118 L. Diels u. E. Pritzel. 
perianthio majusculo; sepalo dorsali quam petala lateralia longe unguiculata 
elliptica lutea purpureo-nervosa breviore; sepalis lateralibus labellum 
superantibus acutiusculis; labelli tripartiti breviter bicarinati lobo me- 
diano unguiculato amplo rhombeo apice rotundato quam lobi laterales 
parvi ambitu semiovati latere exteriore inciso-pinnatifidi multo 
longiore. 
Specimina nostra 415—920 cm alt.; folia 6—8 cm X 4,5(basij—0,5 mm lat.; bracteae 
3—3,5 mm long.; sepalum dorsale 40 X A mm; petala lateralia (cum ungue 4—3 mm 
long.) circ. 45 mm long., 8 cm lat.; sepala lateralia 48 X 4,5—2 mm; labelli lobus me- 
dianus circ. 46 X 441—192 mm, lobi laterales 5 mm long. 
Hab. in distr. Darling prope Canning Riv. juxta Cannington flor. m. 
Oct. 4900 (Arex. Punpig in hb. Berl.!). 
Diximus in honorem amicissimi Ars, Purne, M. A., educationis technicae in re- 
publica Westaustraliensi praefecti, botanici cum Orchidaceis australiensibus per multos 
annos familiaris. 
Diuris longifolia R. Br. (B. VI. 330). 
Septentrionem versus ad sinum Champion Bay progreditur, ubi floret 
m. Jun. (D. 3242). 
Prasophyllum R. Br. (B. VI. 335). 
System: Die Anheftung des Labellums, welche die bisher gültige An- 
ordnung der Arten beherrscht, ist in manchen Fällen schwierig mit Sicher- 
heit zu bestimmen. 
Prasophyllum hians Hchb. (B. VI. 339). 
Sepalis viridescentibus violaceo-suffusis, petalis albis, labelli lamina vi- 
ridi, columna violacea. Species nostra ad flum. Moore River procedit 
(D. £0541). 
Prasophyllum cyphochilum Benth. (D. VI. 340). 
Perianthio ochroleuco petalis sepaloque dorsali extus purpureo-striatis 
insignis. 
Prasophyllum ovale Lindl. (B. VI. 341). 
Perianthii colore P. hians imitatur. 
Prasophyllum macrostachyum R. Br. (B. Vi. 341). 
Quae species parvula inconspicua a cl R. Baoww nomine vix idoneo 
signata perianthii viridis segmentis purpureo - marginatis recognoscitur; 
habitu cum Malaxide nostra comparari licet. — P. macrostachyum a freto 
King George Sound ad Moore River in subhumosis humidis arenosis haud 
infrequens observatur. 
Prasophyllum parvifolium Lindl. (B. VI. 342). 
Inter ilum. Swan Riv. et fretum King George Sound in glareosis sub- 
lutosis pervulgata videtur. . . 
-: Prasephyllum cucullatum Rchb. (B. VI. 343). - 
;,, Flores albi; sepalum dorsaje purpureum, petalorum lateralium :costa 
