104 



MYKTACEAE. 



Key to genera. 



Leaves subulate 



Leaves expanded 



Leaves penninerved 



Leaves 3-5-nerved from the base 



Calyx splitting irregularly 



Calyx regularly lobed ... 



1. Baeckea. 



2. 

 3. 



3. Rhodomyrtus. 



2. Psidium. 



4. Eugenia. 



1.— BAEOKEA. 



1. B, 



frutescens, Linn. ; Benth. Fl. Hongk. 118. Very common 

 in Hongkong ; Lantao Island and near Lowu, Hongkong 

 New Territory ; Macao. Fl. white, Summer. 



S.— PSIDIUM. 



1. P. Gruyava, Linn. ; Benth. 1. c. 120. Very common in Hong- 

 kong ; hiUs near Chaochaufu. Fl. white, May. 



3.— RHODOMYRTUS. 



1. E. tomentosa, Hassh. ; Benth. 1. c. 120. Very common in 

 Hongkong ; Lamtsun, Hongkong New Territory ; river 

 bank near Chaochaufu ; Macao ; Pakhoi. Fl. deep rose, 

 May. 



4.— EUGENIA. 

 Key to species. 



1. Pedicels 1-flowered (i.e., flowers stalked) 2. 

 Pedicels with several sessUe flowers, 



but the calyx tube sometimes stalk- 

 like 



2. Calyx more than 1 inch diameter 

 Calyx less than 1 inch diameter 



3. Leaves 5-8 inches long 

 Leaves less than 3 inches long 



4. Leaves obtuse ... 

 Leaves acute 



5. Fruit turbinate .. . 

 Fruit ovate 



6. Cymes chiefly lateral 

 Cymes terminal... 



7. Cymes few-flowered ; leaf-nerves not 



very close . . . 

 Cymes many - flowered ; leaf - nerves 

 close, parallel 



8. Calyx lobes 4 j stamens long 



Calyx lobes 5 ; stamens short... 



3. 



1. Jambosa. 



3. 



2. operculata. 



4. 



3. sinensis. 



4. gracilenta. 



5. Championi. 



6. 

 7. 



6. minutijiora. 



7. Jamholana. 



8. Millettiana. 



9. amminatissima. 



1. E. Jambosa, Linn. ; Jambosa vulgaris, DC. ; Benth. Fl Hongk 

 120. Naturalised in Hongkong ; near Chaochaufu j 

 Macao. Fl. white. May. 



