KEY TO THE OKDERS. 



% Figures In tho margin refer to papea. When names are not followed by figures the genus- or order to- 

 dlcated is not elsewhere described in this book. 



Calyx and corolla together of either more or less than six parta CLASS X, 5 



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



Stamens six or three | 



Stamens many: sepals three, green / CLASS H, 12 



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 Leguminosse, 39 



Stamens nine: flowers apetalous, small. 



An aromatic tree: flowers greenish UmbcUularia. (Laurel) 



Herbs with several or many flowers in involucral cups Eriogonum.. 



CLASS L-EXOGENS OR DICOTYLEDONS. 



Calyx and corolla both present. 



Petals not united (distract) DIVISION" 1, 5 



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



Calyx and corolla one or both wanting DIVISION 3, 10 



DIVISION 1. POLYPETAL.E. 



A. STAMENS MOKE THAN 10. 



1. Stamens not adhering to the sepals or petals (on tho receptacle). 



* Pistils few to many distinct carpck. 



Calyx deciduous, sepals 5: no stipules RannnculaceSB, 14 



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



Calyx persistent, sepals 6 or 10: leaves with stipules Rosaceae, 43 



Calyx of petal-like sepals: corell* often wanting RanunculaceaD, 14 



