80 Key to the System of 



Fruitlets turgid. 



Stems and branches hard, usually twining ; pollen-masses 

 ascendent, often clavate- ellipsoid ; fruitlets often large, 

 usually only one developed. Marsdenia. 1659 



AFOCYNEAE. 



397. Erect shrubs. 



Leaves opposite or whorled ; stamens enclosed in the corolla- 

 tube ; fruit abbreviated, when well developed consisting 

 of two succulent indehiscent simple or jointed fruitlets. 



Alyxia. 1661 



Woody twiners. 



Leaves opposite ; stamens exserted from the corolla- tube ; 

 fruit much elongated, longitudinally dehiscent ; seeds 

 terminated by a tuft of long hairlets. Figure 101. 



Lyonsia. 1662 



ASFERIFOIiIAE. 



398. Style cleft into two divisions. 



Tall shrubs or oftener trees ; leaves comparatively large ; 

 anthers disconnected ; fruit undivided, smooth, four- 

 celled. Ehretia. 1663 



Style undivided ... 399 



399. Anthers longitudinally connate. 



Dwarf shrubs or semiherbaceous plants ; flowers compara- 

 tively large ; anthers terminating in a narrow elongation ; 

 fruit seceding into two fruitlets ; fruitlets smooth, two- 

 celled and two-seeded. Figure 106. Halgauia. 1664 



Anthers entirely or nearly disconnected ... 400 



400. Fruit seceding into two fruitlets. 



Always herbs, often small ; flowers in racemes, always very 

 small ; fruitlets erect, somewhat laterally fixed, wrinkled 

 or granular-rough. Rochelia. 1665 



Fruit seceding into four fruitlets ... ... 401 



401. Fruitlets depressed. 



Always herbs, often rather large ; flowers in racemes ; 

 fruitlets beset with hooked minute asperities. 



Cynoglossum. 1666 



Fruitlets erect 402 



