ON PLANTS FROM ANNAM. 115 



2. Dendrobium Willi amsoni Day & Kchb. fil. 



Langbian Peaks, 6000 ft. " Whitish to pale. yellow, lip streak- 

 ed scarlet, top of throat carmine." Dalat, 5000 ft. " Flowers yellow, 

 hairy part of lip and base of hood blood-red, 2 to 4 flowers in a 

 cluster." 



Distrib. Assam, Khasiya. 



3. Dendrobium draconis Rchb. fil. 



Dran, 3-4,000 ft. " Flowers white, lips striped vermilion be- 

 coming yellowish in front." Flowers in clusters of 2-6. 



Distrib. Tenasserim, Siam, Cochin China. 

 4. Dendrobium Pierardi Roxb. 



Dran, 3-4,000 ft. " Sepals white faintly tinged green and 

 tipped faint crimson. Petals white faintly tinged green. Lip pale 

 yellowish green, throat streaked with purple." 



Distrib. Himalayas, Bengal south to Tenasserim and Malay 



Peninsula. 



5 ClRRHOPETALUM MACULOSUM Lhldl. 



Langbian Peaks at 6,000 and 6,500 ft. " Dull greenish yellow 

 spotted brown to dull pale crimson, greenish slightly marked with 

 reddish brown." 



Distrib. Nepal, Kumaon, Sikkim. 



6. Ione annamensis Ridl., sp. nov. 



Rhizoma validulum, pseudobulbis remotis curvis conicis flavis 

 rugulosis (in sicca) 2.5 cm. longis 1 cm. latis ad bases. Folium 

 lineari-lanceo-laterae coriaceum obtusum minute bilobum, basi in 

 petiolo 1 cm. longo attenuatum, 12 cm. longum, 1-5 cm. latum. 

 Scapus gracilis 30 cm. longus, vaginis ad 6, remotis 3 cm. longis. 

 Racemus 6 cm. longus floribus nutantibus 6. Bradeae lanceolatae 

 subscariosae 1 cm. longae appressae. Pedicelli graciles 1.5 cm. 

 longi. Sepalum pasticum ovatum obtusum 1.2 cm. longum 7 

 mm. latum, lateralia angustiora sublanceolata aequilonga basi 

 connata. Petala ovata obtusa minute denticulata 3-nervia multo 

 breviora. Labellum carnosum basi cymbiforme, apice crasso minute 

 papilloso, 8 mm. longum, kermesinum marginibus ad basinvidetur 

 viridulum ; callo ad basin transverso cornubus 2 minutis. Golumna 



VOL. IV, NO. 3, 1921. 



