52. T.YTTmACETE. 25 



DiSTRiB. India and Malay. 



There is a little doubt about this being 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, Eevis. PI. Vase. Filip. p. 136 ; DC. Monogr. 

 Phanerog. VII. p. 1097 ; Hayata Mater. Fl. Formos. p. 114. 



Had. Hozan, Kotosho, Kashoto, Koshiin, Hieranzan, Kusukusu. 

 DiSTKiB. The Philippines. 



TasMrom ohinaioensls Hayata (non M.XTSVM.J.^Pachycenf.ria fwrAosana 

 Hayata. 



52. Lythraeese. 



Cmispectus of the Formosan Genera. 



Low or aquatic herbs with small or minute flowers ; calyx mem- 

 branaceous llotcda. 1 



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

 wrinkled. (1) 

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



Calyx-lobes fleshy ; stamens oo Punica 5 



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



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



Flowers 6-fid. Capsules 3-6-valved. Seeds winged. .Lagerstra'uvki. 4 



1. JRotala Linn. 



Key to tJio Formosan Species. 



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



than 5 mm i?. niexicana. 



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

 rounded, nearly 1 cm. long. (2) 



