ORCHIDACEA 
SPATHOGLOTTIS Bi. 
Spathoglottis Vanoverberghii Ames sp. nov. S. tomen- 
tosa Ames Orch. 2 (1908) 163, 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. altus, 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 Ames 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, 
