106 STACK YUBACEAE 



Family STACHYURACEAE. 

 A small and unimportant family. 



STACHYUBUS. 



Deciduous shrubs with slender rounded twigs; relatively 

 large rather angular continuous pith; alternate somewhat 

 raised crescent-shaped leaf -scars with 3 bundle-traces; small 

 stipule-scars; sessile round-ovoid buds with about 3 exposed 

 scales; rather large petioled leaves; small polypetalous 4-mer- 

 ous rounded flowers in axillary spikes; and small berry-like 

 fruit. 

 Leaves ovate or lance-ovate, serrate. S. praecox. 



Family THYMELAEACEAE. Mezeron Family. 

 A small family of little importance apart from landscape 

 use; one mezereon famed in Asia for its very fragrant flowers. 



DIKCA. Leatherwood. 



Small deciduous shrubs with terete very tough sympodial 

 twigs abruptly contracted at the end of each year's growth; 

 somewhat angled spongy pale pith; alternate raised horse- 

 shoe-shaped leaf-scars with about 5 bundle-traces; no stipule 

 scars; small solitary sessile round-conical buds nearly sur- 

 rounded by the leaf-scar; very short-stalked simple entire 

 moderate leaves; rather small yellowish perfect apetalous 

 flowers with corolla-like calyx in small clusters from the open- 

 ing buds; and 1-seeded fleshy fruit. 

 Leaves elliptical-obovate, glabrous. D. palustris. 



DAPHNE. Mezereon. 



Small sometimes evergreen shrubs with tough bark; white 

 wood with sparse diffused minute ducts and very fine medul- 

 lary rays; rounded twigs; small round or 3-sided homogeneous 

 pith; alternate low small transversely elliptical leaf-scars with 

 1 bundle-trace; no stipule-scars; sometimes superposed sessile 

 small round-conic buds with several exposed scales; simple 

 entire small subsessile leaves; small perfect apetalous flowers 



