Classification of Plants 



203 



SERIES II. Disciflorae. 



A. Stamens beneath the disk forming a ring or 

 broken up into glands. 



Flowers often zygomorphic ; leaves not 

 gland-dotted ; disk extended between the 

 i-seeded carpels GERANiACE^. 1 



Flowers mostly regular ; leaves gland- 

 dotted ^ RUTACE^E. 



AA. Stamens w^diin "or on the margin of the 

 disk ; sometimes beneath. 



Trees or shfubs often spinous ; leaves 



simple, opp. or ait/*. "' .... CELASTRINE;E. 



Trees or shrubs often spinous ; leaves al- 

 ternate, mostly pinnate ; disk often at one 

 side SAPINDACE/E. 



SERIES III. -Calycirlorae. 



A. Pistil apocarpous, sTqserior (except in some 



Rosaceae) ; stamens perigynous. 

 B. Carpel i ; fruit a legume . . . 

 BB. Carpels two or more (South African 



genera). 



Stamens numerous ; leaves stipulate . 



Stamens 4-10 (S. A.}; carpels 4-7 . 



AA. Pistil syncafpous, ovary inferior (except in 



soms Ficoideas). 



Petals (staminodia) numerous ; embryo 



curved; plants with fleshy leaves . . . 



Petals 4 ; calyx (receptacle) with a long tube 



extending beyond the ovary, many seeded 



Petals 5 ; 2-celled, 2-seeded flowers in umbels UMBELLIFER^E 



LEGUMINOS^. 



ROSACEAE. 

 CRASSULACE^E. 



GROUP 2. Gamopetalce. 



A. Ovary inferior. 



B. Stamens inserted on the corolla tube. 

 C. Ovary i-celled, i-ovuled; flowers in 



heads, leaves, ex-stipulate. 

 Stamens 4, free; ovule pendulous. 

 Heads definite, leaves opposite . . DIPSACE^E. 



Stamens 5, anthers united ; ovule erect ; 

 heads indefinite 



COMPOSITE. 



1 Including OXALIDACE^E. 2 Aizoaceas Engler. 



3 Oenotheraceae, Engler. 



