GUIDE TO PLANT FAMILIES 



XXIX 



(b) Calyx persistent at base. 

 Four to eiq-ht nutlet 



Page of 

 Families and 



Species 



Ilicace^ 



. . . XXXVlll 



Five to ten nutlets. Trailing or depressed 

 shrub. Arctostaphylos in 



Ekicace^ . . . . xli 

 Low evergreen shrub with leaves rolled 

 backwards until the margins meet. 

 Empetrum in 



Empetrace.e . . . xxxviii 

 II. Calyx absent. 



Single nutlet. Thymeleace^ . . xxxix 



Two to four nutlets of cartilaginous texture. 



Rhamnace^ . . . xxxix 



Typical Drupes 

 I. Calyx persistent. 



(ft) Calyx teeth or top of tube crowning the summit. 

 Small drupe with usually globose stone. 



COIINACE^ . . . . 



One-seeded, flattened or tumid, thin, crus- 

 taceous stone. Viburnum in 



Caprifoliace^e . . 

 Dryish drupe with usually 3 nutlets. 

 Triosteum in 

 Caprifoliace^ . . 

 (b) Calyx persistent at base. 



Drupe borne on fleshy red pedicel. 

 Sassafras in 



LAURACE.E . . . . 



Drupes in elongated racemes. 



Prunus serotina in 

 Drupace^ . . . . 



Drupes in loose panicles. Chionanthus in 



OLEACE.ii . . . . 



xl 



xlii, 

 xliii 



xliii 



XXXVlll 



xlii 



