— 382 — 



planae vol saepius convolutae; vagina folii culmei supremi paniculae partem inferiorem fulcrans, lamina 

 saepe usque I dm longa paniculam superans; panicula subdensa, oblongo-cylindrica, pallida, circa 7 — 8 cm 

 longa, spiculis majoribus. 



Nord- Ans trauen: Victoria River (F. v. Mueller, XII. 1855). 



Spiculae circiter 9 — 9.5 mm longae; glumae subacuminatae, glabrae vel margine ciliatae, I. 5-nervis, 

 11. 7-nervis; aristae circa 5 mm longae. 



ß) f. plurinerve f. n. 



Habitu varietatis formae descriptae optime respondet, sed differt spiculis minoribus tantum circa 

 7 nun longis, gluraa II. 9 — 11-nervi, aristis vix 4 mm longis. 



West -Queensland: Gloncurry (Domin, IL 1910). — An varietas propria? 



g) var. purpurascens. 



F. purpurascens R. Br. Prodr. 185 (1810). 



Mediocriter altum, caespitosum, foliis planis sed convolutis intermixtis; panicula subdensa, lanceolato- 

 cylindrica; spiculae majores cum aristis usque 9 mm longae; nervis glumellarum saepius plus numerosis 

 et prominulis; aristae coloratae. 



Nord-Australien: Islands of the Gulf of Garpentaria (R. Brown, Her australiense 1802—05 

 No. 5250 P. purpurascens R. Br.!); folia cum vaginis glabrescentia (in descriptione [1. c] »foliis pubes- 

 centibus« scriptum legimus); culmi sub panicula minute pubescentes, glumae tantum subpubescentes. 



Offenbar kommen stärker und schwach behaarte Formen dieser Varietät vor. 



h) var. pubiculme v. n. 



Gracile usque plus 4 dm altum; culmi insuper longe nudi (nee foliati), sub panicula tractu longo 

 pilis patentibus longioribus pubescentes; folia angusta, convoluta vel partim plana, parum scabra, unacum 

 vaginis pubescenti-hirsuta; panicula cylindrica vel oblongo-cylindrica, subdensa; spiculae majores; glumae 

 pubescentes, valde obtusae; aristae purpurascentes. 



Nord-Queensland: bei Ghillagoe, auf Kalk (Domin, IL 1910). 



i) var. gracile. 



P. gracile R. Br. Prodr. 185 (1810). 



Densiuscule caespitosum; culmi graciles, humiliores, raro cum panicula usque 3 dm alti, glabri; 

 folia ereeta, glabra vel subglabra; panicula laxior, lanceolato-cylindrica; spiculae majores, glumae subpubes- 

 centes, leviter coloratae; aristae pallidae. 



Abbildung: Tafel XIV, Fig. 1. 



Queensland: Broad Sound (R. Brown, Iter australiense 1802 — 05 No. 6252 P. gracile R. Br.!) — 

 Charters Towers (Domin, IL 1910), mit schwach gefärbten Grannen. 



k) var. barbinode Dom. in Journ. Linn. Soc. XLI. 277 (1912). 



Fasciculato-caespitosum, multiculme; culmi gracillimi, humiliores, parte superiore nudi, geniculatim 

 ascendentes vel e basi decumbente erecti, minus quam 2 dm alti, sub panicula tractu breviore subpubes- 

 centes; folia brevia; laminae in pagina superiore plus minusve pubescentes vel glabrescentes ; vaginae 

 glabrae et vagina folii culmei supremi excepta mox subpatentes itaque nodis conspieuis; nodi patentim 

 barbato-villosi; paniculae breves, oblongae vel ovato-oblongae, 1 — 2 cm longae et 6—9 mm latae; spiculae 

 parvae, cum aristis 4.25— 4.50 mm longae; glumae inaequales, pallidae, subhirsutae; glumellae parvae, glumis 

 tantum circa tertia parte longiores; aristarum pili saepius subcolorati. 



Nordwest- Australien: zwischen Ashburton und de Gray Rivers (E. Clement). Varietas nota- 

 bilis, arenosorum incola. 



Species mihi ignotae: 



1. P. virens Lindl. in Mitch. Tropic. Austr. 360 (1848). 



