ERICACEAE (HEATH FAMILY) 101 



clustered at the ends, ovate or oval, acute at base, long-pointed; cymes 

 broad and open; fruit deep blue. Thickets. May, June. 



NYSSA 



Trees, with alternate, entire, or angulate-toothed leaves, green- 

 ish dioecious, 5-merous flowers on axillary peduncles, very small 

 petals (deciduous), 5-10 stamens, and fruit a drupe. 



N. sylvatica, SOUR GUM. Medium-sized tree ; leaves oval or obovate, 

 more or less pubescent when young, shining above when old ; pistillate 

 flowers 3-8 at summit of slender peduncle ; fruit ovoid, bluish-black. 

 Rich soil. April, May. 



ERICACEAE (HEATH FAMILY) 



Mostly shrubs, with regular floivers, stamens as many or twice 

 as many as the petals (4 or 5), anthers appendaged or opening by 

 terminal pores, style I, and ovary 3-io-celled. 



LEDUM 



Low shrubs, with alternate entire leaves clothed with rusty 

 wool beneath and with revolute margins. Small white flowers in 

 terminal, umbel-like clusters. 5 obovate and spreading petals and 

 a 5-celled capsule. 



L. groenlandicum, LABRADOR TEA. Erect, i m. or less high ; leaves 

 oblong or linear-oblong; stamens 5-7; capsule slender, cylindric. Bogs 

 and damp thickets. May, June. 



RHODODENDRON 



Shrubs or small trees, with mostly alternate entire leaves. Large 

 showy flowers in umbel-like clusters from terminal buds. Bell- 

 shaped or funnel-form corolla; and 5-celled capsule. 



R. viscosum, SWAMP HONEYSUCKLE. Branchlets bristly, as well as 

 the margins and midrib of the oblong-obovate leaves; corolla white, 

 clammy, the tube much longer than the lobes; the 5 stamens and style 

 long exserted. Swamps. June, July. 



