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Fragmenta phytographiæ Australiæ /contulit Ferdinandus Mueller.

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82<br />

Anther* cordato-renataî, flavae, |" metientes, filamento perbrevi<br />

deltoideo plano membraneo insidentes ; una alterave passim minor<br />

et haud bene evoluta. Stigmata papilloso-barbata. Carpidia 1|'"<br />

longa ; sterilia dorso obtusa, fertilia superne §'" lata.<br />

Hue forsan pertinent T. calcarata, Hook. Ic. cdxvi. et certe T.<br />

Neesii, Endl. in Lehm. PI. Preiss. ii. 54.<br />

Triglochin nana.<br />

F. If. in Transact. Vict. Inst. i. 135 ; in Hook. Kew. Misc. 1856, p. 332.<br />

Annua, pumila, radice fibrosa, foliis setaceo-filiformibus supra<br />

basim membraneo-dilatatam stipulari-bilacinulatis, pedunculis tenui-<br />

filiformibus racemoso-plurifloris passim paucifloris rarissime tantum<br />

florem unicum gerentibus,y?orio?/s inferioribus trisepalis monan-<br />

dris, flore terminali hexandro, sepalis minutis basi breviter pro-<br />

ductis, carpidiis tribus tenuibus sagittato-subulatis.<br />

In rupibus muscosis prsesertim irriguis a portu Phillipi usque in<br />

Australiam occidentalem et in Tasmania.<br />

Herbula uni- usque paucipollicaris. Folia j-lfp" longa. Florum<br />

inferiorum sepalum exterius ovatum, acutum, circiter semilineam<br />

longum, antheram suffulciens ; sépala 2 lateralia minora, magis<br />

lanceolata; sépala floris supremi 3 exteriora et 3 interiora altius<br />

et demissius inserta, iis florum imorum conformia. Anthera renat•,<br />

flava?, fere sessiles, |" latas ; 3 exteriores interioribus prascociores.<br />

Stigmata perminuta, hyaline papilluloso-barbata. Pedicelli fruc-<br />

tiferi 2" longi v. breviores. Carpidia columellas persistenti angus-<br />

tissime tripter• pertenui longitudinaliter adnata, sesquilineam<br />

longa, in fructum trigono-cylindraceum lenissime pyramidatum<br />

conjuncta. Semen cylindraceum, inferné leniter incrassatum, e<br />

basi cavitatis glaberrimoe carpida erectum.<br />

Cum hac conspecifica est T. centrocarpa, J. Hk. Fl. Tasm. ii.<br />

40, saltern quod plantam Tasmanicam attinet, dum vera stirps<br />

(Hook. Ic. 728) pedicellis crassis perbrevibus recedit. Hanc plan-<br />

tam typicam non habeo nisi e collectione Drummondi.<br />

Triglochin calcitrapa (Hook. Icon. 731) provenu, me ipso<br />

observante, in colfibus basalticis ad bases septentrionales montium<br />

Stirlingii. Planta ibi collecta ostendit calcaria fructus breviora et<br />

pedicellos longiores. Limites systematic! inter omnes hasce plantas<br />

denuo trahendi. Sic etiam occurrit qu•dam Triglochin, me sub<br />

nomine T. minutissima; distributa, qu• a formis minimis et gracil-<br />

limis T. nanae jam dignoscitur fructibus pertenuibus fere sessilibus.<br />

Cum T. nana cam consociatarn vidi ad portum Phillipi, ad montes<br />

Stirlingii, ad flumen Murrayi. Ab hac facillime discerní potest<br />

T. trichophora (Nees in Lehm. PI. Pr. ii. 54) jam propter fructum<br />

turgidulum separanda ; prseterea h•c ultima saape multo robustior<br />

est. Planta Preissii 2409 est T. minutissima. Forsan omnes ha;<br />

plant» confluunt, sed flores egent adhuc comparatione.

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