6 POLYPETALZE. 
* * Pistil compound, of 2 or more united carpels; as shown by more than one stigma-lode, 
stigma, style or cell in the ovary; or by its not being at all one sided. 
Petals more numerous than the sepals: 
Indefinitely numerous, slender, persistent. Aquatic plants.. Nymphsaces, 
Just twice,as many (4 or 6): sepals caducous............. ...Papaveracess, 
Five to sixteen; style 3-8-cleft: fleshy herbs................. Portulacacess, 
Petals of the same number (5) as the persistent sepala. 
Leaves opposite: sepals equal.............. seecceccscces..- Hypericacess, 
Leaves alternate: sepala unequal............. 2-0 eee Briares Guaveiwitbe Cistaces, 
Leaves radical, hollow, 2-appendaged at hooded top........Sarraceniacem, 
2. Stamens and petals on the free or adnate calyx. 
Leafless, thorny, fleshy plants: ovary prickly, inferior........... deerersh dan Cactacess, 
Leaves mostly opposite, very fleshy: ovary inferior. .... aiarelaraisionanisiew bes Ficoidess, 
Leaves opposite. Shrub: sepals and petals numerous............ Calycanthacesm, 
Shrubs: sepals 4 to 7: flowers white............. Saxifragacesrs, 
Leaves alternate or radical: herbs or shrubs...............++ Shaesewons Rosacea, 
Leaves alternate; no stipules: rough herbs: ovary inferior.............. Loasacess, 
8. Stamens on the claws of the petals. 
Stamens many, distinct, anthers long: calyx a conical cap: petals 4.. Papaveraces, 
8tamens many, united into a tube: anthers small: petals 5. ........... Malvacess, 
Stamens 10 to 16, united half way: shrub............. javsh novavarntye ayes Styracacess, 
B. STAMENS 10 OR LESS. 
17 
18 
31 
33 
26 
18 
64 
65 
53 
54 
48 
63 
18 
33 
77 
1. Ovary or ovaries superior (i.e., free from the calyx) or mainly so, but 
sometimes included in the calyx-tube. 
* Pistils more than one, not united. 
Pistils of the same number as petals and sepals. 
Leaves simple, entire, fleshy.......-.......0. cc ccueeeeeceeees Crassulacess, 
Leaves pinnate: styles united, globular ovaries distinct..... .....Geraniacess, 
Pistils not of the same number as the sepals and petals. 
Two or three. Shrubs or trees: leaves opposite, compound...... Sapindaces, 
Herbs; leaves simple............2.006 Boe sprees Saxifragaces, 
Many. Stamens on the receptacle............... Deeg eases Ranunculacess, 
Stamena on the oalvx: leaves compound, mostly radical..... Rosacess, 
