oval-oblong. 45. 60 — canu" 

 densCi (milk-parsley) glabrous, leaves doubly-pin- 

 nate. 



CoNiuM. Partial involucres halved, somewhat 



3-leaved : fruit somewhat globular, marked with 5 



lines, crenatc at both ends. 45. 60 — maculaiuniy 



(poison hemlock) stem spotted) leaves tripinnate. 



% . w. 



' With a fiartial^ and without a general^ invO' 



lucre. 



Chaerophyllum. Involucre concave, reflex- 

 ed, 5 to 8 -leaved : petals inflexed, heart-form : 

 fruit oblong, smooth or striated, very glabrous. 45. 

 60 — claytoni^ (sweet cicely) petioles 3-parted, leaf- 

 ets pinnatifid-lobed. 2/. 



CicuTA. Involucre 3 to 5-leaved : fruit sub- 

 ovate, grooved. 45. 60 — maculata^ (cowbane) slip- 

 Ules 2-lobed. 



Imperatoria. Fruit roundish, compressed, 

 gibbous in the middle, bound at the margin with a 

 wing : petals inflex-emarginate. 45. 60 — ostruthi- 

 ujTij (master-wort) leaves biternate. e. 



Scaxdix. Umbel simple : flowers rayed ; in- 

 volucre many-leaved, emarginate, or gash-pinnate : 

 fruit somevj'hat hairy, terminated with a very long 

 beak. 45. 60 — cerefolium^ (chervil) leaves tripin- 

 nate. ©. w. 



Without a fiartial involucre, and rarely hav» 



ing a general one. 



Smyrnium. Fruit somewhat compressed, gib- 

 bous, striate : petals acuminate, keeled. — ^^Fruit 

 becoming black.) 45. 60 — auruem, (alexanders) 

 leaves pinnate. \i . y — integerrimum^ leaves ter- 

 nate or biternate. >2 . y. 



