132 JOURNAL OF THE ARNOLD ARBORETUM [vol. m 



I' nana Mesneyi Pierre, Sphaerocoryne abcrrans Ridl., and JJnona dume- 

 torum Duiial. 



Popoivia pisocarpa Endl. extends from the Malay Peninsula to Sumatra, 

 Java, Borneo and the Philippines (southern Luzon to Mindanao), hut 

 has not l>een recorded from Indochina, although it almost certainly occurs 

 there. The genus is new to China. 



Orophea Blume 



Orophea hainanensis, sp. nov. 



Arbor parva, circiter (> m. alt a, ramulis junioribus inflorescentiisque 



leviter cilia I is except is glabra, ramulis tenuibus, junioribus vix 1 mm. 



diametro ciliatis, vetustioribus glabris; foliis chartaceis, in sicco pallidis, 

 nitidis, oblongo-ellipticis, 4 ad 8 em. longis, 2 ad 3.5 cm. latis, utrinque 



subaequaliter angustatis, apice distincte obtuseque acuminatis, basi 

 acutis, nervis primariis utrinque circiter 7 distinctis; petiolo circiter 2 mm. 

 longo glabro; inflorescentiis tenuibus, 2 ad 2.5 cm. longis, plerisque 1- vel 

 2-floris, parcissime ciliatis, pedunculo 1 ad 1.2 cm. longo, 1-bracteato, 

 bracteis lanceolatis, acuminatis, ciliatis, 2 mm. longis, bracteolis plerumque 

 solitariis, parvis; floribus longe (10 ad 12 mm.) pedicellatis ; sepalis triangu- 



lari-ovatis, acutis, leviter pubescent ibus, 1.5 ad 2 mm. longis; petalis 



exterioribus punctato-glandulosis, late ovatis ad suborbicularibus, acutis, 

 circiter 4 mm. longis latisque, interioribus stipitatis, 7 ad cS mm. longis, 

 limbo rhomboideo, 1 mm. longo, 3.5 mm. lato, acuto vel obtuso, basi 

 cuneato, intus rugoso; antheris, 6, connective) curvato; carpellis 0, glabris 



1 mm. longis. 



Hainan: Five Finger Mountains, W. Y. Chun, no. 15:53, June Hi, 1920 

 altitude indicated as 1700 m. which is probably too high; flowers yellow. 



A strongly marked species well characterized by its glabrous leaves and 

 its very slender, 1- or 2-flowered inflorescences. No representative of the 

 genus has hitherto been recorded from China. 



RUTACEAE 



Evodia Forster 



Evodia Chunii, sp. nov. 



Arbor circiter 11 m. alta, novellis inflorescentiisque exceptis glabra, 

 ramulis teretibus, circiter 2.5 mm. diametro, lenticellatis ; foliis trifoliolatis, 

 petiolo 3 ad 5 cm. longo, glabro; foliolis chartaceis vel membranaceis, in 

 sicco fragilibus viridibus utrinque concoloribus nitidis oblongis obtusis 

 vel breviter obtuse acuminatis, basi euneatis vel decurrento-acuminatis, 

 aequilateralibus vel leviter inaequilateralibus 7 ad 10 cm. longis et 2 ad 



3 cm. latis, nervis primariis utrinque circiter 10 tenuibus distinctis arcuato- 

 anastomosantibus, petiolulis 3 ad 4 mm. longis; cymis in axillis superioribus 

 pedunculatis multifloris 3.5 ad 5 cm. longis leviter pubescentibus circiter 



4 cm. diametro, pedunculo circiter 2 cm. longo; floribus albido-viridibus, 



