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Fragmenta phytographiæ Australiæ /contulit Ferdinandus Mueller.

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119<br />

1-2" lata, subtus pallidius vireutia. Rami panícula? oppositi, in-<br />

terdum valde abbreviate Calyces linea vix longiores. Corolla<br />

alba, circiter 4'" longa ; lacinias acutata?, imperfecte ciliatae. An-<br />

thera? ovali-sagittata?, partem tubi superiorum occupantes. Stylus<br />

linea brevior, capillaris, glaber. Stigma semiovatum, ex vértice<br />

truncato mucronatum, -§•¿' latum, Squama? hypogyna? lineares,<br />

staminoides. perbreves. Fructus ignoti.<br />

Planta I. frutescent! simillima, spécifiée ut videtur divellenda<br />

petiulis longioribus, foliis subtus conspicuis reticulari-venosis, pe-<br />

dicellis brevioribus, calycis lobis minime deltoideis, corolla? iauce<br />

minus dense barbata.<br />

ORCHIDEE. •<br />

Dendrobium bigibbum.<br />

Lindl. in Paxt. Flowerg. 1852, p. 25, fig. 245.<br />

Caulibus breviusculis paueiarticulatiscylindraceis apicem versus<br />

attenuatis et paucifohatis, foliis lineari- v. ensnto-lanceolatis char-<br />

tacéis, scapo terminali tenui longiusculo, racerno plurífloro rarius<br />

bifloro, pedicel lis bracteolam longe superantibus, sepalis exterioribus<br />

semilanceolatis interiora cuneato-obovata longitudine a?quantibus<br />

basi calcar breve obtusum pone gibberem producentibus, labelli<br />

breviler unguiculati lobis lateral/bus brevibus truncato-rotundatis,<br />

lobo medio longiuscule semilajicrolato, labelln centrum et basim<br />

versus minute pluriseriali-cristato atque roseo-tincto, columna brevi<br />

praeter apicem adnata.<br />

Ad flumen Liverpool's River ; B. Gulliver.<br />

Radices alba?, filiformes, intricate ramosa?, fasciculum caulium<br />

sive pseudo-bulborum producentes. Caules l|-5" longi, in basin<br />

minus quam in apicem attenuate, vaginis pallidis scarioso-mem-<br />

braneis laxe obtecti. Folia 4-8" longa, 5-10'" lata, inter ñervos<br />

5 longitudinales parallele striolata. sensim in apicem acutata. Scapi<br />

|•I' longi, bracteis 2-3 arctis pallidis membraneis paucilinearibus<br />

cylindraceis ochreati. Bracteola? deltoideo-semilanceolata?, acumi-<br />

nata?, membranea?, circiter sesquilineam longa?. Pedicelli |-|"<br />

longi. Sépala semipollicem paulo excedeutia, membranea ; ex-<br />

teriora acurninulata ; interiora (seu sensu Lindleyi pétala) supra<br />

medium fere 3"' lata, pallescentia. Calcar basale cylindricum, 1"<br />

longum v. paulo longius, obtusum, cui anteponit gibber semiovatus<br />

v. hemispha?ricus e columna? basi ortus calcare conspicue brevior.<br />

Tota columna, additis genitaliis, vix 3"' longa. Pollinia clavato-<br />

cylindracea, cerea. Labellum semipollice vix brevius, membraneum ;<br />

cujus dimidium inferius fere obcordatum et pulclire purpureo-<br />

venosum ; dimidium superius trinervulatum, pr•ter basim la?ve.<br />

Capsula? clavato-obovata?, semiunciales v. paulo longiores.<br />

D. tetragonum, observante Bowman, extendit ad capricornu.

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