FLACOURTIACEAE 



Casearia Petelotii sp. nov. ^ ■■jf'' ' /- >^' ' ftP 



Arbor parva, 7-8 m. alla, ramis ramulisque dense tomentosis, ultimis 

 4-5 mm. diametro; foliis coriaceis, oblongis, integris vel minute obscure 



1938] MERRILL, LNDO^HLNESE PLANTS 57 



denticulatis, 20-25 cm. longis, 6-8 cm. latis, acuminatis, basi leviter 

 cordatis, subinaequilateraliter late rotundatis, in sicco supra atris vel 

 atro-olivaceis, nitidis, glabris vel secus costam nervosque plus minusve 

 pubescentibus, subtus paullo pallidioribus, perspicue breviter pubescenti- 

 bus, Costa crassa, valde elevata, dense pubescente, nervis primariis 

 utrinque circiter 15, subtus perspicuis, elevatis, curvato-adscendentibus, 

 vi.x vel obscure anastomosantibus; petiolo crasso, dense pubescente, 1 

 cm. longo; tîoribus a.xillaribus, fasciculatis, breviter pedicellatis, con- 

 fertis, nunierosis, pubescentibus, pedicellis ad 3 mm. longis, leviter 

 pubescentibus; floribus circiter 7 mm. diametro, sepalis ellipticis vel 

 elliptico-ovatis, rotundatis, 3 mm. longis, extus leviter pubescentibus; 

 filamentis 2 mm. longis, leviter pubescentibus, antheris ellipticis, 0.8 

 mm. longis, haud apiculatis; staminodeis oblongis, 1 mm. longis, apice 

 barbatis; ovario consperse ciliato cum stylo 2 mm. longo. 



Indo-Chin.a, Tonkin, Chapa, A. Pctdot 5930, April, 1936, in forests, 

 ait. about 1500 m. 



The alliance of this species is manifestly with Casearia villilimba Merr. 

 and C. grewiaejoUa Vent, as the latter is interpreted by Gagnepain. It 

 impresses me as being well characterized by its unusually large, coria- 

 ceous, many-nerved leaves as well as by its unusually dense indumentum. 



