FLORA OF WESTERN AND NORTH-WESTERN AUSTRALIA. 271 
a P. decomposito diversa sed specimina fragmentosa estimationem certam 
haud permittunt. 
P. psilopodium a varietate nostra gluma prima acuta, gluma secunda 
11-nervi facile dignoscitur. 
PANICUM AUSTRALIENSE, Domin, sp. n. (Plate 10. fig. 10; Plate 11. 
five, 3-12.) 
Annuum ; culmi e radice fibrosa numerosissimi fasciculato-ceespitosi, 
medii suberecti, eceteri e basi plus minusve decumbente geniculatim ascen- 
dentes valde ramosi parte superiore fastigiati toti foliati glabri leves vel 
parte superiore interdum seaberuli humiles usque 1 dm. alti sed мере 
humiliores, Folia laminis planis longe angustatis et acuminatis subpatentibus 
cireiter 4-6 em. longis et 2-21 mm. latis seaberulis pro more glabris rarius 
presertim ad basin uti vaginis infimis mediisque sat dense setis albidis 
patentibus e tubereulis enatis inspersis instructa ; ligule in eilias mediocriter 
longas dissolute ; folia culmea suprema approximata paniculam manifeste 
superantia. — Panieulie numerose. sed breves circa 21-3 em. long ramos 
paucos (2-3) breves paucispiculatos simplices erectos vel demum subpatentes 
gerentes parte superiore simplices vel subsimplices ; rhachis ramique glabri 
scaberuli, Spicule pro specie sat magne longiuscule pedicellatze circa 4 mm. 
long: late ovato-oblonge pallida: glabrze ; gluma prima е basi amplectente 
late ovata acuta 5-nervis, nervo medio acute prominulo, tertia parte usque 
duplo gluma tertia brevior; gluma secunda et tertia consimiles :equilongze 
34-32 mm. longze ovate concave tenues uti gluma prima glaberrimie leves 
pallidee 5-nerves (nervis viridibus), gluma quarta (glumella) multo. (circa 
duplo) brevior circiter 18 mm. longa valde concava nitens enervosa, palea 
paulo brevior. Caryopsis ovato-oblonga levis obtusiuscula glumella et. palea 
subbrevior. 
N.W. Australia : inter fl. Ashburton et Yule, collegit Dr. E. Clement. 
P. australiense est species inter congeneras distinetissima, nulli arcte 
affinis ; verosimiliter seriei VI. Paniculate (Bentham, vii. 466) inserenda et 
prope P. adspersum, Trin. collocanda erit. Habitu singulari primo aspectu 
facile distinguitur, praeterea spieularum structura peculiaris est. 
PANICUM INTERCEDENS, Domin, sp. п. (Series ПІ. Paspaloidee, Bentham, 
vii. 464.) 
Habitu Р. distuchyo, L. simillimum eique affine. Culmi graciles fere a 
basi ramosi glaberrimi lævesque cum panicula circa 3 dm. et ultra alti ssepe 
usque ad apicem foliati paucinodi. Folia distantia : lamine suberecte 
plane lanceolate acute basi subcordate margine tenuiter cartilagineo albido 
undulatzee breviores, i. e. 44-6 cm. Іопо et basi, qua latissime patent, 
5-61 mm. late glabrz vel pilis e tubereulis enatis insperge ; vagine leves 
glabree margine longiuseule ciliate ; ligule in cilias dissolute. Panicule e 
ramis paucis (ramo terminali annumerato pro more tribus) simplicibus valde 
