366 MR. S. T. DUNN: А BOTANICAL 
URTICACE. 
Ficus HETEROMORPHA, Hemsl. Previously recorded no further south than 
Kiangsi. Hongkong Herb. 3453. 
NANOCNIDE LOBATA, Wedd. Only recorded previously from the Liu Chiu 
Islands and from Chekiang. 
РЕА AQUARUM, Dunn, sp. n. 
Herba annua, tenera, 80-40 cm. alta. Caulis simplex, preter apicem 
glaber, inferne procumbens, radicans. Folia opposita, elliptica, crenata, 
4—6 em. longa, membranacea, supra punctis minutis linearibus erebre 
notata, subtus in venis decidue puberula, apice basique angustata, obtusa, 
venis 3 a basi radiantibus, petiolis 2-4 ст. longis, stipulis membranaceis 
semicordatis, breviter petiolo adnatis. Суп axillares, condensate, 5 mm. 
longa, tandem circinnate. Calyx fructescens, hispidus, 1 mm. latus, 
achenium globulare lucidum flavum includens. 
On the * 3800 Steps Pass " near Yenping, on rocks under the constant drip 
of water. Hongkong Herb. 3477. 
Distinguished from P. pumila, A. Gray, its nearest ally, by its crenate 
leaves and large stipules. 
CUPULIFERA. 
QUERCUS HARLANDI, Hance, var. INTEGRIFOLIA, Dunn, var. п. Folia sub- 
plana, integra. 
Woods near Yenping, and among the gorges of the Yuen Fu River. 
Hongkong Herb. 3492. The type is, so far as is known, confined to Hong- 
kong Island. 
QUERCUS THALASSICA, Hance, var. OBTUSIGLANS, Dunn, var. n. Glandes 
apice rotundatee. 
Fong Kong Tze near Foochow. Hongkong Herb. 3486. The same 
variety occurs in the Island of Hongkong on Mt. Davis under Hongkong 
Herb. No. 2081. 
Quercus Ерітн ж, Skan. A welcome extension of the known area of this 
fine oak. Previously only from Kwantung. 
QUERCUS SKANIANA, Dunn, sp. n. 
Arbor sempervirens, 10 m. alta. Каша pube fusca molli vestiti. Folia 
oblongo-obovata, integra, 10-15 em. longa, coriacea, supra glabra, costa 
prominula, venis secundariis impressis, subtus preecipue in venis molliter 
pubescentia, costa venisque prominentibus, subito acuminata, basi cuneata, 
