OBCHIDS OP MADAGASCAB. 503 



yellow ; and in Thouars's figure the whole flower is green ; but a 

 note fixed to a specimen collected by Parker in the Kew Her- 

 barium says "flowers pink," The lip is short and three-lobed ; 

 the edges at the base are reflexed so as to form a channel to the 

 spur. The lobes are short and blunt, the median one the longest, 

 all thick and fleshy, especially at the apex. The spur is very 

 short and sac-like. The column is very short, and bears two 

 small lateral, ovate, erect auricles. 



Habeintaeia MLNTrTiFLOitA, n. sp. ; tuberibus digitatis ; caule 

 sarpe gracillimo debili pedali ; foliis linearibus lanceolatis flaccidis 

 acutis ; racemo laxo ; floribus minutis remotiusculis ; bracteis 

 linearibus acuminatis, ovario subaequantibus ; sepalis petalisque 

 subsequalibus subsimilibus lanceolatis ligulatis obtusis ; labello 

 obtuse trilobo, sepalis subaequante, lacinia media longiore obtuse 

 lanceolata carnosula, lateralibus brevissimis obtusis reflexis ; 

 calcare scrotiformi parvo ; columna brevissima. 



Andra.ngoloaka, E. Imerina in sylvis umbrosis, Nov. 1880, 

 Hildelrandt no. 3729 ! in Serb. Brit. Mus. 



An inconspicuous plant, related to II. spiralis, but with broader 

 flaccid leaves, 5 inches long by i inch across, a weak slender stem 

 1 foot high, and a raceme of somewhat distant very small flowers. 

 The whole plant dries black. 



H. miseba, n. sp. ; foliis 2, ovatis vel ovatis lanceolatis, cus- 

 pidatis ; caule in toto florifero gracili laxo ; bracteis lanceolatis 

 flores bis superantibus ; floribus minutis ; sepalis lateralibus 

 ovatis lanceolatis obtusis, postico latiore ; petalis brevionbus 

 lanceolatis carnosulis ; labello integro ovato brevi, apice carnoso, 

 basi excavato, marginibus erectis ; calcare brevissimo saccato ; 

 apicibus antherarum brevibus divergentibus ; anthera brevissime 

 apiculata. 



Imerina, Beans Cowan ! in Herb. Brit. Mus. 



This plant is closely allied to II. minutijlora, but is distinguished 

 by its oval cuspidate leaves and shorter ovary and entire lip. 



H. Hildebbandtit, n. sp.— Herba gracillima ; tuberibus 

 parvis ovalibus cylindricis ; foliis paucis linearibus acuminatis ; 

 caule gracili 9-1 5-unciali ; racemo longiusculo 2|-unciali com- 

 pacto plurifloro; floribus minimis quaquaversis; bracteis lineari- 

 bus acuminatis, ovario aquantibus vel paullo longioribus ; sepalis 

 petalisque ovatis obtusis brevibus subaequalibus ; labello ovato 



LINN. JOUBN. BOTANY, TOL. XXI. 2 O 



