Smith : Orchidaccac novae Maiayenses X. 15 



bilobiila, c. 0.26 cm. longa. Stigma prominens, iitroque latere convexum 

 cum marginibus recurvis. Ovarium c. 1.4 cm. loiigum. Capsula erecto- 

 pateiis, flore marcedo coronata, fusiformis, basi brevissime pedicellato- 

 contracta, ôcostata, c. 2.2 cm. longa, rimis 6 dehiscens. 



Sumatra: West coast, Goenoeng Maliiitang, 1900 m., in forest. 

 (H. A. B. BiiNNEMEljEK iirs. 3933 and 4057, July 1918). Goenoeng Sago, 

 1800—2000 m., not rare. (H. A. B. BuNNEMEljEK nrs. 4012 and 4355, 

 july and August 1918). 



The variety differs chiefly in the colouring of the flowers which are 

 described by the author as green, the iip being very faintiy veined with violet. 



Description from numerous dried plants and part of an inflorescence 

 preserved in alcohol, 



Àphyllorchis sumatrana J. J. S. n. sp. 



Rhizoma verticale, brève, brevinode, vaginis brevibus tubulosis rumpen- 

 tibus, radicibus horizontalibus crassis villosis. Inflorescentia erecta, elongata, 

 laxe multiflora, pedunculo furfuraceo, c. 20- 53 cm. longo, vaginulis c. 7— 8 

 tubulosis obtusis furfuraceis ad c. 1.25—1.75 cm. longis donato, rachide 

 furfuracea, c. 9—15.5 cm. longa. Bracteae oblongae, obtusae, furfuraceae, 

 ad c. 0.5—0.7 cm. longae. Flores c. 1 cm. lati, 1.1 cm. longi, sepalis dorso 

 verruculosis et parce furfuraceis petalisque incurvis. Sepalum dorsale erectum, 

 valde cymbiformi-concavum, oblongum, apice angustatum, obtusum, brevis- 

 sime apiculatum, nervis 3 dorso prominulis, bene 0.9 cm. longum, 0.325 

 cm. latum. Sepala lateralia decurva, oblique cymbiformi-concava, falcato- 

 oblonga, obtusa, nervis 3 dorso prominulis, c. 0.725 cm. longa, 0.32 cm- 

 lata. Petala falcato-oblonga, obtusa, interdum apiculata, irregulariter marginata, 

 leviter concava, 3nervia, costa média dorso valde prominente, c. 0.75 cm. 

 longa, 0.25 cm. lata. Labellum 31obum, ambitu oblongum ; hypochylium 

 cum ovario angulum acutum, cum gynostemio angulum obtusum faciens, 

 subquadratum, apicem versus paulo dilatatum, carnosum, basi crassissimum, 

 apicem versus attenuatum, sectione longitudinali triangulum, c. 0.23 cm. 

 longum, 225 cm. latum; lobi latérales parvi, basilares, erecti, paralleli, 

 facie interiore disco adnati, oblique trianguli, margine antico angusto liberi, 

 obtusi; epichylium membrana transversa tenui 5nervia elastice insertum, 

 simplex, infra médium valde recurvum et leviter constrictum, carnosum, 

 marginibus erectis basin versus paulo dilatatis rotundatis et irregulariter 

 crenulatis concavum, marginibus infra apicem incurvis contiguis cucullatum, 

 cuculli apice trigono-conico obtuso, extus superne utrinque rugulosum, 

 lateribus intus apice et margine angusto exceptis valde convexo-incrassatum 

 et verrucoso-rugosum, fere 0.6 cm. longum, basi 0.3 cm. latum. Gynoste- 

 mium longiusculum, vix curvulum, apice non dilatatum, dimidio inferiore 

 subteres, costula longitudinali ab auricularum margine antico decurrente 

 utrinque, dorso ad apicem longitudinaliter bisulcatum, 0.525 cm. longum, 



