546 WILSON EXPEDITION TO CHINA 
Subgen. III. AZALEA Planch. 
Leaves never lepidote, usually pubescent or setosely hairy, sometimes glabrous, 
usually deciduous, rarely persistent. Ovary usually densely setose, never lepidote; 
corolla 5-lobed, stamens 5-10. 
Sect. l. CnurioNasTRUM Franch. 
Flowers from axillary buds crowded at the end of the branches; corolla funnel- 
form with a long tube; stamens 10, exserted; ovary glabrous or hairy. Fruit 
cylindric. Leaves glabrous, persistent. 
Rhododendron stamineum Franchet in Bull. Soc. Bot. France, 
XXXIII. 236 (1886). — Hemsley in Jour. Linn. Soc. XXVI. 29 
(1889). — Hemsley & Wilson in Kew Bull. Misc. Inform. X. 1910, 116. 
Rhododendron pittosporaefolium Hemsley in Jour. Linn. Soc. XX VI. 29 (1889).— 
Diels in Bot. Jahrb. XXIX. 515 (1900). — Bean in Flora & Sylva, III. 164 
(1905). à 
Rhododendron aucubaefolium Hemsley in Jour. Linn. Soc. XXVI. 19 (1889), 
quoad flores; folia ad Daphniphyllum macropodum pertinent. — Bean in 
Flora & Sylva, III. 162 (1905). 
Western Hupeh: Hsing-shan Hsien, woods, alt. 1300-1600 m., 
May and November 1907 (No. 567; bush 3-6 m. tall, flowers 
white, spotted yellow, fragrant, the lobes of the corolla reflexed); 
Chien-shi Hsien, June 1900 (Veitch Exped. No. 758); without precise 
locality, A. Henry (Nos. 5787, 6432, 4031). Western Szech'uan: 
woodlands, Wa-shan, alt. 1600-1800 m., June 1908 (No. 3470; bush 
5-8 m. tall, flowers blush); Mt. Omei, woodlands, alt. 1600-2000 m., 
October 1910 (No. 4268; bush 2.5-3 m. tall); same locality, May 1904 
(Veitch Exped. No. 5140), A. von Rosthorn (No. 430). 
Although nowhere really common this is a widely distributed species, and is gen- 
erally found in rocky, shady ravines, The very long exserted stamens readily 
distinguish it from its near relatives. 
Sect. 2. AzaLEastrum Planch. 
Flowers from axillary buds like those of the preceding section; corolla Deor 
stamens 5-10, shorter than the corolla. Leaves persistent or deciduous, glabro 
Rhododendron ovatum Planchon in Rev. Hort. 1854, 43.— 
Maximowiez in Mém. Acad. Sci. St. Pétersbourg, sér. 7, XVI. No. IX. 
45 (1870).— Hemsley in Jour. Linn. Soc. XXVI. 28 (1889).— 
Hemsley & Wilson in Kew Bull. Misc. Inform. 1910, 120. 
