53 



LINACEAE. 

 1.— IXONANTHES. 



1. I. ohinensis, Champ, in Trans. Linn. Soc. xxi. 114. On Bowen 

 Road, Happy Valley and Little Hongkong woods, 

 Hongkong ; Kanghau and Taiwai, Hongkong New 

 Territory. Fl. white, May. 



MALPIGHIACEAE. 



1.— HIPTAGE. 



L H. Madablota, Gaertn. ; Benth. Fl. Hongk. 49. On Mt. 

 Gough and in the Happy Valley woods, Hongkong ; hUl 

 at Chaochaufu, Swatow. Fl. white, March. 



GEEANIACEAE, 



Key to genera. 



1. Leaves entire ... 

 Leaves compound 



^a JL Jl66 ••• ■•• ••• ••• 



Herb 



3. Leaves trifoliate 

 Leaves pinnate or bipinnate . . . 



4. Leaves pinnate ... 

 Leaves bipinnate 



1.— ERODIUM 



cicutarium, VHirit; Hook, f, 

 Kennedy Road, Hongkong. Fl 



5. Impatiens, 



2. 

 4. Averrhoa. 



3. 



2. Oxalis. 



4. 



3. Biophytum. 

 1. Er odium. 



Fl. Brit. Ind. i. 434. 

 purple. 



3.— OXALIS. 



Key to species. 



Flowers yellow .. . ... ... ... 1. corniculata. 



Flowers purple ... ... ... ... 2. Martiana. 



1. 0. corniculata, Linn.; Benth. Fl. Hongk. 56. Common on 



roadsides and waste places, Hongkong ; paddy fields near 

 Swatow. Fl. yellow, April. 



2. 0. Martiana, Zucc. ; Benth. 1. c. Common in cultivated ground 



and roadsides, Hongkong ; in fields near Chaochaufu, 

 Swatow. Fl. purple, AprU. 



3.-BI0PHYTUM. 



Key to species. 



Pedicels longer than flowers L Eeinwardii. 



Pedicels much shorter than flowers ... 2. sensitivum. 



1. B. Reinwardtii, Walp.; Edgew. in Hook. f. Fl. Brit. Ind. i. 



437. Banks of the West River. Fl. . 



2. B. sensitivum, D C. ; Hook, f . 1. c. 436. Near Macao. Fl. 



yellow, July. 



