Classificatio7i of Plants 



159 



A A. Pistil syncarpous, ovary inferior (except 

 • in some Ficoidese). 

 Petals (staminodia) numerous. Embryo 



curved. Plants with fleshy leaves . FlCOlUE.-E. 

 Petals 4 ; ovary inferior ; calyx (re- 

 ceptacle) with a long tube extending 

 beyond the ovary .... OnagrarL'E. 



Petals 5 ; ovary inferior, 2 -celled, 2-seeded 



flowers in umbels .... Um belli F£R^. 



Group 2. — Gamopttalcz. 

 Sub-class IV. — Gamopetal^. 

 A. Ovary inferior. 



B. wStamens inserted on the corolla tube. 



Ovary I -celled, with one ovule ; embryo 

 filling the seed ..... 



Ovary 2 or more celled ; seeds albuminous ; 

 leaves opposite ..... 



BB. Stamens epigynous, free from the corolla ; 

 ovary 2-io-celled ; fruit a capsule 

 A A. Ovary superior. 

 B. Flowers regular, 

 C. Leaves alternate. 



Flower parts in 4 ; fruit a capsule . 

 Perianth 5-pa-rted ; fruit a berry or capsule 

 Perianth 5-parted ; fruit an achene . 

 CC. Leaves opposite. 



D. Pollen grains collected in masses. 



Herbs often with milky juice . 

 DD. Pollen grains separate. 



Shrubs with milky juice ; seeds 

 usually hairy ; fruit a berry or 

 follicles ; leaves alternate and 

 stipulate in Pachypodium 

 Herbs with bitter juice ; corolla 

 withering on ; fruit a berry or 

 follicles ; seeds not hairy 

 BB. Flowers irregular. Corolla 2-lipped. 

 C. Ovary 2-celled ; fruit a capsule. 



Disc absent. Seeds many, not winged . 



Disc present. Seeds winged except in 



Kigelia ...... 



CC. Ovary deeply 4-lobed or 4-celled, with 

 one ovule in each cell. 

 Fruit of 4 separable nuts. 

 Leaves opposite ; stem square ; strong 



odour Labiat/E. 



Leaves alternate ; stem round . . Boraginace.'E. 



COMPOSIT.'E. 

 RUBIACE.^. 



Campanulace^.. 



Ericace^. 



Solanace^. 



Plumbaginace.^. 



Asclepiadace^. 



Apocyne/e. 



GENTrANACE.-E. 



SCROPHULARIACE^. 

 B[GXON'IACE/E. 



