Fragmenta Phytographise Australiae occidentalis. 91 
pr. Geraldton in arenosis flor. m. Oct. (D. 6009); in distr. Avon pr. Mogumber 
in glareoso-lutosis (D. 4016), pr. New Norcia in lutosis (D. 3084) pr. Youndegin 
(Miss Eaton in hb. Melbourn!) pr. Tammin in arenosis aridis fruticulosis 
for. m. Oct. (D. 5092); in distr. Stirling pr. Warrungup in silvis Fuca- 
lypti occidentalis apertis lutoso-arenosis flor. m. Oct. (D. 4653). 
` Lepidobolus Nees (B. VII. 244). 
Lepidobolus Preissianus Nees (B. VII. 245). 
Species a nobis in regionibus prius cognitis in arenosis aridis haud rara 
Observata, e. g. in distr. Avon pr. Mogumber, distr. Irwin pr. Mingenew 
et Greenough-River. Praeterea autem orientem versus longe extendit; 
vidimus in distr. Eyre pr. West River in arenosis fl. m. Oct. (D. 6098; 
atque in distr. Coolgardie pr. Boorabbin (E. Parrzgr Pl. Austr. oce. 910) 
»Vietoria Desert inter castra 56 et 57« leg. Herms ex F. v. MULLER et Tare 
Trans. R. Soc. of South Austr. XVI, 379 (an L. deserti?). 
Lepidobolus chaetocephalus F. v. M. (B. VII. 245). 
Simili modo quo prior orientem versus in interiora progreditur, Ipsi 
eam collegimus in distr. Avon orientali pr. Tammin in arenosis aridis 
fruticulosis fl. m. Oct. (D. 5086) atque in distr. Eyre pr. Gibsons Soak in 
arenosis (D. 5439). Jam prius »inter Esperance Bay et Frasers Range« 
collecta erat a cl. DEMPSTER. 
Lepidobolus deserti Gilg n. sp. 
Culmis (20 —40 cm alt.) numerosissimis conferte-caespitosis basi coma 
albida lanuginosa 10—20 mm longa densissime vestitis erectis vel ple- 
Tümque irregulariter flexuoso-curvatis, vaginis castaneis apice longe acutis- 
Simeque mucronatis deciduis apertis inferne subapproximatis superne 
distantibus; Spiculis in apice culmorum 2—4 distantibus bractea ampla 
aperta obtectis, 
Hab. in distr. Coolgardie pr. Coolgardie in collibus arenosis, haud 
raro sub Triodiae caespitibus paene occulta, flor. m. Oct. (D. 5219). 
Chaetanthus R. Br. (B. VII. 245). 
Chaetanthus leptocarpoides R. Br. (B. VII. 246). 
Descriptioni addendum: spieulis CH in apice culmorum pluribus tenuiter 
Pedicellatis pendulis; bracteis fusco-nitentibus e basi ovata acuminatis dorso 
carinatis; tepalis fuscis 3 exterioribus complicatis e basi attenuata late- 
obovatis vel suborbicularibus, 3 interioribus anguste oblanceolatis, omnibus 
ciliatis; antheris filamenta libera subaequantibus late ellipticis dorso mediano 
fusco ornatis unilocularibus. 
Bractese 3,5 mm long.; tepala 4,5 mm long.; antherae 1—1,35 mm long. 
Species Septentrionem versus distr. Darling ingreditur. Crescit pr. Ser- 
pentine-River ad silvarum margines in arenoso-argillaceis flor. m. Decemb. 
(G' D. 4869, © p, 1855; E. Parrzgt Pl. Austr. occ. 138). 
