302 NEW GENERA OF AUSTRALIAN PLANTS. 



Hab. In monte La Perouse Tasmaniae austro-occidentalis, Stuart. 



Herba sesqui-tripollicaris, rhizomate perenni, fibras copiosas produ- 

 cente. Folia radicalia saepe pollicaria, H-2'" lata, margine recurva, 

 subcoriacea, floralia paucas lineas longa. Involucri squamae cir- 

 citer 1|'" longae, interiores exterioribus paulo angustiores. Achenium 

 immaturum oblongum, basi attenuatum. — (Anth. Mart.) 



A speciebus ceteris (T. spathulato, pusillo et nivigeno) inter se valde 

 similibus habitu longe diversum. i 



On some New Genera of Australian Plants, discovered during the 

 progress of the North Australian Exploring Expedition ; by Dr. F. 

 Mueller, Botanist to the Expedition, and Colonial Botanist at 

 Victoria. 



Nat. Ord. BUETTNERIACEiE. 



Gen. I. Dicarpidium, F. Muell. 



Flores monoici. Involucellum bi-triphyllum, unilaterale. Calyx 5-fidus, 

 ovato-campanulatus, aestivatione valvatus. Petala 5, aestivatione 

 convolutiva, libera, calycem excedentia, oblongo-cuneata. Masc. 

 Filamenla 5, inferne in tubulum connata. Anthera supra basin 

 affixse, ovatae ; loculis parallelis longitudinaliter dehiscentibus. Styli 

 2, iiliformes, reflexi. Stigmata indistincta. Ecem. Stamina 5. Fila- 



omnino in tubum connata. Antlierce steriles, seorsae, lato- 

 ovatse, longitudinaliter extrorsum dehiscentes, supra basin extus 

 cylindro filamentorum affixae. Germina 2, subovata. Styli 2, liberi, 

 inferne villosuli, fiKformes, erecti. Stigmata tenui-clavata. Carpidia 

 duo, dimidiato-ovata, acuminata, ad commissuram longitudinaliter et 

 secus dorsi apicem dehiscentia monosperma. Semina ovata, dorso 



4 



convexa, ventre planiuscula. Embryo in axi albuminis carnosi rectus. 

 Cotyledones planae. Radicula infera. — Eruticulus Australiae borealis 



menta 



iipulis 



fasciculate oblongis, margine 



* • 



ternisve, breviter pedicellatis ; petalis purpureis. — Genus Wal 



thericB cognatum. 



monoicum 



Hab. In locis arenoso-rupestribus ad originem fluviorura M'Arthur's 

 River et Seven Emu Creek, sinus Carpentarise.— (Anth. Jun.-Aug.) 



