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Fragmenta phytographiæ Australiæ /contulit Ferdinandus Mueller.

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230<br />

Iconem hujus planta? bonam in D. Dietrichii Flora universali<br />

1862 t. 14 reperies. Pictor autem omnia stamina dedit fertilia,<br />

quintum (quantum video) nimis abbreviatum.<br />

Ptilotus pyramidatus (Trichinium pyramidatum, Moq. in Cand.<br />

Prodr. xiii. div. ii. 288) mihi adest solum e collectione Drummondi<br />

sub 221 et 99. Folia suprema saepe ovata et perbrevi-petiolata.<br />

Spicas passim binatse. Stamina in•quilonga ; unum alterumve<br />

sterile. Stylus glaber, circiter lineam metiens. Villi minutissime<br />

denticulati ; articuli eorum plerique suo diámetro aliquoties<br />

longiores.<br />

Ptilotus rotundifolius (Trichinium rotundifolium, F. M. Fragm.<br />

iii. 122) qui omnium congenerum pulcherrimus, sépala gerit 6-8'"<br />

longa, extus vil lis longiuscule articulaos vix denticulatis onusta et<br />

stamina paulo ultra medium sepalorum extensa.<br />

Ptilotus Manglesii (Trichinium Manglesii, Lindl. Bot. Regist.<br />

1839,28; T. spectabile, Field. Sert. Plant, t. 53; T. macroce-<br />

phaluin, Nées in Lehm. PI. Preiss. i. 627 non R. Br.) occurrit in<br />

collectione Drummondi sub 435. Plantam hancce am•nam legit ad<br />

sinum Roebuck-Bay et flumen Glenelg-River Dr. Martin, ad ilumina<br />

Murchison- et Blackwood-Ri ver, Uldfield. Ego plantam ad fluvium<br />

Kaigan vidi. Stirps 1 ^"• 1 ¿ ' alta. Latitudo foliorum varia.<br />

Capitulum ssepe folio suífultum. Sépala apicem versus longo<br />

tractu nuda, basi in tubum tenuem coalita. Villi sepalorem ad<br />

nodos paulo remotos denticulati. Stamina ¡n•quilonga, omnia<br />

dimidio calyce breviora, unum s•pe anthera diminuta cassa pree-<br />

ditum. Stylus circiter 2"' longus, glaber.<br />

Ptilotus sericostacht/us (Trichinium sericostachyum, Nées in<br />

Lehm. Plant. Preiss. i. 627 ; T. floribundum, Moq. iu Cand. Prodr.<br />

xiii. div. ii. 283 ; T. roseum, Moq. 1. c.) flores potius capitatos<br />

quam spicatos gignit. Nomen specificum quidem retineo quia<br />

ceteris antiquius, etsi minime aptum; illud igitur Trichinii flori-<br />

bundi queas substituere. Species sequenti eximie cognata est.<br />

Ptilotus polystachyus (Trichinium polystachyum, Gaudich. Voy.<br />

de l'Uran. et Phys. Bot. 445 ; Moq. in Cand. Prodr. xiii. div. ii.<br />

p. 283) vix noinen specificum meret, quum flores saepe in capitula<br />

sphaerica congestos invenies. Sépala non flavescentia, sed rube-<br />

scentia. Folia inferiora interdum in petiolos longos angustata,<br />

nunc glabrescentia, nunc quoque •tate lanuginosa, caulina interdum<br />

tantum paucilinearia. Bracteae et bracteolas nonnunquam dorso<br />

coccínea?. Sépala 3 interiora intus basim versus lanoso-barbata.<br />

Villi crebre articulati et minute denticulati. Stamina duo vidi<br />

fertilia, stylum aequantia. Stylus vix 2" longus, setaceus. Occurrit<br />

haec species ad Roebuck-Bay sec. Dr. Martin, ad Peron's Peninsula<br />

sec. Maitl. Brown, ad Champion-Bay sec. Walcott. Eadem fbrsan<br />

species foliis caulinis rhombeo- v. orbiculari-ovatis crescit inter<br />

promontoria Cape Le Grand et Cape Paisley.

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