xii KEY TO FAMILIES AND ABNORMAL GENERA 



f Style unbranched or stigmas without style, on an ovary of 



one or more cells 9 



Styles three to five, or branched ovary of one or more 



cells 16 



Ovary of several distinct carpels each with its short 



style 29 



J Ovary and fruit of one cell only 10 



^ (Ovary and fruit of two to five cells 18 



f Stamens five only : flowers regular or nearly so . . 11 



I Stamens seven to ten or many free or united : Seed attached 



io-{ to one edge only of the pod. . . /. 29. leguminose^. 



I Stamens many : fruit fleshy with many seeds ..... 



I /• 5- SCOLOPIA. 



r Trees : fruit more or less fleshy 12 



J Trees : fruit a five-valved capsule : leaves large pinnate. 



^^ J /». 22. CEDRELA. 



[ Herbs : fruit dry 14 



^Seed one only 13 



Fruit i in., orange ; pulp sticky : style i in 



12^ p. 6. PITTOSPORUM. 



Fruit i^ — 3 in., brown ; no pulp ; a narrow scale against 



each petal . . /. 6. hydnocarpus. 



I^Flr. in tall panicles : Is. simple hard, or pinnate. . ./. 29. 



" Spiraea — tree "... /. 29. sabiace^. 



13^ Fir. in flat corymbs, evil smelling: leaves simple, broad, 



soft /. 24. mappia. 



^ Fir. solitary or few lateral. . . . /. 23. gomphandra. 



[ Fruit a two-valved capsule : leaves pinnate ..... 



i4-{ /. 22. heynea. 



[ Fruit dry or fleshy, indehiscent . 16 



[ One petal spurred : fruit three-valved . , . /. 5. viola. 

 15 -{ Petals fringed : fruit opening at the top. ..",... 

 [ /. 4. reseda. 



1^ Marsh herbs with opposite leaves and pink flowers . . . 

 ] /• 52. rotala. 



16 -{ Trees and thorny climbers with scented gland-dotted leaves. 



1 /. 20. RUTACE^. 



l^ Herbs, shrubs, trees and climbers. 



Petals four ; stamens six; capsule two-celled. Herbs. 18 



Petals four or five ; stamens same number . . . . 19 



17^ Petals five ; stamens eight ; leaves three-foliate. Tree. . 



/. 28. ALLOPHYLUS. 



i Petals five; stamens numerous : trees or herbs . . 22 

 { Sepals two, petals unequal : leaves delicate, much divided. 



l2,\ /. 3. FUMARIACE.E. 



[ Sepals four, petals equal /. 4. CRUCiFERiB, 



