J. J. SMITH. ORCHIDEEN. 59 



Dendrobium Tipula J. J- S. in Bull. Dép. Agr. Ind. ucerl. n. XIX (1908), 20. 



Tab. XXI. 68. 



Rhizoma abbreviatum. Pseudobulbi appro.\imati, e basi fusifornii-incrassata, c. 2.5 cm. 

 longa, 0.6 — 0.7 cm. crassa in collum longum, c. 0.2 — 0.3 cm. diam., apicc ad c. 0.4 — 0.6 cm. 

 dilatatum attenuati, toti c. 14 — 24 cm. longi, unifolii. Folium lanceolato-oblongum, apice 

 bidentatum, basi angustatum, costa média supra sulcata, coriaceum, c. 7.5 — 8.5 cm. longum, 

 1.8 — 1.9 cm. latum. Inflorescentia ad apicem pseudobulborum, intervallis plurcs flores gignens, 

 spatha conduplicata cincta, pedunculis fasciculatis, c. 0.7 cm. longis, unifloris. Bractea mem- 

 branacca. Flores médiocres. Sepalum dorsale lineari-filiforme, inferne sensim dilatatum, con- 

 cavum, c. 2.6 cm. longum, basi 0.36 cm. latum. Sepala lateralia dorsali similia, basi valde 

 oblique dilatata, c. 2.45 cm. longa, basi 0.57 cm. lata, cum pede gynostemii mentum incurvum 

 obtusum formantia. Petala lineari-filiformia, basin versus paulo dilatata, c. 2.1 cm. longa, 

 O. I cm. lata, cum sepalis rubescentia, inferne flavescentia. Labellum e basi cuneata erccta 

 panduratum, gynostemio parallelum, recurvum, 3-lobum, omnino minute puberulum, costis 2 

 parallelis, inter lobos latérales rectis, in ungue lobi medii valde undulatis, ad basin laminae 

 lobi medii evanescentibus, ochrascens, expansum c. i.i cm. longum; lobi latérales erecti, 

 rotundati, antice subcrenulati, transverse badio-maculati, apicem gynostemii haud attingentes; 

 lobus intermedius magnus, unguiculatus, c. 0.8 cm. longus, ungue quadrato-oblongo, marginibus 

 incurvo crenato undulato, badio-maculato, c. 0.3 cm. lato, lamina semiorbiculari, obtusa, undu- 

 lata, immaculata, c. 0.43 cm. longa, 0.6 cm. lata. Gynostemium crassiuscule conicum, flavescens, 

 c. 0.3 cm. longum, clinandrio denticulato. Anthera cucullata, apice 3-dentata, dente inter- 

 medio obtuso. Stigma longitudinaliter oblongum. Pes gynostemii cum ovario angulum obtusum 

 faciens, valde incurvus, concavus, 3-costatus, truncatus, badio-notatus, c. 0.47 cm. longus. 

 Ovarium c. 0.25 cm. longum, cum pedicelio c. 2 cm. longo pallide viride. 



Niederl. Neu-Guinea: An dem Noord-FIuss, sûdlich des Geluks-Hûgels [Exp. Lorentz 1907, 

 DjiBDjA n. 558 leb. Pfl. 



Die Beschreibung wurde angefertigt nach einer lebend in Buitenzorg eingefiihrten Pflanze. 



Die der Sektion Longicollia angehorige Art ist verwandt mit D. Dcndrocolla J. J. S. 

 von Ambon, von ihm jedoch u. a. leicht zu unterscheiden durch die auf dem Nagel des 

 Mittellappens welligen Leisten. 



Dendrobium validicolle J. J. S. in Bull. Dép. Agr. lud. néerl. n. XIX (1908), 21. 



Tab. XXII. 69. 



Rhizoma abbreviatum. Pseudobulbi approximati, validi, e basi oblongo-ovoidea c. 5.5 cm. 

 longa, 1.6 — 2.1 cm. diam. in collum subteres, apice leviter dilatatum, medio c. 0.4 cm. crassum 

 attenuati, satis dilute virides, c. 20 — 30 cm. longi, unifolii, basi vaginis magnis cincti. Folium 

 magnum, oblongum, apicem versus paulo dilatatum, rotundatum, anguste emarginatum, basi 

 subconduplicatum. rigide coriaceum, nitide viride, subtus opacum, c. 18.5 — 22 cm. longum, 

 5.5 — 6.3 cm. latum. Inflorescentia ad apicem pseudobulborum, spatha conduplicata, nitida, 

 straminea, c. 4^4.7 cm. longa, 1.3 — r.4 cm. lata cincta, intervallis plures flores gignens, 

 pedunculis fasciculatis, pallide viridibus, c. 3 — 4 cm. longis, unifloris, nonnullis vaginis tubulosis 

 membraneis tectis. Bractea brcvissima, annularis, postice breviter acuminata. F'iores ephemeri, 



