GUIDE TO PLANT FAMILIES xxix 



PAGE OF 

 FAMILIES AND 



(6) Calyx persistent at base. SPECIES 



Four to eight nutlets. ILICACE.E .... xxxviii 

 Five to ten nutlets. Trailing or depressed 

 shrub. Arctostaphylos in 



ERICACEAE . . . . xli 

 Low evergreen shrub with leaves rolled 

 backwards until the margins meet. 

 Empetrum in 



EMPETRACE.E . . . xxxviii 

 II. Calyx absent. 



Single nutlet. THYMELEACE.E . . xxxix 



Two to four nutlets of cartilaginous texture. 



RHAMNACE.E . . . xxxix 



Typical Drupes 

 I. Calyx persistent. 



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

 Small drupe with usually globose stone. 



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

 taceous stone. Viburnum in 



CAPRIFOLIACE.E . . 

 Dryish drupe with usually 3 nutlets. 



Triosteum in 



CAPRIFOLIACE.E . . xliii 

 (6) Calyx persistent at base. 



Drupe borne on fleshy red pedicel. 



Sassafras in 



LAURACE^E .... xxxv 

 Drupes in elongated racemes. 



Primus serotina in 



DRUPACE^E .... xxxviii 

 Drupes in loose panicles. Chionanthus in 



OLEACEJS .... xlii 



