ERICACEAE 239 



KALMIA — continued 



K. glauca {K. polifolia). 2. April. E. Ls. opposite or in threes, ov., i|, 



dark glossy green above, white below. Fls. 0, rosy purple, in flattish 



clusters. North America. 

 K. latifolia. Calico Bush. 10. June. E. Ls. alternate, ov., lane, 5, glossy 



green above, stalk red. Fls. f, white to deep rose. North America. 



(Fig. 124 G.) 



LEDUM. Stems rusty-felted. Ls. alternate, entire, rusty-woolly below. Fls. \, 

 white, with separate spreading petals, K5, C5, A5-11, in terminal clusters. Fruit 

 a dry capsule. 



L. latifolium. Labrador Tea. 2. May. E. Ls. ov., lane, 2, blunt-ended, 



midrib not visible below. North America. 

 L. palustre. Marsh Ledum, Wild Rosemary. 4. May. E. Ls. linear, i, 

 midrib visible below. Arctic regions. (Fig. 52 a.) 



Leiophyllum BUXIFOLIUM. Sand Myrtle. i\. May-June. E. Ls. opposite 

 and alternate, ov., \, entire, leathery, glossy, hairless. Fls. ^, white or pinkish, 

 with separate spreading petals, K5, C5, Aid, in crowded terminal clusters. East 

 North America. (Fig. 67 f.) 



LEUCOTHOE (ANDROMEDA). Ls. alternate, lane, finely toothed, short- 

 stalked. Fls. \, white, bell-shaped, in racemes or panicles, K (5), C (5), Aid, Fruit 

 a dry capsule. 



(«) Deciduous 



L. racemosa. 6. June. Branchlets slender, erect, downy. Ls. 2, firm, short- 

 pointed, shallowly round-toothed, downy on veins below. Fls. in erect 

 I -sided racemes. North America. (Fig. 102 j.) 



L. recurva. 5. May-June. Branchlets spreading. Ls. 4, thin but firm, short- 

 pointed. Fls. in curved racemes. Virginia to Alabama. 



(Z>) Evergreen 



L. axillaris. 6. April-May. Branches arching. Ls. 4, short-pointed, distantly 

 toothed, glossy above. Fls. in axillary racemes. South-east United 

 States. (Fig. 102 F.) 



L. Catesbaei. 6. May. Branchlets slender, arching, zigzagged. Ls. 5, leathery, 

 long-pointed, closely spine-toothed, a few hairs below. Fls. in axillary 

 racemes. South-east United States. (Fig. 102 G.) 



L. Davisiae. 3. May. Branchlets stout, erect, hairless. Ls. 2, firm, short- 

 pointed, minutely toothed, hairless. Fls. in terminal panicles. North 

 America. (Fig. 102 H.) 



LoiSELEURiA PROCUMBENS. Alpine Azalea, h. June. E. Ls. opposite, ov., I, 

 entire, whitish below, margins recurved. Fls. I, white or pinkish, erect, bell- or 

 star-shaped, in terminal clusters, K5, C (5), A5. Fruit a dry capsule. North 

 Europe (including Scottish Highlands), North Asia, North America. (Fig. 48 K.) 



Lyonia (Andromeda, Xolisma) ligustrina. Male-berry. 8. July. D. Branch- 

 lets zigzagged. Ls. alternate, ov., lane, 3, entire, pointed, downy on both sides, 

 prominently veined, very shortly stalked. Fls. very small, round, dull white, in 

 few-flowered terminal racemes, K (5), C (5), Aio. Fruit a dry capsule. North 

 America. (Fig. 122 E.) 



