244 ERICACEAE • DIAPENSIACEAE 



RHODODENDRON— confrnM^f/ 



below. Fls. 2, purple, in terminal heads. Spain, Portugal, Asia Minor. 

 (Fig. 124 c.) 

 * R. sino-grande. 30. Young shoots stout, silvery. Ls. ov., 16, dull green 

 above, silvery below. Fls. 2, white with crimson blotch, lo-lobed, in 

 large terminal clusters, stamens eighteen. China. 

 R. Souliei. 8. May. Young shoots purplish, clammy. Ls. ov., 3, heart- 

 shaped base, blunt-ended, glaucous and metallic. Fls. 3, white or pink, 

 saucer-shaped, 5-6-lobed, in terminal clusters, stamens eight to ten. China. 

 R. Thomsonii. 12. April. Ls. roundish ov., 4, dark green above, blue-white 

 below. Fls. 2, blood-red, bell-shaped, in loose clusters. East Himalaya. 

 (Fig. 123 L.) 

 Rhodothamnus (Rhododendron) Chamaecistus. i. April. E. Ls. ov., \, 

 edged with conspicuous bristles, closely set on branches. Fls. i, pink, petals 

 spreading, in terminal few-flowered clusters. K5, C (5), Aid. Fruit a woody 

 capsule. Austrian Alps. (Fig. 124 H.) 



Therorhodion (Rhododendron) CAMTSCHATicuM. \. May-June. E. Spreading 

 by underground suckers. Ls. ov., 2, bristly below and conspicuously so on 

 margins, stalkless. Fls. i|, crimson, petals spreading, solitary or in pairs on erect 

 bristly stem, K (5), C (5), Aio. Fruit a dry capsule. North Asia and Alaska. 

 (Fig. 124 J.) 



Tripetaleia (Elliottia) paniculata. 6. July-August. D. Branchlets reddish 

 brown, angled. Ls. alternate, ov., 2, entire, hairless or nearly so, short-stalked. 

 Fls. I, white or pinkish, K3, C3, A6, corolla divided into three distinct petals, in 

 terminal racemes or panicles. Fruit a small capsule. Japan. (Fig. 124 e.) 



Zenobia (Andromeda) pulverulenta (Z. speciosa). 6. June-July. D. Ls. ov., 

 2, shallowly and distantly toothed, blunt-ended, hairless, usually covered with 

 white bloom. Fls. |, white, bell-shaped, drooping at end of long stalks in axillary 

 clusters, K (5), C (5), Aio. Fruit a dry round capsule with long persistent style. 

 South-east United States. (Fig. 103 b.) 



Family 59. EPACRIDACEAE. K5, C (5), A5, G (5) 



Differs from Ericaceae in the anthers being i -celled and opening by longitudinal 

 slit. 



Leucopogon Fraseri. Australian Beard Heath, i. E. Ls. alternate, linear, 

 lane, \, sharp-pointed, glossy above, veined below. Fls. |, white, solitary in 1.- 

 axils. Fruit |, a dry, oblong, yellowish-orange berry. Australia. (Fig. 122 c.) 



Family 60. DIAPENSIACEAE. K (5), C (5), A5, G (3) 



Anthers 2-celled, opening by longitudinal slits. 



DiAPENSiA LAPPONiCA. \. June-July. E. Prostrate. Ls. opposite, obov., |, 

 entire, crowded in rosette-like tufts. Fls. f , white, bell-shaped, solitary on stalk up 

 to I long. Fruit a dry capsule. Alpine and arctic regions of Northern Hemisphere. 

 (Fig. 67 E.) 



Pyxidanthera barbulata. Flowering Moss. Prostrate and creeping. April- 

 May. E. Ls. alternate, oblanc, I, shghtly hairy near base. Fls. |, white or pink, 

 bell-shaped, stalkless. East North America. (Fig. 49 b.) 



