1 



108 

 12.— MEMEOYLON. 



Fruit 5 lines long ; dried leaves green 

 Fruit 3 lines long ; dried leaves blackish 



Key to species. 



1. ligustrifolium. 



2. nigrescens. 



M. ligustrifolium Champ. ; Benth. Fl. Hongk. 117. Common 

 in the Happy Valley woods, on Mt. Cameron and at 

 Repulse Bay, Hongkong ; Macao. Fl. blue, April. 

 2. M. nigrescens, Hook. ; Walp. Eep. ii. 149. In the Happy 

 Valley woods, Hongkong ; Macao. Fl. . 



3. 



4. 



LYTHRACEAE. 



Key to genera. 



1. Herb 



Shrub or tree . . . 



2. Inflorescence lateral 

 Inflorescence terminal 



3. Calyx 4-partite... 

 Calyx 6-toothed 



1. Ammannia. 



2. 



2. Woodfordia. 



3. 



3. Lawsonia. 



4. Lagerstroemia. 



1.— AMMANNIA. 

 Key to species. 



1. A, 



2. A, 



3. A, 



4. A, 



myriophylloides, Dunn in Journ. Bot. 1909, 199. In pools 

 at Kwenping, HoiEung. Fl. rose-coloured, September. 



rotundifolia, i?a/n. ; Benth. Fl. Hongk. 111. Common in 

 marshy places, Hongkong ; Taimoshan at 1500 ft., Hong- 

 kong New Territory ; Swatow ; in swampy spots near 

 Canton ; Pakhoi. Fl. rose-coloured, January. 



peploides, Spreng. ; Clarke in Hook. f. Fl. Brit. Ind. ii. 566. 

 In a swamp in the Happy Valley, Hongkong ; in a paddy 

 field at Kuntong and near Sanwai, Hong New Territory ; 

 on the bank of the Han Eiver, Swatow ; around Canton. 

 Fl. pink, October. 



pentandra, Roxb. ; Clarke 1. c. 668. Canton ; North River. 

 Fl. pink, November. 



