23,3 Merrill: Diagnoses of Hainan Plants, II 243 



oblong-elliptic leaves which are broadly rounded at both base 

 and apex, the apex usually retuse. 



POLYALTHIA CONSANGUINEA sp. nov. § Eupolyalthia. 



Arbor parva, 3 ad 4 m alta, ramulis dense f errugineo-pilosis ; 

 foliis chartaceis, brevissime petiolatis, oblongis ad oblongo- 

 lanceolatis vel oblanceolatis, 10 ad 16 cm longis, 2.5 ad 4 cm latis, 

 glabris vel subtus ad costa leviter pilosis, in siccitate pallidis, 

 apice acuminatis, basi angustatis, minute cordatis vel auriculato- 

 cordatis, plerumque leviter obliquis, nervis' utrinque circiter 12, 

 subtus elevatis, perspicuis, arcuato-anastomosantibus ; petiolo 

 circiter 2 mm longo, f errugineo-pubescente ; floribus pedicellatis, 

 solitariis, extra-axillaribus ; pedicellis 1 ad 1.8 cm longis, f erru- 

 gineo-pubescentibus, deorsum bracteolis 2 vel 3 parvis instructis ; 

 sepalis triangulari-ovatis, obtusis, coriaceis, leviter pilosis, 3 

 mm longis ; petalis coriaceis, oblongis, subaequalibus, 10 mm lon- 

 gis, 3.5 mm latis, obtusis vel acutis, extus leviter pubescentibus, 

 intus glabris ; antheris numerosis ; carpellis oblongis, 1 mm longis, 

 leviter pubescentibus, 2-ovulatis; stigmate capitato-obovato, 

 leviter pubescente; fructibus subglobosis, verruculosis, glabris, 

 1 cm diametro, longe pedicellatis. 



Sha Po Leng and Ng Chi Leng, McClure 8192, 9323, 9508 

 (type), November 11, 1921, April 28 and May 9, 1922, the first 

 in fruit, the last two in flower. In forested ravines at and 

 above 450 meters altitude. 



A species in the group with Polyalthia obliqua Hook. f. & Th. 

 and apparently most closely allied to P. corticosa Finet & 

 Gagnep., but the petals are entirely free, glabrous within and not 

 pubescent on both surfaces, while the pedicels of the mature 

 fruits are verrucose and up to 12 mm in length. 



POLYALTHIA CRASSIPETALA sp. nov. § Monoon. 



Arbor circiter 5 m alta, plus minusve ferrugineo-pilosa ; ramis 

 teretibus, glabris, lenticellatis, ramulis dense f errugineo-pilosis ; 

 foliis brevissime petiolatis, oblongis ad oblongo-lanceolatis, char- 

 taceis, 5 ad 7 cm longis, 1.5 ad 2.5 cm latis, in siccitate brunneo- 

 olivaceis, opacis, supra ad costa pilosis, subtus plus minusve 

 pilosis, apice obtuse acuminatis, basi subacutis, nervis utrinque 

 circiter 8, tenuibus, adscendentibus ; floribus axillaribus, solita- 

 riis, longe pedicellatis ; pedicellis ferrugineo-pilosis, usque ad 2 cm 

 longis, deorsum bracteis foliaceis oblongis circiter 1 cm longis 

 instructis ; sepalis oblongo-ovatis ad late lanceolatis, subcoriaceis, 



