distincte retusis, leviter pubescentibus, late bialatis et inter alas latiores 

 anguste bicarinatis, alis latissim,e rotundatis, glabris vel subglabris. 



Indo-China, Bac Giang Province, between Kep and Pho Vi, Pételot 2476, February 

 27, 1936, borciers of the forest. 



Although the flowers of this species are as yet unknown, it is suspected 

 that it belongs in Dunn's section Appendkulatae because of its gênerai 

 resemblance to Illigcra Pierrei Gagnep. It differs from Gagnepain's species, 

 of which an isotype is available, in its leaves being softly pubescent be- 

 neath, those of /. Pierrei Gagnep. being glabrous except for the indumentum 

 in the axils and along the midrib below on the lower surface, the différences 

 in the fruits being even more striking. In Pierre 1950, 1956 from Baochiang 

 and Mokay, Bienhoa Province, the fruit wings are 3 to 4 cm. long and 



164 JOURNAL OF THE ARNOLD ARBORETUM [vol. xxiii 



marginem distincte curvatis sed vix anastomosantibus; petiolo 6-10 mm. 

 longo, densissime villoso vel vetustiori glabrescenti ; fioribus solitariis vel 

 binis,'in axillis superioribus, subsessilibus, circiter 2 cm. longis; sepalis 

 liberis vel subliberis, oblongo-ovatis, crasse coriaceis, intus verruculosis, 

 glabris, extus densissime badio-villosis, 10-12 mm. longis, deorsum 7 mm. 

 latis, sursum angustatis, acutis; petalis crasse coriaceis, exterioribus oblongo- 

 ovatis, 2 cm. longis, 1 cm. latis, sursum angustatis, obtusis, intus verruculo- 

 sis, glabris vel sursum ad marginem cinereo-puberulis, extus densissirne 

 lorîge subadpresse subbadio-villosis, petalis interioribus oblongo-lanceolatis, 

 1.5 cm. longis et 7 mm. latis, crassissime coriaceis, sursum angustatis, 

 obtusis, extus in partibus medianis adpresse puberulis ceteroquin glabris, 

 ;.^t,io aH hasim excavatis. verruculosis, sursum crassissimis. valvatis; sta- 



