— 284 — 
107. Neurachne R. Br. 
368. N. Clementii Dom. in Journ. Linn. Soc. XLI. 273 tab. 10 fig. 1— G (1912). 
Perennis; culmi basi duri, dense villosi, plurinodi, circa 3 dm vel ultra alti, graciles, glaberrimi 
sed nodis barbati; /b/m baud mimerosa, distantia, laminis planis, mollibus, sul)patentibus, acuminatis, usque 
4 mm latis, subglaucis, glabris vel iis foliorum infimorum pilis perpaucis e tuberculis enatis inspersis, 
usque plus 10 cm longis sed iis foliorum supremorum multo brevioribus instructa; vaginae glabrae vel 
raro pilis perpaucis tuberculis insidentibus munitae ad oram ciliatae , nunc culmum arete araplectentes, 
nunc subpatentes; ligidae breves, in cilias dissolutae ; paniculae oblongo-cylindricae, baud interruptae, sub- 
densae, erectae vel paulo subnutantes , argenteo-nitidulae , circa 3.5 — 3.75 cm longae ; paniculae rhachis 
glabra; spictdae bresissinie pedicellatae , basi longiuscule patentim barbatae, pilis usque 2.5 mm longis; 
pedicelU apex parum excavatus articulatus; ghma printa e basi dilatata amplectens, anguste lanceolata, 
longe tenuiter acuminata (fere aristulata) 11—12 mm longa, plerumque nervis 7 prominentibus striata, 
extus et intus glaberrima sed margine setis longis , sparsis , e tuberculis enatis munita , viridis sed parte 
basali amplectente in utroque latere scariosa et demum a parte media viridi rumpens; gluma secunda fere 
aequilonga vel parum longior sed altius amplectens, utroque latere pilis longissimis, densis, patentibus 
ciliata; gluma tertia 5-nervis, lanceolata, subacuta, glabra, circa 7 mm longa; gluma quarta (glumella) aequi- 
longa, scariosa, bicarinata; palea subbrevior, laevis; sfigwafa elongata plumosa; can/opsis subcompressa, 
orbiculato-obovata, laevis, circa 1.75 mm longa. 
Nordwest-Australien: zwiscben Asbburton- und Yule River (Dr. E. Clement). 
Species inter congeneras distinctissima, generis Neurachne in Australia endemici (juinta, cum nulla 
alia arete affinis, iam babitu et paniculae forma insignis. 
369. N. xerophila n. sp. 
Perennis, en/mi e basi nodosa, lanata numerosi, ramosissimi, stricti; erecti, gracillimi, ad medium 
vel superius foliati, inferne plus minusve pubescentes, supra glaberrimi; folia patentia, vix rigida; vaginae 
arete amplectentes, glaberrimae vel pilis e tuberculis enatis parce ciliatae; laminae breves, circa 1.5 — 4 cm 
longae, inferiores pro more totae involutae, superiores latiores saepe planae et tantum marginibus involutae, 
circa 2 mm latae, strictae, glabrae; ligula in cilias dissoluta; spica angustissime cylindrica, circa 3 cm 
longa, sed baud raro ad spiculas baud numerosas redacta; rbacbis minute pubescens; spiculae erectae, 
parvae, late ovatae, circa 4 mm vel paulo plus longae, pilorum fasciculo cinctae ; gluma I. circa 3.75 mm 
longa, ovato-lanceolata , plurinervis, sed nervis 2 costiformibus plus prominulis, apice obtusa et nervis 
circa 3 subegredientibus denticulata, dorso medio supra areolam angustam, cavam, scariosatn transverse 
callosa, callo setis longis i)atentibus ciliato, caeterum glabra vel hie inde (parce) tuberculata, rigidiuscula 
nec membranacea; gluma II. maxima, circa 4 — 4.25 mm longa, rigida, infra medium lata, valde convexa, 
nervosa et sat dense caUis tuberculiformibus majusculis, dorso ipso nudis, marginibus setis longis patentibus 
munitis instructa, supra medium angustata et plurinervis, glabra, marginibus duris et rigidis inflexa, basi 
amplectens; gluma III. quam antecedens brevior circa 3 — 3.25 mm longa, nervis circa 3 prominulis per- 
cursa, glabra; gluma W. (glumella) circa 3.25 mm longa, ovato-elliptica, apice acuminato-apiculata, omnino 
laevis (nervis 5 vix conspicuis percursa); palea cum glumella aequilonga; c(?>7/ops/s obovato-oblonga, obtusa, 
circa 1.50 — 1.65 mm longa et 1 mm lata. 
Queensland: Dividing Range bei Jericho, auf Sandboden (Domin, III. 1910). 
Species iV. Mitchellianac affinis, sed haec ditfert statura robustiore, foliis planis multo latioribus 
(cf. quoque iconem in Hook. Icon. pl. XIII. t. 1240, 1877), spica densiore et latiore, spicubs multo majoribus, 
gluma I. fere membranacea et late fenestrata, gluma II. etuberculata sed dorso pubescente et marginibus 
longe moUiter ciliata (nec setosa), minus rigida etc. 
108. Perotis Ait. 
370. P. rara R. Br. 
R. Br. Prodr. 17 (1810), F. v. Muell. Fragin. VIII. 115 (1873), First Census 131 (1882), Sec. Census 220 (1889), in 
Landsbor. Explor. Austr, 122, Benth. Fl. Austr. VII. 509 (1878), F. M. Bail. Syn. Queensl. Fl. 635 (1883), Catal. PhuUs 
