PLORA AUSTEALIENSIS. 



Okdeu XL. LEGUMINOSiE. 



Calyx of 5 or rarely fewer, usually united sepnis, campaniijjitc or tubular, 

 more or less divided into 5 or fewer teetli or lobes, or rarely the sepals 

 eutirely distinct. Corolla of 5 or rarely fewer petals, perigynous or rarely 

 hypog-ynous, very irregular in tlie lirst s'uborder, less so in the second, small 

 regular and the petals often united in the third. Stamens twice the number 

 ot petals, rarely fewer or sometimes indefinite, inserted with the petals. 

 Uvary single (consisting of a single carpel), with 1, 2, or more ovules 

 an-anged along the inner or upper angle of the cavity ; style simple. Fruit 

 a pod, usually flatfish and opening round the margin in 2 valves, but some- 

 times follicular or indehiscent, or variously shaped. Seeds with 2 large 

 cotyledons, a short radicle, and, with few exceptions, little or no albumen.— 

 Jierbs shrubs trees or climbers. Leaves alternate or (chiefly in some Austra- 

 han genera) opposite, usually furnished with stipules, compound or reduced 

 to a single leaflet or to a dilated petiole, or in a few cases really simple, the 

 leatlets or leaves entire or rarely toothed or lobed. Flowers in axillary or 

 terminal racemes spikes or clusters, when terminal often becoming leaf- 

 opposed by the growth of a lateral shoot, rarely solitary and axilhiry. 



The largest Natural Order of Phicuogamous plants next to Compodtm, and wiilely dis- 

 uibutol over the whole surface of the globe. Out of 92 Australian gpnera, 33 arc dispersed 

 To / 1 ^^^™'^'"' ''^i'^% tropical regions of both the New and the Old World; of 20 other 



/*' A^*^"*^™' ^"^ ^^^ ^^ Africa and Asia but not in Auurica, 2 in America and Asia but 

 pen '° t'V^*' ^ "^ "^^'^ ^^**"'^' ^ K'ErylhropMmm) only in Africa ; 4 more of the Australian 

 genera belong to the temperate regions of the uorthcra hemisniiere, 1 {Clianihus) extends 

 o'liy to ^^yi Zcalaud. and 34 are endemic in Australia. 



nni * ^'^'^^'■^ marked with an asterisk in the following table are those which are mentioucd 

 only as lutroduced, uot descrihed as indigenons. 



fetjBouDER I. Papilionaceae.— .F/ozi'f;-5 l-merous. Corolla very irrc- 

 /'''i'"/'^^'o?i</ceo«s, or very rardy {in a few Sophoreas) nearly regular, the 

 Pf^tals imbricate, the upper one (or standard) alwaya ouhide in the bud. Sla- 

 '^'^ 10, or very rarely 9 or 5. 



Utel *^odalyriese. — Slinibs, rarely herbs or small trees. Leaves simple or tUyi- 



all f ^^^P^^^^^ {exce-pi in a few Goinpholobiums and Ihirtouias), without si q)clla!. Slamem 

 Jjee or scarcely united at the base. Fad not artleulate. 



VOL. IT 



B 



