238 



19.— GROTON. 



Key to species. 



1. Leaves glabrous ... ... ... 2. 



Leaves pubescent or tomentose ... 3. 



2. Leaves 3-nerved 1. Tiglium. 



Leaves penninerved throughout ... 2. Hancei. 



3. Bracts entire ; styles bifid ... ... 3. lachnocarpus. 



Bracts divided ; styles 4-fid ... ... 4. crassifollus. 



1. C. Tiglium, Linn. ; Hook. f. Fl. Brit. Ind. v. 393. Happy 



Valley and Little Hongkong, Hongkong ; Lantao Island 

 and Shingmun Gap, Hongkong New Territory ; near 

 Canton ; Tungkun, delta of E. Kiver ; Pakhoi. Fl. 

 January — May. 



2. 0. Hancei, Benth. Fl. Hongk. 308. Happy Valley, Bowen 



Road and Black's Link, Hongkong. Fl. May. 



3. C. lachnocarpus, Benth. 1. c. 308. Happy Valley, Hongkong ; 



wooded gorge near Ukautin, Hongkong New Territory ; 

 Swatow district ; Lofoushan. Fl. May. 



4. 0. crassifolius, Gelsel. ; C. ehinensis, Benth. 1. c. 309. Pokf ulara, 



on the slopes of the hills at Aberdeen, Black's Link, and 

 elsewhere, Hongkong ; Lowu, Hongkong New Territory ; 

 hills near Chaochaufu. Fl. white, AprU. 



SO.— BLAOHIA. 



1. B. Pentzii, Benth. ; Cpdiaeum Pentzii, Muell.-Arg. in DC. 

 Prodr. XV. ii. 1118. At Paksha on the extreme southern 

 coast. Fl. August. 



21.— SPERANSKIA. 



1. S. Henryl, Oliver; Argyrothumnia canto?iensis,Jlance in J omn. 

 Bot. 1878, 14. North Kiver. Fl. white, March. 



33.— OLAOXYLON. 



1. C. indicum, Hassk. ; Hook. f. Fl. Brit. Tnd. v. 410. In the 

 wood at the Buddhist Temple, Causeway Bay, and in 

 Little Hongkong woods, Hongkong ; Hahang, Hc^ngkong 

 New Territory ; Hoifung. Lofoushan. Fl. August. 



33.— AOALYPHA. 



Key to species. 



1. Female bracts entire ... ... ... 2. 



Female bracts 3-5-partite \. brachystachya. 



2. Female bracts cordate... 2. australis. 



Female bracts truncate ... ... 3. 



3. Female bracts 1-flowered ... ... 3. fallax. 



Female bracts 3-5-flowered 4. 'indica. 



1. A. brachystachya, Hornem.; Hook. f. Fl. Brit. Ind. v. 41G. 

 Lienchow River. Fl. December. 



