1124 
21,4 Merril: Diagnoses of Hainan Plants 349 
longis; paniculis terminalibus, erectis, pedunculatis, foliis 
aequantibus, ramis primariis 5 ad 6 cm longis, patulis vel ad- 
scendentibus, rigidis, plus minusve hirsutis; fructibus globosis 
vel obovoideis, 4 ad 5 mm longis, glabris, breviter pedicellatis. 
Ng Chi Leng, McClure 8507, December 22, 1921. In forested 
ravines, altitude 950 meters. 
A species strongly characterized by its narrow, lanceolate, en- 
tire, sharply acuminate, obscurely nerved leaflets. 
RHAMNACEAE 
RHAMNELLA HAINANENSIS sp. nov. 
Frutex glaber, vel ramulis junioribus parcissime pubescen- 
tibus, circiter 3 m altus, ramis teretibus, tenuibus, in siccitate 
pallidis, ramulis olivaceis, vix 1 mm diametro; foliis chartaceis, 
oblongo-ellipticis, 3.5 ad 8 cm longis, 1.5 ad 3.4 cm latis, deorsum 
integris, sursum obscure serrulatis, nitidis, pallide olivaceis, basi 
late acutis ad subrotundatis, apice distincte et plerumque obtuse 
acuminatis, nervis utrinque 5, tenuibus, distinctis; petiolo 3 ad 
5 mm longo; fructibus plerumque solitariis, oblongo-ovoideis, 
1-locularis, circiter 1 cm longis et 5 mm diametro, acutis; pedi- 
cellis circiter 8 mm longis. 
Ng Chi Leng, McClure 8358, December 6, 1921. In shaded 
ravines, altitude about 800 meters. 
Among the six hitherto known representatives of this genus 
the present species seems to be nearest to Rhamnella wilsonii 
Schneider. 
PASSIFLORACEAE 
_ ADENIA MACLUREI sp. nov. 
Suffruticosa, scandens, glabra, ramis in siccitate pallidis, 2 
ad 3 mm diametro, leviter striatis; foliis chartaceis, oblongis, 
integris, pallide olivaceis, utrinque concoloribus nitidisque, 10 
ad 12 cm longis, 4.5 ad 6 cm latis, subacutis ad obscure acumi- 
natis, basi late acutis ad subrotundatis, auriculato-glandulosis, 
nervis utrinque plerumque 4, distinctis, anastomosantibus, reti- 
culis laxis, petiolo 2 ad 2.5 cm longo; cirrhis rigidis, 5 ad 6 cm 
longis; fructibus anguste ellipsoideis, circiter 8 cm longis, 3- 
valvis, nitidis, laevis, basi acutis, apice obtusis, solitariis, pedun- 
culo 5 ad 6 cm longo; seminibus circiter 8 mm longis, compressis, 
rugosis. 
Notia, McClure 8242, October 27, 1921. In dry thickets. 
The special characters of this species are its oblong, subacute, 
noncordate, entire leaves. It belongs in the group with Adenia 
acuminata (Blume) King. 
