517 



R. Cartoni, Hort. ; Bot, Reg. t. 1449. Garden origin. 

 " Azalea nudiflora x Rhododendron catawbiense." 



R. gemmiferum, Hort. Garden origin. 



R. gowenianum, Sweet Brit. Fl. Gard. ser. i. t. 263. Garden 

 origin. " (Azalea nudiflora or viscosa) x (R. 

 ponticum x catawbiense)." 



R. nudiflorum var. govenianum, Loud. 



Rhododendron Smithii, Hort. (not Sweet) var. aureum, Paxt. 

 Mag. Bot. ix. t. 79. " Rhododendron seedling x 

 Azalea sinensis." 



Under the generic name Azaleodendron a number of 

 hybrids between R. sinensis (Azalea mollis) and an ever- 

 green hybrid Rhododendron have been distributed from 

 Belgium. 



Menziesia globularis, Saltsb. Alleghany Mountains from 

 Pennsylvania to Georgia. 



M. ferruginea var. ^lobularis, Sims Bot. Mag. t. 1571. 

 M. pilosa, Britt. & Br. Illustr. Fl. ii. 562, f . 



Clethra acuminata, Michx. \ Lodd. Bot. Cab. t. 1427. Vir- 

 ginia to Georgia. " White Alder." 



C. montana, Bartr. 

 . alnifolia, L. Maine to Florida. fct Sweet Pepperbush." 



Yar. Michauxii. 



C. Michauxii, Court. 



Var. paniculata. 



C. paniculata, Ait. 



Var. scabra. 



C. scabra, Pers. 



