— 120 — 
hatte. Sie blühte zum ersten Male im Februar 1920 im Dahlemer 
Garten. 
Dendrobium calothyrsos Schltr. n. sp. 
Epiphyticum, erectum, ce. 45 cm altum; rhizomate valde abbreviato; 
radieibus filiformibus, flexuosis, glabris; pseudobulbis cylindraceis, 
mox sulcatis, basin versus leviter attenuatis, usque ad 27 cm longis, 
supra medium c. 12 mm diametro, apice 4—5-foliato, colore flavido; 
foliis erecto-patentibus, ligulatis vel oblongo-ligulatis, obtusiuseulis, 
coriaceis, usque ad 18 cm longis, medio fere ad 3,5 cm latis, saepius 
angustioribus; inflorescentia erecto-patente, in specimine nostro foliis 
paulo breviore, cylindraceo, subdense 12—20-flora, pedunculo ima 
basi tantum paueivaginulato, ec. 5 em longo, racemo ipso ad 10 cm 
longo; bracteis deltoideis, acuminatis, minutis, tenuibus; floribus 
illis D. chrysotoxi Ldl. similibus, aurantiaco-aureis, speciosis, erecto- 
patentibus; sepalis late oblongis, obtusis, glabris, 2,2—2,3 em longis, 
lateralibus obliquis, basi margine anteriore paulo productis cum pede 
columnae mentum breve obtusum, 4 mm longum formantibus; pe- 
talis oblique suborbicularibus, margine minute et irregulariter serru- 
latis, 2,3 em longis, 2,1 cm latis; labello more sectionis columnam 
amplectente, expanso, e basi flabellato-laticuneata suborbiculari, mar- 
gine undulato minute et tenuiter lacerato-fimbriato, superne basi 
excepta muriculato-papilloso, supra basin in callum retrorsum oblongo- 
quagratum incrassato; columna sectionis, c. 6 mm alta, apice triden- 
tata, pede decurvo, apice excavatione transverse oblonga donato; 
anthera quadrato-cucullata, glabra; ovario pedicellato gracili, glabro, 
3,5—3,8 cm longo. 
Heimat: Wahrscheinlich Hinterindien (Burma). 
Wohl eine Einführung von Herrn Hennıs aus Burma. Die 
Pflanze blühte im Dahlemer Garten im August 1919. 
Dendrobium ehrysobulbon Schltr. n. sp. 
Epiphyticum, usque ad 45 cm altum, ramosum; rhizomate pri- 
mario breviter decumbente, crassiusculo, dense radicante, ramis 
adscendentibus, rigidulis, laxe pseudobulbiferis, vaginis mox disso- 
lutis primum obtectis, 2,5—3,25 mm diametro; pseudobulbis 2,5—3 cm 
inter se distantibus, fusiformi-clavatis, leviter compressis, unifoliatis, 
aureis, lueidis, 5—6 cm longis, supra medium usque ad 8 mm latis; 
folio ereceto-patente vel suberecto, elliptico-oblongo vel oblongo, ob- 
tusiusculo, basi breviter contracto, 6,5—11 cm longo, medio fere 
2—3 cm lato, coriaceo; inflorescentiis more sectionis abbreviatis, 
unifloris, in faseiculo apicali vel infra dorsum folii sito; pedunculo 
subnullo vel perbrevi, vaginulis paucis obtecto; bractea ovali, par- 
