40 Bulletin Jard. Bot. Buitenzorg, Série III, Vol. V. Livr. l. 



and petals very acute, the lip longer with a large hypocliyl almost as broad 

 as the inidlobe and longer lower lamellae, the column less bent and with 

 nearly linear stelidia surpassing the bidentate clinandrium and a very dif- 

 férent anther. 



The flowers are said to be light brown with a dark brown lip. 



Description from a single dried spécimen with one inflorescence, the 

 upper part of which was preserved in alcohol. 



Dendrochilum (sect. Monochlamys) latilobum J. J. S. n. sp. 



Rhizoma elongatum, ramosum, validiusculum, teres, basi tantum radi- 

 cans, pars adest 25 cm. longa (planta vel caulis juvenilis?), internodiis ad 

 c. 2 cm. longis, vaginis adpressis acutis sicco prominenter nervosis atro- 

 punctatis ad c. 4.5 cm. longis, radicibus tenuiusculis. Pseudobulbi ad. c. 6.5 

 cm. distantes, rhizoma continui, subadpressi vel cum rhizomate angulum 

 acutum facientes, sicco teretes et rhizomate aequicrassi, facie rhizoma 

 versus spectante non canaliculati, ad bene 4 cm. longi. Folium elliptico- 

 oblongum ad lanceolatum, apice longitudine 0.7 — 2.75 cm. semel vel bis 

 contractum, angustatum, anguste obtusum, apiculatum, basi acutum, nervis 

 majoribus c.9 pluribusque tenuibus sicco supra subtusque prominentibus, 

 coriaceum, supra nitidulum, subtus opacum, c. 6.7— 11 cm. longum, 2.35 — 3 

 cm. latum; petiolus distinctus, canaliculatus, c. 0.7 — 1.1 cm. longus, Inflore- 

 scentia e pseudobulbo immaturo, folio evoluto synantha, dense multiflora, 

 pedunculo filiformi, c. 5.5—7 cm. longo, rachide nutante, validiuscula, 

 leviter flexuosa, compresso-quadrangula, lateribus angustis canaliculata, 

 parcissime et minute muriculata, c. 9 cm. longa, internodiis c. 0.15—0.175 

 cm. longis. Bracteae convolutae, pedicellum amplectentes et superantes, 

 late angulato-ovatae, acutae, basi breviter contractae, nervis 5 imperfectis 

 dorso prominentibus, parce punctatae, c. 0.3 cm. longae et latae, infima 

 longior (an semper?). Flores patentissimi. Sepalum dorsale secundum costam 

 mediam canaliculatum cum lateribus leviter convexis, subovato-oblongum, 

 breviter acutum, 3nervium, c. 0.4 cm. longum, 0.16 cm. latum. Sepala 

 lateralia obtusangule canaliculata cum lateribus leviter convexis, suboblique 

 subovato-oblonga, acuta, 2— 3nervia, costa média dorso prominente, c. 0.4 cm. 

 longa, 0.16 cm. lata. Petala suboblique subeliiptico-oblonga, acuta, superne 

 vix irregulariter marginata, concava, 3nervia, c. 0.33 cm. longa, 0.16 cm. 

 lata. Labellum parallelum gynostemio porrectum, vix curvulum, brève, 

 subtrilobum, 3nervium, lamellis 2 remotis longitudinalibus erectis brevibus altis 

 semiovalibus basi supra basin labelli costa transversa connexis in hypochylio, 

 explanatum c. 0.3 cm. longum; lobi latérales abbreviati, patentissimi, aiitice 

 in dentem minutum triangulum producti, irregulariter marginati, convexi, 

 hypochylium transverse oblongo-quadrangulum subtus sulcis 2 longitudi- 

 nalibus convexo-tricostatum c. 0.08 cm. longum 0.18 cm. latum formantes; 

 lobus intermedius hypochylio multo latior, late triangulus, subquinquangulatus, 

 brevissime acuminatus, angulis lateralibus obtusis, leviter convexus, nervis 



