10 FLORA OF TASMANIA. [ Orchidee. 
6. Sepala lateralia basi saccata. Folium be sw AS A 
B. Sepala lateralia libera. 
T. Sepala lateralia apicem versus unidentata. Zadelli lamella adnata, apice abrupte 
— EE E EE ee qoc 
8. Sepala lateralia apice integra. Zabelli lamina adnata, bicarinata, apice evanida . P. patens. 
2. GENOPLESIUM.—Sepala lateralia postico longiora. Labellum longius unguiculatum. Columna sepalo dorsali 
adnata. Staminodia bifida. Anthera rostrata. Aphylle, tuberibus apice vaginatis, scapo superne 1-bracteato. 
A. Labelli margo integra v. erosa, non fimbriata. 
9. Bractea a spica remota. Flores horizontales. Sepala lateralia basi saccata. Sta- 
minodia subeequaliter bifida —.. . . . . , . . |. sos +e s s P.brachystachyum. 
10. Bractea basin spice attingens. Flores horizontales. Sepala lateralia basi non ` 
saccata. Staminodia subeequaliter bifida i Y ovv v ÓN 
ll. Bractea a spica remota. Flores curvi, perianthio deflexo. Sepala lateralia basi 
non aut vix saccata. Staminodia subulata, falcato-incurva . baw . P. despectans. 
B. Labelli margo fimbriata. 
12. Flores horizontales, pauci. Sepala lateralia basi non saccata. Labelli lamina 
adnata, simplex. Staminodia biloba, lobo inferiore A Po rokeri. 
13. Flores numerosi, ascendentes v. suberecti. Sepala lateralia basi saccata. Labelli 
lamelle adnate 2, parallele. Staminodia biloba, lobo inferiore vix fimbriato . P. nudum. 
A. EUPRASOPHYLLUM.—Sepals and petals nearly equal. Labellum with a short claw. Anther sessile, blunt. 
$ 1. Lateral sepals united throughout their length, or nearly so. 
l. Prasophyllum australe (Br. Prodr. 318); folio scapum robustum squante, spica multiflora 
elongata, bracteas acutas ovario gracili cylindraceo 4 breviores, floribus fuscis, sepalis lateralibus connatis, 
labelli apice attenuati margine undulato, lamella adnata distincta marginibus membranaceis, staminodiis 
lineari-elongatis membranaceis antheram superantibus.—Lind/. Gen. et Sp. Orchid. 514. 4n P. elatum, 
Br.? (Gunn, 921.) 
Has. Abundant at Circular Head and Rocky Cape, in poor soil, Gunn.—(Fl. Nov.) 
Distrrs. New South Wales, Victoria, and Swan River. 
A tall, stout, dark reddish-brown or purplish species, 1-2 feet high, with a leaf as long as the scape, a spike 
of many, crowded, dark-coloured flowers, large for the genus, slender ovaries, lateral sepals cuneate (rarely free), and 
very long, narrow, white, membranous staminodia. I have seen no authentic specimen of this, but 1 have of 
Brown's P. elatum, the staminodia of which precisely accord with those of our plant. 
2. Prasophyllum lutescens (Lindl. Gen. et Sp. Orchid. 514) ; folio caulem subrobustum eeguante, 
bracteis acuminatis ovariis gracilibus pedicellatis brevioribus, sepalis acuminatis lateralibus cuneatis, petalis 
acuminatis undulatis, labelli basi saccati medio recurvi apice attenuati marginibus undulatis, lamella adnata 
distincta, staminodiis lineari-oblongis falcatis recurvis. (Tas. CX. 2.) 
Dec.) 
Disrris. New South Wales and Victoria. 
A rather stout, yellowish-green species, 10-18 inches high, with a leaf as long as the scape.—Flowers rather 
numerous. Sepals and petals acuminate, somewhat undulated ; lateral sepals united. Zip undulate, with a saccate 
base, and large lamella with free margins. Staminodia linear-oblong, recurved.—PLATE CX. B. Fig. 1, flower; 
2, labellum; 3, back, and 4, front view of column ; 5, pollen :—a// magnified. 
