ORCHIDACE X. 389 
ralibus pendulis semiconnatis, labello lineari oblongo quadridentato 
basi glanduloso, appendice brevissima obtusà indivisà, column alis 
barbatis. 
Hab. in Nova Hollandia; ad Portum Jackson, R. Brcwn, Sieber no. 160; 
in Tasmannià inter lapides rupesque quartzosas, in solo sterili, florens 
Octobri, Gunn 345. (hab. s. sp.) 
Labellum valde irritabile, Gunn. 
10. PrknosTvLis vittata. Lindl, Swan Riv. no. 252. 
P. foliis radicalibus nullis caulinis ovato-lanceolatis, labello bifido fimbriato 
appendice indivisà, columnz alis deorsum acuminatis barbatis. 
Hab. in N. Hollandia occidentali ; ad Swan River, Drummond ; ad sinum 
R. Georgii, Collie. (hab. s. sp.) 
Precedenti similis, sed folia multd latiora, nec, ut videtur, subtüs glauca. 
1l. PrERosTvLIs parviflora, R. Br. Prodr. 327. 
P. * caule 2-5 floro, labio inferiore breviore, appendice apice trifurcd.” 
Hab. in N. Hollandia, prope Portum Jackson, R. Brown. 
$3. Caule folioso, unifloro ; foliis radicalibus stellatis, vel sali&m a caulinis 
vald? diversis. 
12, PrEnRosTvLIS obtusa. R. Brown, Prodr. 327. 
P. foliis radicalibus stellatis ovalibus petiolatis, caulinis lineari-oblongis 
sessilibus acutis acuminatisque, sepalis lateralibus erectis filiformi-acu- 
minatis dorsali longioribus, labelli laminà lanceolatà obtusa, appendice 
penicillatà, columne alis glabris. 
Hab. in N. Hollandia; ad Portum Jackson, R. Br. in Tasmannia, Gunn, 
357. (hab. s. sp.) x 
Caulis gracilis, palmaris ad pedalem, floridus basi aphyllus. 
'The Tasmannian plant has the leaves more taper pointed than in speci- 
mens from Port Jackson given me by Dr. R. Brown. The acumen of the 
dorsal sepal is variable in length. 
13. Brerosryurs revoluta. R. Brown, Prodr. 327. 
labelli laminà apice sensim angustatá acutà, appendice 
P. ** caule unifloro, 
ralium margine interiori medio dilatato cre- 
penicillatà, foliolorum late 
nato inciso." 
Hab, in Nova Hollandia ; ad Portum Jackson, R. Brown. 
14. Prerostyuis scabrida. 
P. foliis in caulem ascendentibus infimis tantüm 
oblongis acutis, bracteà foliaceà cucullatà, se 
centibus basi scabridis lateralium acumine ipsis breviore, labelli lamina 
lineari-lanceolatà obtusà, appendice apice fimbriata. 
Hab. in Tasmannid, ad ripas fluminis nigri, solo udo arenoso humo inter- 
mixto, locis dense obumbratis, Nov. et Dec. florens, Gunn. 906. (hab. 
s. sp. comm. cel. inventor.) 
This and the two next species are 
breadth in height, and are readily recognize 
supported by a large cucullate bract. 
February, 1840. EEE 
stellato patentibus ovato- 
palis minutissime pubes- 
less, or little more, than a hand's 
d by their solitary erect flower 
