250 
l. B. nivea, Gaud.; Benth. Fl. Hongk. 331. In ravines on 
Mt. Victoria, and elsewhere, Hongkong ; cultivated in 
Hongkong New Territory ; Yit-hai, Swatow ; Macao. 
Fl. October. 
2. B. densiflora, Hook, et DC. Prodr. xvi. r. 215. 
Abundant on Victoria Tok in the vicinity of Mountain 
nee Hongkong; Lienchow River. Fl. December— 
Mar 
3. 3B anaitiitn, Wedd. ; B. platyphylla, var. macrophylla, W edd.; 
DC. un . 213. Kwangtung without locality. Fl. June to 
Augus 
4. B. polystachya Wedd. ; Hook. f. Fl. Brit. Ind. v. 579. Lienchow 
River. . August. 
5. B. ytatypkyiti: D. Don; Hook. f. l. e. 578. Near yeu 3 
Lienchou River ; North River ; tn Fl. Aug 
24.—POUZOLZIA. 
Key to species. 
1. Leaves — jit is one esc Livesets, 
Leaves e d «i 2. 
2. Nearly all ción ‘alternate... til? 9, iudica. 
Nearly all leaves opposite — ... — ... 3. hirta. 
1. P. ovalis, Mig. ; P. viminea, Wedd. ; Hook. f. Fl. Brit. Ind, 
v. 581. Below Molam on the West River. Fl. May 
. P. indica, Gaud.; Benth. Fl. Hongk. 331. Robinson Road 
and Mt. Victoria, Hong kong ; pes Fl. July. 
3. P. hirta, Hassk.: Padus kispida , Ham.; Benth. l. c. 332. 
In shady places, Fonte ; White Cloud hills, Canton ; 
Lofoushan. Fl. Jun 
bo 
25.—VILLEBRUNEA. 
1. V. frutescens, Blume; Benth. Fl. Hongk. 332. Victoria 
Peak and Mt. Parker, Hongkong ; Taimoshan, Hongkong 
New Territory. Fl. March. 
JUGLANDACEAE. 
Key to genera. 
l. Leaves serrate ... SE 2 ui 2, 
Leaves entire ... i 2. 2. Engelhardtia. 
2. Female flowers in loose ‘spikes e. L Pterocarya. 
Female flowers in strobiles  ... ... 3. Platycarya. 
1—PTEROCARYA. 
Ph C.DC.; Prodr. xvi. 11. 140. Lienchow River. 
Fl. white, April. 
