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Fragmenta phytographiæ Australiæ /contulit Ferdinandus Mueller.

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228<br />

Cassilis (Leichhardt), ad Warrego (Dalton et Looker), ad flumina<br />

Bogan et Suttor's River (Woolls, Thozet), Darling's Downs (Lau),<br />

Mount Murchison (Bonney), Gawler-Ranges (R. Sullivan), Mount<br />

Searl (Warburton), Short's Range (J. M. Stuart), Nichol-Bay<br />

(Walcott), Salt-River (Maxw.), Murchison-River (Oldf.), Gilbert-<br />

et Victoria-River (F. M.). Species maxime variabilis, interdum<br />

jam statu bipollicari florens. Spica interdum 7" longa. Aucto-<br />

rilate Moquinii hue T. macrocephalum pertinet. Nihilominus<br />

nomen specificum rejicio, quum flores spicati, vix vero sensu<br />

capitati sint. Vidi prolincationem spica? foliiferam. Villorum ar-<br />

ticuli remotiusculi. Stamina 3-4 fertilia. T. dissitiflorum et T.<br />

Beckevianum huic speciei multiformi vakle cognata.<br />

Plilotus spatulatus (Foir. Encycl. Method. Suppl. iv. 620 ;<br />

Trichinium spatulatum, Br. Pr. 415 ; J. Hook. Flor. Tasm. i. 310,<br />

t. xciv. ; T. mucronatum, Nees in Lehm. PI. Preiss. i. 628) ab<br />

Australia occidental! in Australians f'elicem vergit.<br />

Ptilotus gracilis (Poir. Encycl. Méth, Suppl. iv. 620 ; Trichi-<br />

nium gracile, R. Br. Pr. 415) ex Australia centrali allatus est a<br />

J. M. Stuart, e viciuia fluminis Victoria? me ipso. Caulis satis<br />

rarnosus. Rachis lauata, sub fructificatione pollicem longa. Brac-<br />

tese et bracteolaa uninerves. Villi sepalorum laevigata nec ut in<br />

plerisque speciebus serrulati ; articuli satis elongati.<br />

Ptilotus distans (Poir. Encycl. Méth. Suppl. iv. 620 ; Trichinium<br />

distan», Br. Pr. 4i5) ab Arnhemia. ad flumen Burdekin's River et<br />

sinum Rockingham's Bay vergit. Planta perennis, sed non frutes-<br />

cens. Spicae semipedales vel breviores. Villi ut ii P. gracilis fere<br />

laeves, articulis sat longis constant.<br />

Ptilotus pachocephalhs (Trichinium pachocephalum, Moq. in<br />

Cand. Prodr. xiii. div. ii. 294) crescit in planitiebus basalticis a<br />

Mount Gambier usque ad originem fluminis Burdekin's River.<br />

Hue etiam forsan trahetur T. angustifolium, Moq. 1. c. et T. fusi-<br />

forme Lindl. in opere Mitchelli. Stamina fertilia SEepe 4. Planta<br />

ante florescentiam quasi Podolepidem refert. Variât foliis lanceo-<br />

latis.<br />

Ptilotus incanus (Poir. Encycl. Method. Suppl. iv. 620 ;<br />

Trichinium incanum, Br. Pr. 415) ad Nichol's Bay et Sturt's<br />

Creeks nascitur, tarn in phigis arenosis, quam in rupibus graniticis.<br />

Ptilotus obovatut (Trichinium obovatum, Gaudtch. Bol. Voy.<br />

de rUranie 445, t. 49; T. atriplicifolium, A. Cunn. in Can. Prodr.<br />

xiii. div. ii. 286; F. M. Plants of Vict. tab. lxxviii. ; T. variable,<br />

F. M. in Linncea xxv. 436) antecedenti proxime affinis est. A<br />

fluminibus Murray- et Darling-River et Murrumbidgee usque ad<br />

fluvium Murchison's River et sinum Shark-Bay et oram boreali-<br />

occidentalem (A. Cunn.) extendit. Drurnm. 233. Bracteol• caly-<br />

cem s•pe semiasquant. T. gnaphaloides igitur fortasse huic<br />

ßpeciei jungendum. Species vero e diagnosibus et descriptionibus<br />

prodromi Candolleani dirhcillime recognoscuntur. T. lanatum,

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