ORCHIDACE^ 



SPATHOGLOTTIS Bl 



Spathoglottis Vanoverberghii Ames sp. 7iov. S. tomen- 

 tos-d Ames Orch. 2 (1908) 1G3, non Lindl. (as to specimens from 

 Luzon). Pseudobulbi breviter cylindracei, circa 3 cm. longi, 

 2.5 cm. in diametro prope basim, valde rugosi, vaginis tecti. Fo- 

 lia (non visa) in anthesi absunt. Pedunculus ±2 dm. alt us, rigi- 

 dus, erectus, superne minute tomentosus, infra racemum brac- 

 teis quattuor ±15 mm. longis tubularibus oblique truncatis acu- 

 tis. Bracteae inflorescentiae ±1 cm. longae, cymbiformes, late 

 ovatae, dense pubescentes, pedicellis breviores. Flores succe- 

 danei, in racemo usque ad 18 cm. longo dispositi; rachis sub 

 anthesi abbreviata. Pedicelli cum ovario graciles, pubescentes, 

 2-3 cm. longi. Sepala lateralia ±2 cm. longa, 7-8 mm. lata, el- 

 liptico-lanceolata, acuta, pubescentia. Sepalum dorsale simile. 

 Petala 2 cm. longa, 12-13 mm. lata, late ovata, obtusa. Label- 

 lum 1.3-1.4 cm. longum, trilobatum ; lobi laterales 1-1.2 cm. 

 longi, usque ad 6 mm. lati, oblongi, subdolabriformes ; lobus 

 medius 1.1 cm. longus, unguiculatus, prope basim bilobulatus 

 lobulis pubescentibus, apice flabellatus, retusus ; in disco, prope 

 basim labelli, callo crescentiformi valde incrassato. Gynostemium 

 circa 13 mm. longum, gracile, arcuatum, utrinque alatum. 



Luzon, Bontoc Subprovince, Father M. Vanoverbergh 163, December 

 18, 1910. 



BULBOPHYLLUM Thou. 



Bulbophyllum (§Sestochilus) costatum A?nes sp. nov. Ra- 

 dices fibratae, ramosae. Rhizoma repens, lignosum. Pseudobulbi 

 2-3 cm. longi, pyriformes, rugosi, circa 2 cm. inter se, mono- 

 phylli. Folium cum petiolo ±1.3 dm. longum, 3-4 cm. latum, 

 erectum, valde coriaceum, oblongo-ellipticum. Petiolus ±3 cm. 

 longus, rigidus. Scapus ±7 cm. longus, a basi pseudobulbi ortus, 



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