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Fragmenta phytographiæ Australiæ /contulit Ferdinandus Mueller.

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229<br />

quod minutie capitulorum et brevitie villorum satis insigne, arcta<br />

affinitate cum T. obovato connectitur. Hoc ad rivos Darling's<br />

River, Bogan, Warrego, Maranoa et Flinders'-River provenit.<br />

Ptitotus Drummondi (Trichinium Drummondi, Moq. in Cand.<br />

Prodr. xiii. div. ii. 292; T. fusiforme, Nees in Lehm. PI. Preiss. i.<br />

626 non R. Br.) caules producit sajpe stride erectos. Villorum<br />

nodi remotiusculi, edentuli. Stamina longiora vix calycem semi-<br />

•quantia. Stylus setaceus, lineam longus, glaber v. infra medium<br />

appresso-pubescens. Semina matura ignota, omnium specierum<br />

adhuc compaianda. A litore Great Bight in viciniarn promoutorii<br />

Cape Leewin et fluvio Murchisoni tenus dispersus est.<br />

Ptilotus divaricatus (Trichinium divaricatum, Gaudich. Bot.<br />

Voy. d'Uran. et Phys. 445) me obtentus est a ilumine Murchisonii<br />

et sinu Shark-Bay, ubi plagas arenoso-calcarias sequitur. Fruti-<br />

culus 1-2', diffusus. Sépala 3 interiora intus a basi fere medio<br />

tenus dense lanuginosa. Villi secus dorsum sepalorum remotius-<br />

cule nodulosi, vix subtiliter denticulati. Stamina fertilia s•pe<br />

tria, ad medium calycis attinentia. Filament a glabra, sed lanugine<br />

calycis involuta, non dilatata. Antherae dorsifix•, ¿"' longa?. Stylus<br />

setaceus, glaber, pasne 2'" longus.<br />

Ptilotus humilis (Trichinium humile, Nées in Lehm. PI. Preiss.<br />

i. 628 ; T. nanum, F. M. Fragm. iii. 161) in planitiebus collibusque<br />

basalticis prope montes Stirling's Range me nuper repertus est.<br />

Gomphrena? potius quam Trichina habitum gerit. Articuli vil-<br />

lorum perbreves. Antherae perminutae, ratione suas longitudinis<br />

latiores quam eae plerarumque specierum. Sépala, etsi basi villis<br />

penicillariter circumvallata sint, apicem versus longe scariosa et<br />

glaberrima reperiuntur. Drumm. 421.<br />

Ptilotus holosericeus (Trichinium holosericeum, Moq. in Cand.<br />

Prodr. xiii. div. ii. 287) inter plantas Drummondi sub 232 militât.<br />

Capitula iuterdum fere globosa. Villi sepalorum tenerrimi, remote<br />

nodulosi, haud distincte denticulati. Staminurn tria antherifera.<br />

Antheice ellipsoideae. Stylus vix lineam longus, glaber.<br />

Ptilotus parvifolius (Trichinium parvifolium, F. M. Report on<br />

the Plants of Babbage's Exped. p. 19) villis sepalorum remotius-<br />

cule nodulosis non distincte denticulatis instructus est.<br />

Ptilotus erubescens (Schlechtend. Linn•a xx. 575 ; Trichinium<br />

erubescens, Moq. in Cand. Prodr. xiii. div. ii. 293 ; T. eriocnphalum,<br />

Moq. 1. c.) a sinu St. Vincenti usque ad montes Grampians repe-<br />

riendus est et, si plantam occidentalism mérito orientali-australi<br />

conjungo, ad Champion-Bay et Murchison-River extendit. Folia<br />

occurrunt abbreviate et late lanceolata Capitula s•pe semiovato-<br />

vel turbinato-globosa. Stamen quintum sterile, calycem fere<br />

aequans, ceteris longitudine variis conspicue longius, apicem vel<br />

medium versus tortum. Stylus sépala vix semi•quans. Villi se-<br />

palorum nitentes, haud prominenter denticulati ; articuli suo diá-<br />

metro multoties longiores. P. declinatus huic speciei proximus.

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