131 



1. Geocharis aurantiaca Ridl. in Journ. Str. Branch Roy. 

 As. Soc. 50 (1908) 144. 



Sarawak, Hewitt. Malay Peninsula. 



2. Geocharis rubra Ridl. op. cit. 146. 

 Sarawak, Hewitt. Endemic. 



1. Plagiostachys borneensis Ridl. in Journ. Str. Branch 

 Roy. As. Soc. 46 (1906) 242; Winkler in Engl. Bot. Jahrb. 44 

 (1910) 530. . 



Sarawak, Ridley 11800- Dutch Borneo, Winkler 2581. 

 Endemic. 



2. Plagiostachys strobilifera (Baker) Ridl. in Journ. Str. 

 Branch Roy. As. Soc. 32 (1899) 151, 46 (1906) 242; K. Schum. 

 in Engl. Pflanzenreich 20 (1904) 375. Alpinia strobilifera Baker 

 in Kew Bull. (1898) 225; K. Schum. in Engl. Bot. Jahrb. 27 

 (1899) 300. 



Sarawak, Ridley, British North Borneo, Ridley, Creagh. 

 Endemic. 



1. Costus globosus Blume Enum. PI. Jav. (1828) 62; Ridl. 

 in Journ. Str. Branch Roy. As. Soc. 46 (1906) 235. 



Borneo, Ridley. Malay Peninsula, Sumatra, Java. 



2. Costus microcephalus K. Schum. in Engl. Pflanzenreich 

 20 (1904) 412; Ridl. in Journ. Str. Branch Roy. As. Soc. 46 

 (1906) 235. 



Dutch Borneo, Korthals. Endemic. 



3. Costus paradoxus K. Schum. in Eng Bot. Jahrb. 27 

 (1899) 345; Engl. Pflanzenreich 20 (1904) 424. 



Sarawak, Beccari 3791. Endemic. 



4. Costus speciosus (Koenig) Smith in Trans. Linn. Soc. 

 1 (1791) 249; K. Schum. in Engl. Bot. Jahrb. 27 (1899) 343; 

 Engl. Pflanzenreich 20 (1904) 398; Ridl. in Journ. Str. Branch 

 Roy. As. Soc. 46 (1906) 235; Winkler in Engl. Bot. Jahrb. 44 

 (1910) 532; Gibbs in Journ. Linn. Soc. Bot. 42 (1914) 163. 



Var. angustifolia K. Schum. 1. cc. 343, 398. 

 Sarawak, Beccari 3536. 



Var. hirsuta K. Schum. 1. cc. 

 Sarawak, Beccari 593, Native collector 450!, 9821 Bur. Sci. 



Var. lasiocalyx K. Schum. 1. cc, 

 Sarawak, Beccari 4046, 



