530 WILSON EXPEDITION TO CHINA 



Rhododendron Brettii Hemsley & Wilson in Kew Bull. Misc. Inform. 1910, 

 106. 



"Western Szech'uan : Mupin, woodlands, 3300-3500 m., July 1908 

 (No. 1278; bush 2.5-5 m.tall, flowers rose-pink); Wa-shan, woodlands, 

 alt. 3000 m., November 1908 (No. 1361; bush 4-6 m. tall); same lo- 

 cality, alt. 2300-2600 m., July 1908 (No. 3439; bush 3-5 m. tall, 

 flowers pink with purple blotch); west and near Wen-ch'uan Hsien, 

 woodlands, alt. 2600-3300 m., July 1908 (No. 3438; bush 2.5 m. tall, 

 flowers rosy-red); Mupin, woodlands, alt. 3000-3300 m., October 1910 

 (No. 4263; bush 2-3 m, tall); Tachien-lu, July 1903 (Veitch Exped. 

 No. 3973, type). 



This most striking species varies slightly in different localities. In No. 3439 the 

 calyx-lobes are almost wanting and the bracts are very sparse; in No. 3438 the 

 lower surface of the midribs is glabrous, and the pedicels and ovary are much less 

 glandular-pubescent. 



Rhododendron pachytrichum Franchet in Bull. Soc. Bot. France, 

 XXXIII. 231 (1886); in Nouv. Arch. Mus. Paris, ser. 2, X. 49 (PL 

 David. II. 87) (1888). — Hemsley & Wilson in Kew Bull Misc. 

 Inform. XXIII. 1910, 109. 



Western Szech'uan : Mupin, woods, alt. 2500-3300 ra., June and 

 October, 1908 (No. 1203, in part; bush 2.5-6 m. tall, flowers white); 

 same locahty, alt. 2600-2800 m., October 1910 (No. 4270; bush 2-5 m. 

 tall); Wa-shan, woods, alt. 2500-3000 m., June and November, 1908 

 (No. 1203, in part; bush 4-6 m. tall, flowers white); same locality, 

 June and November 1908 (No. 1349; bush 5-6 m. tall; flowers pale 

 pink, spotted); Tachien-lu, woods, alt. 3000-3600 m., September 1908 

 (No. 1203, in part; bush 2-6 m. tall, flowers white) south-east of Ta- 

 chien-lu, woodlands, 3000-3300 m., October 1908 (No. 1326; bush 

 3-6 m. tall); near Mao-chou, Chiu-ting-shan, cliffs, alt. 2500-2800 m.. 

 May and October 1908 (No. 3440; bush 1-3 m. tall, flowers white); 

 west of Kuan Hsien, Pan-lan-shan, woodlands, alt. 2300-2600 m., 

 October 1910 (No. 4246; bush 2-2.5 m. tall); without precise locahty, 

 alt. 2600-3300 m.. May 1904 (Veitch Exped. No. 3976). 



This is one of the commonest and most widely dispersed species found in western 

 Szech'uan. The fruit which has not been described is slender, cylindric, 2-3 cm. 

 long, 6-8 mm. wide, furrowed, sparingly hispid or glabrescent, about 8-celled; seeds 

 fusiform, about 3 mm. long, blackish. 



Rhododendron strigillosum Franchet in Bull. Soc. Bot. France, 

 XXXIII. 232 (1886); in Nouv. Arch. Mus. Paris, s^r. 2, X. 48 {PI. 



