52. LYTHTUCE/E. 25 



DISTTJB. India and Malay. 



There is a little doubt about this beiug identical with the Indian species. 

 I saw several forms of this species at Kew, and noticed that there are there 

 some specimens from continental China which are exactly the same as the 

 present plant. 



7. Astronia BLUME. 



Astronia pulchra VTDAL, Rovis. PI. Vase. Filip. p. 13(1 ; DC. Monogr. 

 Phanerog. VII. p. 1097 ; HAY ATA Mater. Fl. Formos. p. 114. 



HAB. Hozan, Kotosho, Kashoto, Koslmn, Hieranzan, Kusuknsu. 

 B. The Philippines. 



TasJiircea oldnawensis HAYATA (non MA. r rsUM.}.=Pachycentria formosana 

 HAYATA. 



52. Lythraceae. 



CoiiNjM'chis ff flic Formown Genera. 



T.( >w or aquatic herbs with small or minute flowers ; calyx mem- 



branaceous Koffibt. 1 



Shrubs. Calyx herbaceous coriaceous or fleshy. Petals often large, 



wrinkled. (1) 

 ( 1 ) Calyx-lobes herbaceous or coriaceous (2) 



Calyx-lobes fleshy ; stamens oo Punim 5 



( 2 ) Flowers 6-fid. Capsules circumcised Pemphis 2 



Flowers 4-fid. Capsules irregularly breaking up Lawsonia. 3 



Flowers G-fid. Capsules 3-6-valved. Seeds winged. .Lager sir wmia. 4 



1. Rotala LINN. 



Kef/ to tlic Formosan Species. 

 ( 1 ) Plant very small, creeping 4 cm. long. Leaves very small linear less 



than 5 mm 7?. mexicana. 



Plant 10-15 cm. high, erect or ascending. Leaves lanceolate, oblong or 

 rounded, nearly 1 cm. long. (2) 



