ON PLANTS FROM ANNAM 123 



supernedilatatus, lobus posticus lanceolatus cucullatus cuspidatus 

 1.5 mm., laterales lineari-oblongi breviter cucullati. Labellum late 

 obovatum trilobum, lobis lateralibus latis rotundatis medio angustiore 

 oblongo, 3 cm. longum, 2.5 cm. latum. Anthera 7 mm. longa, crista 

 tenui oblonga reniforme in dorso. 



Dalat, 5 ; 000 ft. '■' White tinged with pink and spotted 

 crimson." 



The genus Geostachys has been hitherto known only from the 

 Malay Peninsula. This species has not secund flowers or rather 

 branches as most of the species, and has a distinct thin crest. 

 37. Alpinia bracteata Roxb. 

 Langbian Peaks, 7.000. ft. White lip crimson with yellow 

 extremity. 



Distrib. India, Burma, Shan States, Siam. 



38. Alpinia velutina Ridl., sp. now 

 Folia lanceolata utrinque attenuata glabra 34 cm. longa 

 6 cm. lata. Panicwla densa 11 cm. longa tomentosa. Bractece caducse 

 oblongae obtusae 1 cm. longae molliter liirtae. Calyx tubulosus densa 

 hirtus 2 cm. longus apice breviter trilobo. Corolhe tubus aequilongus 

 lobi spathulate cucullati hirti. Labellum carnosum, ungue longo, 

 limbo decurvo obovato apice rotundato trilobo, nervis elevatis. 

 Anthera oblonga dorso hirta appendice nullo filamentum petalo 

 sequilongum. Gapsula globosa rubra 1 cm. longa hirta. 



Langbian Peaks, 6,500 to 7,000 ft. "Flowers white 

 streaked with crimson, mantle pale green, fruit blood-red." 



This very soft tomentose plant is allied to A, Murdochii 

 Ridl. ; A. oxymitra Schum. is also allied to it, but has distinct 

 staminodes and a crested anther. 



39. Alpinia conchigera Griff. 

 Dalat, 5,000 ft. " White." 

 In young bud but I think it is this species. 

 Distrib. Burma, Malay Peninsula. 



VOL. IV, NO. 3, 19'2L 



