ORCHIDACE^ 



apice oblique truncatae, in sicco rugosae. Folia plus minus ve 4.5 

 cm. longa, circa 11 mm. lata, 6 mm. inter se distantia, valde cori- 

 acea, ligulata, apice inaequaliter bilobata, in petiolum brevem 

 contracta, disticha, oblique ascendentia, in sicco rugosa. Pedun- 

 culi elongati, usque ad 20 cm. longi, rigidi, vix 1 mm. per me- 

 dium, paucibracteati, bracteis tubulatis, circa 3 mm. longis. Ra- 

 cemus plus minusve 2 cm. longus. Bracteae inflorescentiae usque 

 ad 6 mm. longae, lineari-triangulae, acutissimae, rigidae, quaqua- 

 versae, quam pedicellus cum ovario breviores. Flores succedanei, 

 flavescentes,perpauci aperti eodem tempore, membranacei. Pedi- 

 cellus cum ovario vix 1 cm. longus, gracilis, glaber. Sepala later- 

 alia plus minusve 7 mm. longa, supra basim 4.5 mm. lata, inae- 

 qualiter triangula vel late falcata, acuminata, acuta, apice con- 

 duplicata. Sepalum dorsale 7 mm. longum, lanceolatum, valde 

 contractum, acutum. Petala 6 mm. longa, circa 1 mm. lata, ob- 

 longo-lanceolata, acuta, valde membranacea. Labellum e basi 

 columnae usque ad apicem lobi terminalis circa 5 mm. longum, 

 trilobatum, membranaceum, in saccum 3 mm. longum produc- 

 tum, unguiculatum, ungue 2 mm. longo ; lobi laterales antice 2 

 mm. longi, late falcati, apice curvati, triangulari-acuti, membra- 

 nacei, quam lobus medius multo longiores; lobus medius abbre- 

 viatus, vix 1 mm. longus, triangulus, porrectus, leviter concavus ; 

 discus prope basim lobi medii callosus, callo bilobato, transverse 

 complanato, prope apertionem sacci callo triangulo, carnoso in- 

 structus. Gynostemium ad apicem antherae 2.5 mm. longum, 

 carnosum. Capsula cylindrata, usque ad 6 cm. longa. 



Among Philippine species T. Weheri is closely related to 

 T. agusanense Ames and T. Wenzelii Ames from w^hich it differs 

 in the characters of the inflorescence. When spread out the lat- 

 eral lobes of the labellum project far beyond the middle lobe 



and converge. The lateral sepals are characterized by an excessive 



[ 135] 



