ARTIFICIAL KEY. 



B. Flowers irregular {vide p. 114) 



1. Leaves simple opposite 



2. Leaves alternate, simple 1-3-folio- 



late or pinnate. Fls. papiliona- 

 ceous ..... 



3. Leaves alternate, 1-2-pinnate. 



Fls. not papilionaceous 



Hiptage. 



(p. 263) 



Papilionaceae 



(p. 308) 



Caesalpiniaceae 

 (p. 294) 



Stamens or Anthers 12-16. 



See also Menispermacea& with 6 stamens and 6 stami nodes, and 

 under stamens many. 



Dicotyledons. 



I. Herbs or undershrubs. 

 Sep. 0, Pet. 3. St. 9-12 (but only 



3 usually perfect) 

 Sep.,2 deciduous. Pet. 4-5. St. 8-12 



Sep. 4. Pet. 4. St. 12-20 . 

 Sep. 4-5. Pet. 4-5. St. 8-15 



II. Trees or shrubs. 

 A. Perianth simple 



Olax (p. 371) 

 Portulaca 



(p. 378) 

 Capparidaceae 



(p. 155) 

 TiliacesB 



(p. 192) 



not 



or, if double, 

 differentiated into calyx and corolla. 



1. Fls. 1-sexual or stamens hypogynous. 



Anthers sessile in a ring on the top of a 

 column ..... 



Anthers not sessile. 

 Fls. axillary clustered 



Fls. in long spikes or racemes 



Fls. in heads of close umbels sur- 

 rounded by whorls of imbricating 

 bracts. L. often aromatic 

 117 



