204 



8.— VITEX. 



Key to species. 



1. Calyx truncate, denticulate 2. 



Calyx acutely dentate or lobed ... 4. 



2. Leaves tomentose beneath ... ... 1. trifolia. 



Leaves glabrous or pubescent beneath 3. 



3. Fruit ^ inch long ... ... ... 2. heterophylla. 



' Fruit I inch long ... ... ... 3. urceolata. 



4. Plants tomentose or densely pubescent 5. 

 Plants glabrous ... ... ... 4. Sampsoni. 



5. Leafletslarge, entire 01 coarsely toothed 5. Negundo. 

 Leaflets small, deeply cut ... ... 6. incisa. 



1. V. trifolia, Zmiji. ; Benth. Fl. Hongk. 273. Common on the 



sandy shores of Repulse Bay, Deepwater Bay, Chaiwan, 

 and elsewhere, Hongkong ; Lantao Island, Hongkong New 

 Territory; Macao; near Solinkun at 900ft.; Lofoushan. 

 Fl. blue, July. 



2. V. heterophylla, Boxh. ; V. Loureiri, Hook, et Arn. ; Benth. 



Fl. Hongk. 273. Mt. Gough and Mt. Kellet, Hongkong ; 

 Lantao Island and Taimoshan, Hongkong New Territory ; 

 Canton ; Lofoushan. Fl. yeUowish-white, July. 



3. V. urceolata, Clarke in Hook. f. Fl. Brit. Ind. iv. 585. Lien- 



chow River. Fl. yellow, August. 



4. V. Sampsoni, Hance in Journ. Bot. 1868, 115. Hedges and 



bushy places, Swatow ; Tingushan ; Molum on the West 

 River. Fl. blue. May — September. 



5. V. Negundo, Linn. ; Bentjb. Fl. Hongk. 273. Wongneichong, 



Hongkong ; Lantao Island, Taimoshan, and near Lo«n, 

 Hongkong New Territory ; river bank near Chaochaufu, 

 Swatow. Fl. lavender-coloured, March — July. 



9.— OLERODENDRON. 



Key to species. 



1. Inflorescence axillary ... 

 Panicles terminal 



2. Calyx truncate, scarcely toothed 

 Calyx acutely 5-fid 



3. Panicles compact 

 Panicles lax 



4. Calyx teeth subulate ... 

 Calyx teeth ovate, acuminate ... 



5. Flowers scarlet ; leaves with peltate 



scales 

 Flowers whitish ", leaves scaleless 



L C. inerme, Gaertn. ; Benth. Fl. Hongk. 

 the sea at Aberdeen and elsewhere, 

 Cove, Hongkong New Territory ; 

 chaufu, Swatow ; North River. Fl. 



3. 



1. inerme. 



2. fortunatum. 

 4. 

 5. 



4. fragrans. 



5. canescens. 



6< squamatum. 

 3 cyrtophyllum. 



271. Common near 



Hongkong ; Plovers' 



Wuling near Chao- 



white. May.' 



