EAST NEPAL AND THE SIKKIM HIMALAYA MOUNTAINS. 77 



broad spreading lobes; stamens 12 to 18; ovary glandular, 12- 

 celled. 



5. R. Thomsoni — a bush ; leaves at the end of the branches, 

 orbicular or broadly oblong, rounded at the end or terminating 

 in a short point, on rather long leaf-stalks, heart-shaped at the 

 base, quite smooth on both sides, rather glaucous below ; head 4 

 to 6 flowered ; flowers deep crimson, drooping, on long foot- 

 stalks ; calyx cup-shaped, sometimes tubular, unequally lobed ; 

 tube of the corolla rather long, bell-shaped, lobes recurved, 

 notched; stamens 10; ovary quite smooth, 6 to 10-celled. — 

 Sikkim Rhod., PI. XII. ; and R. candelabrum, PI. XXIX. 



§ III. Calyx of 5 leaves, or deeply 5-lobed. Corolla funnel or 

 bell shaped. Stamens 10 to 18. Ovary 5 to 6 celled. — 

 Trees or shrubs ; sometimes epiphytes, with the leaves often 

 covered with small scales. 



6. R. DalhousicB — a slender shrub ; young leaves with long 

 hairs, the older ones elliptico-obovate, blunt, smooth above, rather 

 glaucous below, and dotted with very small scales, narrowed at 

 the base into a leaf-stalk which is sometimes a little hairy; 

 flowers 3 to 5 in a head, nodding ; sepals oblong, blunt, hairy on 

 the margin ; corolla bell-shaped, with a broad tube and 5 mode- 

 rately spreading lobes; stamens 10; ovary 5-celled. — Sikkim 

 Rhod., PI. I. and II. 



7. R. Edgeworthii — a straggling shrub, generally growing 

 on the branches of trees ; branchlets leaf and flower-stalks 

 densely covered with a thick tawny down ; leaves elliptical 

 ovate, very sharp, bright green and shining above, reticulated 

 with sunk veins; flowers 2 to 3 together, large, white ; flower- 

 stalks short ; sepals woolly, blunt ; tube of the corolla rather 

 short, lobes large and spreading; stamens 10; ovary very woolly, 

 about 5-celIed. — Sikkim Rhod., PL XXI. 



8. R. barbatum, Wall, — a small tree ; leaves elliptical, lanceo- 

 late, sharp, blunt at the base, with stout leaf-stalks which have 

 generally long bristles ; quite smooth on both sides, paler below ; 

 flowers in dense heads, pale blood-red ; flower-stalks short ; 

 sepals oblong, blunt, viscid ; stamens 10 ; ovary viscid and hairy, 

 5 to 8-celled. — Sikkim Rhod., PI. III. ; and R. lancifolium, 

 PI. IV. 



9. R. ciliatum — a low rigid shrub ; branches leaf and flower- 

 stalks covered with stiff spreading hairs ; leaves on short foot- 

 stalks, elliptical, obovate, very sharp, bright green above, the 

 margins and mid-rib with stiff" spreading hairs, paler and rather 

 glaucous below, dotted with small scales ; flowers 4 or 5 to- 



