— 320 — 



Amarantaceae. 



Achyranthes L. 

 A. aspera L. 



Lem Ngob (no. 39); a weed. 

 Area: Tropics. 



Piperaceae. 



Piper L. 



1. P. nigrum L. ; Hook. Fl. Br. Ind. V. 90. 

 Cultivated at Lem Dan (no. 216). 



Area: A native of India, widely cultivated in the tropics. 



2. P. sp. 



Without locality (no. 868). 



Peperomia L. 



3. P. pellucida (L.) Kunth. 

 Lem Dan (no. 483). 



Area: Tropical America and Africa. No doubt introduced in Siam. 



Casuarinaceae. 



Casuarina Forst. 



C. equisetifolia Forst.; Hook. Fl. Br. Ind. V. 598. 



Sandy sea-shore at Klong Prao (no. 892) and Koh Kahdat (no. 322). 



Area: India, Malaya, Australia, Polynesia. 



