Plate 92. Fig-. 1, one of the side sepals, side view ; 2, odd 

 sepal, side view ; 3, one of the petals, front view ; 4, ditto, back 

 view ; 5, column, with lip, side view ; 6, ditto, viewed from above ; 

 7, lip, side view ; 8, rostellum, viewed from above ; 9, one of the 

 poUinia. 



An erect slender herb, 17-34 or (fide Schlechfer) up to 50 cm. 

 high ; stem straight or somewhat flexuous, with a single longi- 

 tudinal line of pubescence which alternates with the leaves, 

 distantly Sfoliate, l-6fl. at the apex, flovveis among the largest in 

 the genus ; leaves spreading- or ascending amplexicaul, cordate at 

 base, ovate acuminate, usually undulate, 2-6 '5 cm. long-, 1-3 cm. 

 wide ; bracts leaf-like erect-spreading, the lower about equalling- 

 the ovary, the upper shorter; lateral sepals spreading then deflexed, 

 obliquely ovate, acuminate, furnished below the middle with an 

 obtuse sac, 0*2 cm. long, 1*2-1"4 cm. long ; odd sepal galeate 

 inflated, very obtuse at the back, acuminate, l-2-l'7 cm. long, 

 0"7-l cm. in diam. ; petals clawed cucullate cuspidate-acuminate, 

 obtusely l-21obed on the anterior margin, adhering to the galea by 

 their posterior margin, 1'2 cm. long; lip erect, then horizontally 

 incumbent over the rostellum, finally decurved and slightly- 

 incurved at the apex, l"o cm. long, divided almost in the middle, 

 the lower part linear, the upper part thickened (probably forming a 

 nectary) Spartite, anterior segment ascending- subarcuate ovate- 

 lanceolate acuminate green, adhering to the apices of the sepals 

 and petals, the posterior segments horizontal parallel linear- 

 lanceolate acute, the margins crenulate ; rostellum concave, bifid 

 at the apex, segments cucullate, the margins crenulate, 0*9 cm. 

 long, gland-bearing arms oblong porrect-incurved ; glands oblong, 

 O'B cm. long ; stigma bipartite. 



Described from several dried and living specimens. The 

 drawing was made from plants collected near Engcobo (Bolus 8735). 



