TA BUL A CCCXIX. 



Clethra sumatrana J. J. S. n. sp. 

 Clethraceae. 



Fig. 1. Ramulus florens — Fig. 2. Calyx — Fig. 3. Calyx expansus ~. — 

 Fig. 4. Petalum V. — Fig. 5, 6. Stamina y. — Fig. 7. Pistillum y. 



Arbor parva, innovationibus stellatotomentosis mox glabratis. 

 Folia oblongo-elliptica, acuta, superne serrata, nervis lateralibus 

 subtus bene prominentibus c. 8 — 13 utrinque, c. 4 — 11 cm. 

 longa. Flores mediocres. Calyx tomentosus, laciniis subovatis 

 vel ovali-oblongis. Petala obovata, crenulata. Filamenta linearia, 

 basi apiceque longe villosa; antherae basi in appendiculam 

 triangulam productae. Ovarium subadpresse hirsutum ; stylus 

 teres, apice subtrilobus. Capsula c. 0.35 cm. alta. 



Arbor parva, ramulis validiusculis, innovationibus stellato- 

 tomentosis et pilis fasciculatis intermixtis, mox glabratis. Folia 

 alterna, petiolata, oblongo-elliptica, plerumque leviter acumir^ita, 

 acuta, basi cuneata acuta parte inferiore excepta calloso-serrata, in 

 utraque parte costae mediae in sicco supra sulcatae subtus promi- 

 nentis nervis lateralibus c. 8 — 13 patentibus intra marginem anas- 

 tomosantibus venis transversis conjunctis, reticulato-venosa, ner- 

 vis venisque in sicco subtus prominentibus, coriacea, novella 

 rubra (Oüwehand), c. 4—1 1.5 cm. longa, 1.5—4.5 cm. lata; petiolus 

 supra sulcatus, c. 0.6 — 2 cm. longus. Tnflorescentiae terminales 

 et in axillis superioribus, racemosae, plus minusve paniculam 

 terminalem formantes, pedunculatae, laxe multiflorae, c. 8 — 14 

 cm. longae, pedunculo c. 1 — 2 cm. longo, cum rhachide tomen- 

 toso. Bracteae caducae, sublineares, acuminatae, tomentosae, 

 c. 0.8 — 1 cm. longae. Flores pedicellati, pedicello tomentoso, 



XIII 5 



