43 
latum barbatum et appendiculatum, apice obcordato-incrassatum. 
Columna arcuata infra medium linearis, supra medium utrinque 
alata; ale inferne dilatatz, medio perangustz, apice appendiculam 
duplieem formantes.  Anthera appendiculis columns» suffulta 
terminalis persistens, loculis approximatis. Stigma infra an- 
theram situm rotundum concavum. . 
Herba terrestris Australie subtropies orientalis aphylla tube- 
rosa, scapo erecto squamis distantibus bracteato plurifloro. 
Genus characterum Leptoceratis, Drakez, Spiculz:ze et Caleyanze 
magis minusve particeps. 
Arthrochilus irritabilis. 
In collibus nemorosis ad Moreton Bay. Hill & Mueller. 
Herba paucipolliearis usque pedalis. ^ Caudex descendens 
parce fibrilliger tubere solitario ovato terminatus. Caulis flex- 
uosus gracilis simul cum squamis racemoque glaber, supra 
medium nudus. "Vagine im: pubescentes. Squams subovate 
acuminate  cucullate, infim:  paues& breviores approximatze, 
superiores 3-6 lineas longz distantes. ^ Racemus  pauci-v. 
pluri-polliearis laxus.  Bracteol:w ovato-lanceolatz  pedicellos lon- 
gitudine squantes. Pedicelli demum 2 lineas longi. Sepala 2 
exteriora supera lanceolato-faleata adscendentia 2-3 lineas longa 
viridia, infimum canaliculatum curvatum virens oblongo-lineare 
4 lin. longum, omnia interdum plus minusve rubella. Sepala duo 
interiora linearia areuata adscendentia dilute viridia, supremorum 
extimis zquilonga. Columna arcuata primo adscendens, mox 
deflexa sepalo infimo psene sequilonga, linearis, dorso apicem versus 
. viridis, dentibus 2 lineari-subulatis lineam longis albidis rubieun- 
disve terminata, supra medium utrinque laciniam deltoideam , 
unecinato-acuminatam 11 lin. longam gerens quibuscum albida et 
rubello-punetulata.  Labellum mobile nune erectum, nune ad 
columnam deflexum, cum producta columns basi articulatum, 
supra medium geniculatum, lineare viride, ad basin dilatatam atro- 
psniemun, ad geniculum postice appendicula lanceolata lineam 
' longa viridi preditum; articulus superior linearis viridis lineam 
vix excedens apice obcordatus. Geniculum rubro-barbatum.  . 
SMILACINEX. 
Ripogonum album. 
R. Br. prodr. I. p. 293. 
Glabrum, foliis oppositis v. ternatis v. floralibus alternis ovatis 
v. lanceolato-ovatis in basin paulo angustatis apice breviter acu- 
minatis, nervis foliorum lateralibus prope basin folii ortis, racemis 
simplicibus, floribus parvis brevissime pedicellatis, sepalis ovatis 
obtusis antheras fere uncinato-acuminatas vix superantibus, stylo 
brevissimo germineque glabris, stigmate obtuso. | 
