276 TRANSACTIONS OF THE [Sess. lxxviii. 



pedicellis 1-15 cm. longis glabris, bracteis 1-1*5 cm. longis, 

 linearibus stramineis, ± albo - patenti - ciliatis. Calyx 

 amplus, ad 1*25 cm. longus, cyathiformis, irregulariter 

 5-lobus, lobis aliis obscuris aliis ad imum petentibus 

 rotundatis vel obtusis, glaucus, nonnunquam purpurascens, 

 glaber, fructu vix auctus. Corolla 5-6*5 cm. longa, late 

 infundibuliformis, alba vel roseo-alba membranacea vix 

 coriacea; tubus 4-4*5 cm. longus, a basi circ. 1*5 cm. lata 

 (in sicco) ad orem circ. 6 cm. latum (in sicco compressum) 

 ampliatus ; lobi 5, suborbiculares, 2-3 cm. diametro, breviter 

 emarginati, paulo patentes. Stamina 10, inclusa, tubum 

 vix aequantia, filamentis glabris, antheris brunneis. 

 Ovarium conico-cylindraceum sulcatum glabrum. Fructus 

 1-1*5 cm. longus, calyce persistente, erectus pedicello stricto, 

 eximie cyaneus. 



Yunnan. — " Rochers du Tsang-chan." Delavay, No. 3947, 

 4166, ex Franchet in " Journ. de Bot.," ix. (1895), 389. 



" In dumetis montis Tsang-chan. Alt. 3000 m. Species 

 rara in unico loco visa ; fructus immaturi eximie cyanei. 

 Flores ignoti." Delavay, No. 4166, in Herb., Kew ! 



" Shrub ol* 8-12 feet. Flowers pinkish-white. Open, 

 moist situations on mountain meadows on the eastern flank 

 of the Tali Range. Lat. 25° 40'. Alt. 10,000-11,000 feet. 

 July 1906." G. Forrest, No. 4137 ! 



" Shrub of 4-9 feet. Flowers rosy-white, fragrant. 

 Moist mountain meadows on the eastern flank of the Tali 

 Range. Lat. 25° 40'. Alt. 12,000 feet. Aug. 1910." G. 

 Forrest, No. 6775 ! 



" Shrub 4-6 feet. Flowers creamy-white, pale rose 

 exterior. Margins of pine forests on the eastern flank of 

 the Tali Range. Lat. 25° 40'. Alt. 12,000 feet. June 1910." 

 G. Forrest, No. 6779 ! 



Rhododendron cyaiiocarpum, Franch., now that it is 

 more adequately known, is seen to be distinguished from 

 the Himalayan R. Thomsoni, Hook, f., by the following 

 chief points: — 



1. The leaves are larger, more elliptic, and do not appear 

 to have the " squareness " of outline which is so often seen 

 in R. Thomsoni; they are much longer than broad; the 

 bases do not show the small cordate notch characteristic of 

 its ally ; the veining is much more conspicuous in the 



