Fragmenta phytographiæ Australiæ /contulit Ferdinandus Mueller.
Fragmenta phytographiæ Australiæ /contulit Ferdinandus Mueller.
Fragmenta phytographiæ Australiæ /contulit Ferdinandus Mueller.
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234<br />
noides, P. asrvoides, P. macrotrichus, P. latifolius, P. caespitulosus,<br />
P. grandiflorus, P. humilis, P. pyramidatus.<br />
Sépala in plerisque speciebus vario gradu inaequalia evadunt.<br />
Fructus sessilis saepe rotuudate occurrit, dum fructus stipitatus<br />
utplurimum in formam obovatam rarius clavatam vergit. Inter<br />
stylum longissimum aliarum et brevissimum aliarum permultae<br />
species transitum paraut. Pericarpium in aliis nigrum, in aliis<br />
fuscum reperimus, in pluribus vértice villosulum, in pluribus gla-<br />
berrimum. Semen in quibusdam renato-ovatum, in aliis lenticulare.<br />
Embryo, ubi notus, formam cyclicam exhibet, radicula adscendente,<br />
hilum attinente.<br />
Goniotriche, Turcz. in Regensb. Fl. 1853 ad Ptiloti sectionem<br />
Trichinium referenda est. Eas species JErvse, qua? staminodiis<br />
proceris et stigmatibus duobus disjunctis prasditae sunt, facile<br />
quidem a Ptilotis et Trichiniis separamus ; alias autem difficillime<br />
segregantur. Psilotrichum foliis oppositis praecipue divellitur.<br />
Fructus aut aequilateralis aut valde obliquus characteres generum<br />
baud sufficienter adjuvat. Doctissimus Moquin-Tandon in pródromo<br />
Candolleano Amarantaceas, quae sequuntur, Australianas enumer-<br />
abat : Alternanthera Baueri, Telanthera longipes, Iresine Brownii<br />
(Philoxerus diffusus Br.), Iresine Cunninghami, Iresine maero-<br />
cephala, Iresine cónica (Philoxerus conicus Br.), Iresine tenella,<br />
Celosia arborescens ^Lestibudesia arborescens Br.)•Gomphrena<br />
Maitlandi et G. firma propter staminodiorum absentiam ad Iresinen<br />
pertinent, sed habitu aliisque notis eas potius inter Gomphrenas<br />
retinebis.<br />
Hemichroa pentandra a terra Gipps-Land usque ad sinum<br />
Spencer's Gulf in sublimosis maritimis satis frequenter occurrit.<br />
Plantam persimilem statu imperfecto accepi a litore portus Nichol-<br />
Bay.<br />
Hemichroa diandra hactenus mihi tantum adest a sinu Spenceri.<br />
COMPOSITE.<br />
Vernonia vagans.<br />
Cand. Prodr. v. 32.<br />
Scandens, ramulis parce breviterque pubescentibus, foliis lanceo-<br />
lato- v. rhorabeo-ovatis in petiolum brevem tenuemque angustatis<br />
glabriusculis, panícula cymarum patente, pedunculis specialibus<br />
capitulo paucifloro conspicue brevioribus, involucri squarnis extimis<br />
valde abb^eviatis rhombeo-deltoideis, mediis ovatis, intimis oblongis<br />
haud acuminata, tubo corollas pertenui, acheniis glabris 10-sulcatis,<br />
pappi set¡9 liberis sequalibus uniseriatis scabridis achenio fere<br />
duplo longioribus.<br />
Ad ripas amnium prope Rockingham's Bay. Dallachy.<br />
Planta Indica ab Australiana non spécifiée distare videtur squa-<br />
rnis involucri saepe acutioribus, callo basilari acheniorum magis