KEY TO THE OKDERS. 



•*« Vlgnres in tho margin refer to pagea. When names are not followed bj flgnres the crenofr or 

 dloated is not elsewhere desorlbed In this book. 



[ 



Calyz and corolla together of either more or less than six parts CLASS X, 6 



Calyx and corolla together of just six parts: petals never five. 



Stamens six or three 



Stamens many: sepals three, green (' CLASS U, IS 



Stamens one or two united to the style: ovary inferior, . . 



Stamens many: flowers solitary on long peduncles PapaveracesB, 18 



Stamens ten: petal one: a shrub LegtlTninoBiB, 39 



Stamens nine: flowers apetalous, smalL 



An aromatic tree: flowers greenish UmbeUularia. (LaureL ) 



Herbs with several or many flowers in involncral caps Briogcmum. 



CLASS I.— EXOGENS OR DICOTYLEDONS. 



Oalyx and corolla both present. 



Petals not united (distinct) DIVISION 1, 8 



Petals more or less united (cohering) DIVISION 2, 9 



Calyx and corolla one or both wanting DIVISION 3, 10 



DIVISION 1.— POLYPETAL^. 



A. STAMENS MOBE THAN 10. 



1. Stamens not adhering to tbe sepalB or petals (on the receptacle). 



* PistiUfew to many diitinct carpeU. 



Calyx decidnons, sepals 5: no stipules Kaniinculaceee, 14 



Calyx persistent, sepals 3 or 4: growing in water NymphseaceeB, 17 



Calyx persistent, sepals 6 or 10: leaves with stipules Sosaceee, 4d 



Calyx of petal-like sepals: co>«U> often wanting Banunculacese, 14 



