KEY TO THE ORDERS. XUl 



Podophyllum, in 



BerberidaoejE. — Calyx fugacious. Leaves large, peltate, 



deeply lobed. Fruit a large fleshy berry, 1-oelled. 10 



^-^- Pistil syncarpous. (Stigmas, styles, placentae, or cells, 

 more than one). 



Actsea, in 



Ranunculace^, might be looked for here. Fruit a 



many-seeded berry. Leaves compound 2 



Ntmph^aoe^b. — Aquatics. Leaves floating, large, deeply 



cordate 12 



Sabraoeniaoe^. — Bog-plants. Leaves pitcher-shaped . . l;i 



Papaveeace^. — .luice red or yellow. Sepals 2, caducous. 14 



Cappakidaoe.^. — Corolla cruciform, but pod 1-celled. 



Leaves of 3 leaflets , 25 



Htpericace^. — Leaves transparent - dotted. Stamens 



usually in 3, but sometimes in 5, clusters 30 



CistacejE. — Sepals 5, very unequal, or only 3. Ovary 1- 



celled, with 3 parietal placentae 29 



Malvace^. — Stamens raonadelphous, connected with the 

 bottom of the petals. Calyx persistent. Ovaries 

 in a ring 38 



T1LIACE.S;. —Trees. Flowers yellowish, in small hangiiig 

 cymes, the peduncle with a leaf-like bract at- 

 tached 39 



* » Stamens perigynous (inserted on the calyx). 

 Poptulaea, in 



PoRTULACAOEiE. — Low herbs, with fleshy leaves. Sepals 

 2, adhering to the ovary beneath. Pod opening 

 by a lid 37 



Rosacea. — Leaves alternate, with stipules. Fruit apo- 

 carpous, or a drupe, or a pome 62 



Cactaoejs. — Very fleshy (commonly prickly) plants, of 

 peculiar appearance ; either globose or of flattened 

 joints. Sepals and petals many. Stamens many, 

 inserted on the tube of sepals and petals 86 



* * * Stamens epigynous (attached to the ovary). 

 Nymphsea, in 



NTMPHaEACE^E. — Aquatic. Leaves -floating. Flowers 

 white, large, with numerous petals gradually 

 passing into stamens 12 



