ENUMERATION OF THE SPECIES 

 SECT. I. TSUTSUTSI G. DON 



Rhododendron section Tsutsutsi G. Don, Gen. Syst. III. 845 (1834), 

 excluding Nos. 30, 31, 36, 39. 



Azalea Linnaeus, Spec. 150 (1753), as to species No. 1. 



Tsutsutsi Adanson, Fam. PL II. 164 (1763). 



Loiseleria Reichenbach, Fl. Germ. Exc. I. 416 (1830). 



Beverinckia Salisbury ined. ex DeCandolle, Prodr. VII. pt. 2, 726 (1839). 



Rhododendron section Toutousi Duchartre in Orbigny, Diet. Univ. Hist. Nat. 

 XI. 120 (1849). 



Rhododendron subgenus Tsutsia Planchon in Fl. des Serr. IX. 75 (1854); in 

 Rev. Hort. 1854, 45. 



Rhododendron section Tsutsugi Miquel, Fl. Ind. Bat. II. 1059 (1857). 



Rhododendron section Tsusia Maximowicz in Mem. Acad. Sci. St. Peters- 

 burg, se>. 7, XVI. No. 9, 32 (Rhodod. As. Or.) (1870), excluding No. 17. 



Azalea subgenus Tsutsutsi K. Koch, Dendr. II. pt. 1, 171 (1872), excluding 

 species No. 6. 



Shrubs with dense twiggy branches; shoots densely or sparsely clothed with 

 appressed, flattened, red-brown or rufous hairs, occasionally also with spreading 

 soft hairs. Flowers from terminal bud, with leafy shoots from axils of lower 

 scales of same bud. Leaves evergreen or half evergreen, rarely deciduous, more 

 or less villose, rarely glandular. Corolla funnel-form, campanulate-funnel-form, 

 rarely cylindric, with short spreading lobes; stamens 5 to 10, equal or unequal in 

 length, never declinate, puberulous, or pubescent; ovary strigose, sometimes glan- 

 dular. Fruit conic or conic-ovoid, glabrescent or strigose- villose, 5-celled; seeds 

 wingless. 



This section is confined to eastern Asia, where it is represented by 22 species. 



Rhododendron indicum Sweet, Brit. Flaw. Gard. ser. 2, II. sub. t. 

 128 (1833). G. Don, Gen. Syst. III. 845 (1834), excluding varieties. 

 De Candolle, Prodr. VII. pt. 2, 726 (1839), in part. Siebold & Zucca- 

 rini in Abh. Akad. Munch. IV. pt. III. 131 (Fl. Jap. Fam. Nat. 7) (1846), 

 in part. Miquel, FL Ind. Bat. II. 1059 (1857). Maximowicz in 

 Mem. Acad. Sci. St. Petersburg, se*r. 7, XVI. No. 9, 37 (Rhodod. As. Or.) 

 (1870), in part. Franchet & Savatier, Enum. PL Jap. I. 291 (1875), 

 in part. Schneider, III. Handb. Laubholzk. II. 506, figs. 331 1-m, 

 332 a-d (1911). Render in Bailey, Stand. Cycl. Hort. V. 2944 (1916). 

 Komatsu in Tokyo Bot. Mag. XXXII. [18] (1918). 



Azalea indica Linnaeus, Spec. 150 (1753). Burmann, Fl. Ind. 42 (1768). 

 Willdenow, Spec. I. pt. 2, 831 (1798). Persoon, Syn. 212 (1805). Aiton, 



22 



