ANALYTICAL KEY TO THE FAMILIES xxiii 



hb Stipules wanting. 



c Leaves clustered at the apex of simple stout stems, parallel-nerved, persistent. 



Roystonea and Pseudophcenix in Palmae (pp. 112, 114). 

 cc Leaves scattered on branched stems. 

 d Leaves persistent. 



Leaflets long-stalked (sometimes nearly sessile in Fagara flava). 

 Leaflets ovate-oblong, wedge-shaped at the base. 



Fagara flava in Rutaceae (p. 583). 

 Leaflets broadly ovate, usually rounded or subeordate at the base. 



Metopium in Anacardiaceae (p. 603). 

 Leaflets sessile or nearly so. 

 Petiole and rachis winged. 

 Leaflets crenate, obovate, about ^' long ; branches prickly. 



Fagara Fagara in Rutaceae (p. 581). 

 Leaflets entire, oblong, usually acute, 3'-4' long ; branches unarmed. 



Sapindus Saponaria in Sapindaceae (p. 650). 

 Petiole and rachis not winged ; leaflets acuminate, 7-19. 



Sapindus marginatus in Sapindaceae (p. 651). 

 dd Leaves deciduous. 



Leaflets long-stalked, entire, acute, 3-7. Burseraceae (p. 591). 



Leaflets sessile or nearly so. 



Branches prickly ; leaflets crenate. 



Fagara Clava-Herculis in Rutaceae (p. 582). 

 Branches unarmed. 

 Juice milky or viscid ; leaflets serrate or entire ; rachis sometimes 

 winged. Rhus in Anacardiaceae (p. 604). 



Juice watery ; rachis without wings. 

 Leaflets entire, acuminate, 7-9. 



Sapindus Drummondi in Sapindaceae (p. 652). 

 Leaflets serrate or crenate. 



Winter-buds large and scaly or naked ; leaves aromatic. 



Juglandaceae (p. 125). 

 Winter-buds minute, globose, scaly ; leaflets 5-7, ovate, not aro- 

 matic. Ungnadia in Sapindaceae (p. 655). 



