- 31 ~ 



oblique lanceolatn, apicem versus nngustita, margine apicali incurva, acuta, 

 medio caiiaiiculata cum lateribus convcxis, dorso superne carinata, Snervia, 

 c. 0.875 cm. lotiga, 0.275 cm. lata. Petala oblique subrhombeo-lanceolata, 

 apicem versus longe angustata, subacuta, convexa cum canalicula angusta, 

 Snervia, c, 0.825 cm. longa, 0.2 cm. lata. Labellum unguiculo brevi inser- 

 tum, supra basin recurvum, superne sensim recurvulum, sublrilobum, con- 

 vexum, costis 2 parallelis validis rectis superne sensim decrescentibus 

 et in ^/s partibus supra basin evanescentibus, superne costula tertia 

 convexa apicem attingente interne obsoleta vel subconspicua basin versus 

 dilatata et sulco longitudinali duplicata interposita, Snervium, explanatum 

 subspatliulatum, c. 0.8 cm. loiigum, liypochylio subquadrangulo, basi 

 rotundato, sup^-rne dilatato, subintegerrimo, c 0.3 cm. longo. inferne 

 0.25 cm., ad lobos latérales 34 cm. lato; lobi latérales minimi, dentifor- 

 mes; lobus intermedius magnus, late subovalis, margine antico incurvulus, 

 truncato - rotundatus, minute denticulato-erosulus, c. 0.5 cm. longus, 0.475 

 cm. latus. Oynostemium gracile, curvatum, dorso convexum, c 0.46 cm. 

 longum, ala apicali recurva, antice convexa, subquadrangula, plerunique 

 acute 5dentata, dente intermedio niinimo, proximis maximis breviter 

 triangulis, alis lateralibus e medio ortis, patentibus, subincurvulis, oblique 

 lanceolatis, acutis, ala apicali bene brevioribus, c. 0,17 cm. longis, pede 

 distincto, brevi. Anthera cucuUata, abbreviato-cordata, apice breviter et 

 late triangulo-acuminata, basi lobulis 3 donato, connectivo basi conico- 

 elevato, c 0.1 cm. lata, Pollinia 4, breviter pyriformia, extus convexa, intus 

 plana, Rostellum conspicuum, patentissimum, triangulum, obtusum, convexum. 

 Stigma longitudinale, basi rotundatum, apice truncatum. Ovarium obconicum, 

 obtuse trigonum, ôsulcatum, c. 0.175 cm. longum; pedicellus paulo tenuior, 

 c. 0.275 cm. longus. 



Sumatra: Solok, Loeboek Soelasih (W. Groeneveldt, cuit, sub nrs 

 1716, 1718). 



A disttnct species v^ith short thick pseudobuibs, rigid leaves, moderately 

 sized flowers and the lip with very minute side lobes. 



«Pseudobuibs yellowish green, bracis light greenish yellow, sepals petals 

 lip transparently yellowish green, midlobe light green, latéral keels sepia 

 brov^^n, colunin light green, anther light green v^ith the apical border brown- 

 ish." (E. Jacobson). 



Description from spécimens preserved in alcohol. 



L i p a r i s (sect. Cestichis) m e n t a w e i e n s i s J. J. S. n, sp. 



Pseudobulbi approximati, oblongo-ovati, compressi, sectione transversa 

 elliptici, nitidule virides, c. 4.5 cm. longi, 2.3 cm. lati, 2folii, foliis inter- 

 nodio c, 1-1.1 cm. longo sejunctis, nonnullis vaginis alternatim bifariis 

 imbricatis basi tubulosis ceterum conduplicatis acutis carinatis viridibus 

 plus minusve ochraceo-suffusis superioribus accrescentibus primum ad basin 

 pseudobulborum. Folia articulata, erecta, divergentia, lanceolata, oblique 

 acuta vel acutiuscula, basi conduplicata, costa média supra sulcata subtus 



