V 



- 79 — 



in Hort. Bo^^. suh ii. 1386). Socngei Merasc. (Ex(i. A. W. Nieuwenhuis 

 1899 .Sakeran, liv. pi. cuit, iii Hort, Bo;^. suh. ii. 1821). 



A ncar ally of D, liynicnopfcriini IloOK. k., D. Calicopis F^iijl. etc. The 

 leaves are fine pearl-i];rey above, dark violet beiieath. 

 Description froiii livinjj; plants. 



D e II d r o b i u ni (scct. Calcarifera) G r o c n e v e 1 d t i i J. J. S. n. sp. 



Gaules breviusculi, flexuosi, conipressi, sectione traiisversa elliptici, 

 initio angulati, dcinde costati, c. 10—16 cm. longi, basi tenui c. 0.2 cm., 

 niedio 0.8 — 1 cm. lati, superiie attenuati, interiiodiis c. 1.5 — 2.2 cm. lundis. 

 Folia patentia, lanceolata, apice valde obliqua, latere longissimo oblique 

 triangula acuta, basi leviter cv)ntracta, margine recurvulo, costa média supra 

 sulcata subtus prominente, c. 4.5 — 6.5 cm. longa, 1.6—2 cm. lata; vaginae 

 tubulosae, internodia superantes, apice antice rumpentes. liiflorescentiae c 

 nodis caulium defoliatorum in flexibus, c terni fasciculati, brevissimi, Iflori. 

 pedunculo abbreviato, c. 0.2 cm. longo. Bractea triangula, acuta, concava, 

 3nervia, c. 0.25 cm longa. Flores médiocres, c. 2.3 cm. lati, 2.2 cm. longi. 

 Sepûlum dorsale ovatum. obtusum, 5( — 7)nervium, c. 1.2 cm. longuni, 0.6 

 cm. latum Sepala lateralia lacinia falcato-oblonga concava ad pedem 

 gynostemii decurrentia, mentum reversum cum ovario angulum acutum fa- 

 ciens leviter recurvulum subcylindricum obtusum c. 0.9 cm. longum for- 

 mantia, marginibus anticis interne longitudine c. 0.35 cm connata, oblique 

 ovato-triangula, obtusa, Tnervia, c. 1.25 cm., tota 1.75 cm. longa, 0.65 cm., 

 basi 1 cm. lata. Petala oblique oblonga, apicem versus vix dilatata, sub- 

 truncata, superne undulata et erosula, 3-, supra basiii 5nervia, c. 1.35 

 cm. longa, 0.45 cm. lata. Labellum spathulatum, elobatum, costis 2 con- 

 spicuis parallelis approximatis sulco separatis in basi laminae latis margine 

 exteriore valde elevatis erosulisque in c. '/4 supra basin laminae altissimis 

 angustioribus aequaliter elevaiis dorso truncatis vix canaliculatis superne 

 sensim decrescentibus convexis minus distincte limitatis usque ad apicem 

 productis in uiignem ad margines decurrentibus in '/a i'iffa basin laminae 

 erecto-incurvis erosulis et facie interiore applicatis in canaliculam pedis 

 gynostemii quadrantibus supra basin unguis abrupte rotundato-diminutis et 

 in tormam costularum basin labelli attingentibus, subtus longitudinaliter 

 sulcatum. ungue pedi gynostemii parallelo et longitudine 0.25 cm. adnato, 

 curvulo, lineari, canaliculato et tota longitudine inlus sulcato, c 9nervio, 

 c. 0.9 cm. longo, 0.23 cm. lato, lamina 'U inferiorbus marginibus recurvis 

 convexa, oblongo-quadrangula, superne paululum angustata, apice rotun- 

 dato-biloba incurva cum lobulo triangulo niulto minore interposito, basi 

 iate obtusa et cum ungue angulos obtusos faciente, erosa, c. 1.5 cm. longa, 

 1.2 cm. lata. Gynostemium crassum, dorso infra filamenlum gibbosum, 

 subtus visum ambitu quandrangulum, absque anthera c. 37 cm longum, 

 0.3 cm. latum, filamento subulato, auriculis magnis, oblique quadrangulis, 

 aiigulo anteriore rotundatis, angulo postico dentiferis. Anthera cucullata, 

 antice plana et quadrangula. apicem versus paululum angustata, apice 



