.- 90 - 



punctatum, callo incurvo quadrangulo truncato punctato intus 

 inter lobos, c. 1 cm. longum, ab apice loboruin lateralium usque 

 ad apicem calcaris c. 0.7 cm. altum ; lobi latérales erecti, falcato- 

 incurvi, suboblongi, parte antica libéra oblique quadranguli, apice 

 recurvi, obtusi, papillosi, sinu inter lobos ciliolato, gj-no.stemium 

 longe superantes; lobus intermedius porrectus, crassus, oblongus, 

 sectione transversa obtuse trigonus, supra subcarinatus, basi 

 excavatus cum sulco longitudinali inconspicuo, obtusus, papillosus, 

 c. 0.55 cm. longus, 0.27 cm. latus; calcar saccatum, deorsum 

 spectans, pedem gynostemii continuum, cum lobo intermedio 

 angulum obtusum faciens, rotundatum, antice visum quadrangulum 

 truncatumque, intus pilosum, cum pede gynostemii c. 0.4 cm. 

 longum, 0.275 cm. latum. Gynostemium brevissinium, truncatum, 

 album, vix purpureo-punctatum, absque antherac. 0.1 cm. longum, 

 clinandrio triangulo, concavo. Anthera cucullata, arabitu sub- 

 quadrangula, apice truncata, alba, membranacea, c. 0.12 cm. lata. 

 Pollinia 4, valde inaequalia, a dorso compressa, oblique oblonga, 

 obtusa, pallide ilava, postica quam antica multo minora, stipite 

 brevi, alba, in appendicem erectam polliniis dorso adpressam et 

 multo minorera quadrangulam albam producto, gland ula lata cur- 

 vata, tota c. 0.1 cm. longa. Stigma parvum, alte excavatum. 

 Pes gynostemii cum ovario angulum rectum faciens, rectus, latus, 

 apice late truncatus et utrinque dentem parvum rectangulum 

 formans, concavus, cinnamomee maculatus, c. 0.15 cm. longus. 

 Ovariuui ôsulcatum, pallide viride. 0.7 — 0.85 cm. longum. 



Sumatra: Lampong, Menggala. (H. A. Gusdorf, liv. pi. 

 cuit, in Hort. Bog. sub n. 85, 106 and 151). 



Similar to Tli. arachnites Rchb. f. but differing in the larger 

 flowers, shorter spur. longer and bliinter midlobe and longer 

 posterior pollinia. 



27i. indragiricnse Scliltr. too is doubtless an allied species, 

 but tbe description is not full enough for comparison. The leaves 

 of the said species, however, are much smaller than those of 

 TJi. lampongense. 



Description from living plants. 



o Tliri\!»periiiiiiii isect. Orsidice) lalifoliiiiii J. J. S. n. ^p. 



Caulis dependens, apice incurvus, compressus, c. 13 cm. Ion- 



