GUIDE TO PLANT FAMILIES xxxi 



PAGE OF 



FAMILIES AND 



SPECIES 



Ovoid head, of 1- to 2-seeded berries, each 

 with a short curved beak at the tip. 

 Hydrastis in 



RANUNCULACE^E . . xxxv 



Head of small drupes on spongy or juicy 1 xxxvi, 

 receptacle. Rubus in ROSACES . J xxxvii 



Dry achenes borne on surface of enlarged 

 pulpy receptacle. Fragaria in ROSACE^E xxxvi 



(E) MULTIPLE FRUITS 



Achenes covered by the succulent calyx, 

 the united spike forming a multiple fruit. 



MORACE.E .... xxxiv 



(F) ACCESSORY FRUITS 



Four -cleft calyx inclosing ovary and be- 

 coming berrylike in fruit. 



Lepargyraea in 



EL^AGNACE^E . . . xxxix 

 Five-toothed calyx inclosing capsule in 

 berrylike fruit. Gaultheria in 



ERICACEAE . . . . xl 



(G) MISCELLANEOUS 



Thick seed stalks bearing 2 naked seeds 

 resembling drupes in their fleshy blue 

 coverings. Caulophyllum in 



BERBERIDACE^E . . xxxv 

 Bony achenes in rather fleshy calyx tube. 



Rosa in ROSACES xxxvi 

 Somewhat fleshy, dehiscent, 2- to 5-parted 

 pod with ariled seeds. 



CELASTRACE.E . . xxxix 



