ERICACEAE 117 



cup-shaped perfect white polypetalous flowers clustered at 

 ends of the branches; and small many-seeded capsules dehis- 

 cent from the top. (Dendrium). 

 Leaves revolute, on appressed petioles. L. buxifolium. 



LOISELEURIA. 



Low matted evergreen shrubs with small opposite crescent- 

 shaped raised leaf-scars with a single bundle-trace; no stipule 

 scars; small appressed buds with indistinct scales; small ellip- 

 tical glabrous entire leaves; few small cup-shaped gamopeta- 

 lous perfect white or rosy flowers with 5 stamens; and snu.il 

 many-seeded capsules dehiscent from the top. (Chamaccistus) . 

 Leaves revolute, on divergent petioles. L. procumbens. 



KALMIA. American Laurel. 



Evergreen shrubs with hard brownish wood with minute 

 diffused pores and rather fine unequal medullary rays; some- 

 what angular continuous pith; moderate or slender twigs; 

 crescent- or shield-shaped leaf-scars with a single bundle-trace; 

 small buds with about 2 exposed scales; no stipule-scars; sin> 

 ple leaves rather crowded at end of the season's growth; wheel- 

 shaped gamopetalous flowers with the anthers at first held in 

 pockets in the corolla; and small capsules. 



1. Leaves large (8-10 cm= long), alternate. K. latifolia. 

 Leaves smaller (scarcely 6 cm.), opposite or whorled. 2. 



2. Twigs rounded: leaves stalked. K. angustifolia. 

 Twigs 2-edged: leaves nearly stalkless, glaucous. K. Folifolia. 



PHYLLODOCE. Mountain Heath. 



Small matted evergreen shrubs with alternate raised mi- 

 nute crescent-shaped leaf-scars decurrent on the twigs as ridges; 

 a single minute bundle-trace; no stipule-scars; small sessile 

 oblong flat leaves; small purplish gamopetalous urn-shaped 

 slender-stalked terminal flowers; and small roundish many- 

 seeded capsules. 



Leaves minutely serrulate, obtuse. P. caerulea. 



CASSIOPE. 



Moss-like trailing evergreen shrubs with slender subterete 



