28 2 
THE VEGETATION OF THE DISTRICTS OF 
529 . Hydrocharis Linn. 
* Hydrocharis cellulosa Ham. ; B. P. ii. 997. 
In ponds, north-east of Calcutta, rather rare. 
530 . Ottelia Pers. 
* Ottelia alismoides Pers ; H. S. 618 ; B. P. ii. 997. 
v. Par mi kalla , pani kalla. 
In ponds, everywhere. 
XC VIII. — ORCHID A CE/E. 
531 . Pendrobium Ssv. 
* Beiulrobium anceps Sw. ; B. P. ii. 1009. Aporum ancep; H. S. 
623. 
Western Sundribuns. 
* Deiidrobium Pierardi Roxb. ; H. S. 623 ; B. P. ii. 1009. 
Western Sundribuns. 
532 . Pacliystoma Lindl. 
* Pacliystoma senile Reichb. f. ; B. P. ii. 1014. Geodorum ramenta- 
ceum H. S. 628. 
In grassy places, rare. 
533 . Eulopliia R. Br. 
* Eulopliia graminea Lindl.; B. P. ii. ioiG. E. virens H. S. 629 
(the Bengal plant), 
v. Badbari. 
In dry grassy places, west of the Hughli, rare. 
534 . (Geodorum Jacks. 
* Geodorum dilatatum R. Br. ; H. S. 628 ; B. P. ii. 1017. 
In grassy glades, not uncommon. 
Geodorum purpureum R. Br. ; H. S. 628. 
Recorded by Voigt from Serampore, quite a possible record, but 
requires confirmation ; native of India. 
535 , Luisia Gaud. 
* Euisia bracliystacliys Bl. ; B. P. ii. 1019. Cymbidium triste H. S. 
627 partly. 
Western Sundribuns, common. 
