Smith : Orchidaccac novae Malaycns es X. 25 



promiiientibus, c. 2.4 cm., longa, basi 1.15 cm., supra basiii 0.5 cm. lata. 

 I^etala oblique porrecta, paulum in pedem oyiiostemii decurreiitia, oblique 

 ovata, acumiiiata, acuta, c. 5( 7)iiervia, costa média intus sulcata dorso 

 beiic promiiieiite, feie 2 cm. loiiga, 0.86 cm. lata. Labellum erectum, 

 paulum iiifra médium valde recuivum, leviter 3lobum, coiicavum, costis 

 3 aliformibus basi liumilibus superiie leviter uiidulatis, iiitermedia usque iiifra 

 apicem producta, exterioribus brevioribus bene altioribus iii lobo medio 

 intermediam aequantibus, subtus costa Ioii<^itudinali coiispicue promineiite 

 apicem versus decrescente iiistructum, inexplaiiatum c. 1.85 cm. loiigum, 

 explaiiatum ambitu late rhombeum, basi contractum truiicatumque, 5nervium, 

 nervis exterioribus bene ramosis, c. 2.4 cm. longum, 1.85 cm. latum ; lobi 

 latérales erecti, incurvuli, oblique rotundati, antice angulati; lobus intermedius 

 plica rotundata introrsa a lobis lateralibus sejunctus, marginibus incurvis 

 concavus, ovato-triangulus, breviter acumiiiatus, acutus, c. 0.65 cm. loiigus, 

 0.8 cm. latus. Gynostemium rectum, dorso convexum, subtus concavum, 

 absque anthera c. 0.03 cm. longum, clinandrio concave, pariete postico pro- 

 ducto rotundato repando, auriculis brevibus, rotundatis, denticulatis. Rostellum 

 patentissimum, triaiigulum, convexum cum costula longitudinali obtusa. Pes 

 gyiiostemii cum ovario et gynostemio angulos rectos faciens, rectus, late 

 linearis, apice paulo dilatatus et labelli basi lata adnatus, concavus, c. 1.25 

 cm. longus. Ovarium latiuscule ôsulcatum, subverruculosum, minute fur- 

 furaceo-punctatum, c. 0.85 cm. longum; pedicellus tenuior, bene 0.7 cm. 

 longus. 



Sumatra: Bataklanden, North Delok Sebajak, 1650 m., terrestrial in 

 forest. (J. A. LôRZiNG n. 7312, June 1Q20). 



Padangsche Bovenlanden, Goenoeng Malintang, 1500 m., terrestrial in 

 forest. (H. A. B. BiiNNEMEljER n. 4043, July 1918). 



The nearest ally appears to be T. cordifolia HOOK. F. from Formosa. 



,,Leaves bright green with dark green parts especially along the nerves, 

 vvith a peculiar bluish green shine, somewhat lighter green beneath. Flowers 

 in gênerai winered, yellow with purple dots at the base. Lip pale crimson 

 outside, yellowish dotted bright crimson inside with a yellow band within 

 the dark brown dotted margins, top of lip more wine red. Column pale 

 yellow dotted bright crimson". (LÔRZINQ). 



„Sepals green, streaked violet. Lip with violet dots and a yellow apex. 

 Stem green tinged violet. Bracts green". (BiiNNEMtljER). 



Description from LôRZlNG n. 7312, which consists of a dried spécimen 

 and a flower preserved in alcohol. 



Tainia (sect. Mitopetalum) tencra J. J. S. n. sp. 



Rhizoma repens, radicibus crassis pubescentibus. Pseudobulbi c. 2—3 

 cm. dissiti, elongati, sicco tenues, c. 2.5—2.75 cm. longi. Folium erectum, 

 petiolatum, lanceolatum, sensim acutatum, basi obtusum, nervis 3 conspicuis 



