ON PLANTS FROM ANNAM. 133 



antice bicalcarato. Ovarium superne pilis longis obtectum ad calycem 

 plus minus adnatum. 



Dalat, 5,000 ft. " In scrub at edge of forest." 



Noticeable on account of the calyx being densely covered 

 and the segments being narrow. The flowers are generally in 

 threes. 



The anthers of the larger stamens are 10 mm. long, those of 

 the smaller 8 mm. long. 



I have carefully compared it with specimens of M. decem- 

 fidum Roxb., collected by W. Jack on Penang Island. The flowers of 

 M. Klossii are smaller and generally in threes, whilst those of 

 M. decemfidum are solitary or subsolitary. 



97. Melastoma candidum Don. 



Dran, 3,000-4,000 ft. " Pale purplish pink." 



Distrib. Widely distributed. 



LYTHRACEJE. 

 98. Rotala rotundifolia Koehne. 



Lian Khanh Falls, 3,000 ft. Dran, 3,000-4,000 ft. 



Distrib. Widely distributed. 



ONAGRACEM. 



99. JUSSIEUA ANGUSTIFOLIA Lam. 



Dran, 3,000-4,000 ft, " Flowers yellow." 



Distrib. Widely distributed. 



BEGONIACE.E. 

 100. Begonia langbianensis Bak. fil., sp. nov. 



Herba caulescens, caule longitudinaliter striato validiusculo 

 ad B. laciniatam Roxb., et B. cirVumlobatam Hance, accedens. 

 Stipulae 2 liberae, subacuminatae. Folia parum inaequilatera palma- 

 tim usque ad medium 5-7 lobata, utrinque praecipue ad costam pilis 

 adspersa, lobis lobulatis remote serratis apice acutis vel subacumina- 

 tis, 12-15 cm. longa, 13-16 cm. lata, petiolo 6-9 cm. longo praedita. 

 Flores desuut. Peduncular fructiferus 14-17 cm. longus. Fructus 

 capsularis inaequaliter 3-alatus, ala maxima 12-15 mm. longa. 



Langbian Peaks, 7,000 ft. " Leaves green, stems and fruit 

 red." A plant allied to B. laciniata Roxb., with green leaves and 



VOL. IV, NO. 3, 1921. 



