ORCHIDS OF MADAGASCAR. 507 



sepalo postico parvo ovato lanceolato, cum petalis angustioribus 

 galeam formante, lateralibus late ovatis obtusis obliquis, quam 

 posticum mulfco majoribus ; labello cuneato trilobo, lobis late- 

 ralibus latis ovatis obtusis, medio lineari longiore, calcare brevi 

 crasso curvo, apice clavato viridi ; anthera apiculata, apicibus 

 brevibus crassis ; rostello triangulari ; ovario gracili glabro. 



Madagascar: Bara ! Imerina, Deans Cowan !, Hildebrandt no. 

 3495 ! ; Ivatolo, valley to the north !, Deans Cowan ; no specific 

 locality, Hilsenberg Sf Bojer ! in Herb. Brit. Mus. ; A ndramasina, 

 Barker] Baron 623!; coast to capital, Langley Kitchingl in 

 Serb. Kew. According to Bojer it occurs also in Mauritius. 



This seems to be a common aud striking plant in Madagascar. 

 It has four or live lanceolate leaves, 3 to 5 iuches long, | an inch 

 across at the base of the stem, which is barely 1 foot in height, 

 and terminated by a loose spike of 9-12 purple flowers. The 

 bracts are \ of an inch long, the ovary \. The lateral sepals 

 are large and spreading, 3 lines long by 2 across. The spur is 

 remarkably short, curved up under the lip, and clubbed at the 

 end. The lip is oblong cuneate, \ inch long ; the lateral lobes 

 obtuse, short, and spreading; the middle one narrow and 

 straight. 



Habenaria nutans, n. sp. — Subpedalis ; f oliis 1-2 radicalibus 

 late lanceolatis acutis, basi angustatis, racemo laxo multifloro 

 nutante ; floribus mediocribus roseis ; bracteis membranaceis lan- 

 ceolatis acuminatis, dimidio ovarii requantibus ; sepalo postico cu- 

 cullato ovato obtuso ; sepalis lateralibus ovatis lanceolatis obtusis 

 obliquis porrectis, petalis subaequantibus ; petalis ovatis oblongis 

 obtusis ; labello angusto lineari, sepalis lateralibus subaequali, ad 

 basin column* adnato ; calcare filiformi acumiuato, quam ovarium 

 triente breviore ; columna brevi, apicibus anthera recurvis ; pro- 

 cessubus stigmaticis crassis brevibus latis curvis, apicibus papu- 

 losis ; ovario seiniuueiali pubescente. 



Madagascar : Central, Baron, no. 1703!; Imerina, Deans Cowan, 

 Serb. Brit. Mus. ; Andrangoloaka, Parker ! Herb. Kew. 



This plant is related to H. citrina, Thouars. It has elongate 

 tubers, and a rather weak stem 7 inches in height, terminated in a 

 rather broad but loose nodding head of purple flowers, as large as 

 those of H. purpurea, Thouars. There is one, more rarely two, 

 broad lanceolate leaves 4| inches in length by nearly 1 in breadth. 

 The hooded dorsal sepal with the petals forms a galea. The lateral 



