201 
lobo perbrevi obtuso przditum, antice deltoideum. Columna 3-4" 
longa, prater apicem pertenuis. Pollinia e granulis cohzrentibus 
constantia. 
Species P. carinatz arcte cognatz ulterius comparanda. Similis 
etiam P. flabelliformi. 
Pogonia uniflora. 
Minor, folio hysteranthio, seapo wnifforo bi- v. trivaginato, 
óracteola minuta flore multoties breviore, sepalis exterioribus in- 
terioribusque parum inzqualibus, labello profunde tripartito, lobo 
znedio ovato, lobis lateralibus cuneatis antice crenulatis, axi subti- 
lissime barbellato. 
Ad sinum Rockingham's Bay. Dallaehy. 
Planta 4-6" alta, glabra, Eriochili facie. "Tuber globosum, ut 
plurimum semiunciale. Folium radicale absens.  Bractec caulem 
dissite vaginantes. Bracteola cucullato-lanceolata, 13" longa. Se- 
pala rosea, angusto- et lineari-lanceolata, semipollicem circiter longa, 
l" lata et paulo latiora.  Labelli pars superior ovata, pzne 3^ 
longa, integerrima, brevissime unguiculata; pars inferior deltoidea. 
Columna trilinearis; pars gracilis infra stigma tantum 1" longa. 
Pollinia in speciminibus transmissis jam lapsa; species igitur re- 
examinanda. : 
Pogonia biflora (Wight Icon. Pl. Ind. Or. 1758) habitu haud 
absimilis, characteribus autem longe diversa est. 
Sarcochilus phyllorrhizus. 
... G&ect. Chiloschista.) : 
Glaber, acaulis, aphyllus, radicibus late foliaceo-dilatatis planis 
repentibus, pedunculis setaceo-filiformibus spicam. racemiformem 
paueiflorum gerentibus, sepalis obovatis parum inzqualibus haud 
ungue labelli disjunetis, labelli lobis lateralibus minutis, lobo 
medio minimo saccato-semiovato, ungue perangusto. 
Ad promontorium Cape York. E. Dsmel. 
Radices corticibus prsesertim lichenosis adnatz, sepe digitum. 
longe, ad 3" late, flexuoscs, passim constrictz, costa mediana 
magis minusve distincta pereurse, e longinquo folia simultantes. 
Pedunculi 11-2" longi, seapiformes, singuli, bracteis 2-4 minutis 
amplexi. Bracteols» cordato-orbiculatz, circa 3" longse, concurvze. 
Germina ob tenuitatem quasi pedicellos referentia, sub anthesi 
circiter 2" longa. Sepala glabra, obovata, statu sicco albida, fere 
3" longa, labellum triente excedentia. Labelli lobi lateralés rhom- 
bei, purpurei, cireiter 2" longi; lobus medius e gibbere semiovato 
3" lato constans; unguis l" longus. Columna lineam paulo exce- 
dens. Pollinia 2 globoso-ovata, cohzrentia, cerea, 3-3" longa. — — 
Species dus nisi tres adsunt propinquz; videlicet Sarcochilus 
usnoides (G. Reichenb. in Walp. Annal. Bot. Syst. vi. 497 ; Chilo- 
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