338 



XL. LEGUMINOS^. [Acacta. 



5 scarcely prominent nei-ves, with a short, innocuous, oblique or recurved 



point, but in some specimens 3 nerves on each side are prominent, at least at 



the base. Peduncles vei-y short, bearing each a globular head of about 20 



eowers, mostly 5-merous. Sepals spathulate, united to about the middle. 



Petals smooth. Pod linear, straight or curved, flat, about 1^ hnes broad, 



much contracted between the seeds, the valves coriaceous and convex at tlie 



seeds. Seeds ovate, longitudinal ; funicle with several folds, the last di ated 



into a turbinate almost cup-shaped aril.— ^. chordojihylla, P. Muell. in 



Linnsea, xxvi. 612, and PI. "Vict. ii. 11. 



N. S. ■Wales. Low flat country on the Lachlau river, A. Cunningham; Darling nver 

 and thence to the Barrier Range, Victorian ETpediiion. 



Victoria. Desert country along the Murray and Wirainera, F. 3Iuener. 



S. Australia. Port Lincoln, Wilhelmi ; towards Lake Alexaudrina, F. Mueller. 



Distinguished from A. lepfoneura only in the sepals rather more united, from the narrow- 

 leaved forms of il. elongata in the phyllodia still narrower and less flattened. 



Var. longifoiia. Phyllodia slender, often 6 in. long. Heads almost sessile, witn nume- 

 rous flowers. — In Leichhardt's collection. 



54. A. papyrocarpa, Benth. A small tree, of about 25 ft., the 

 branches nearly terete, glabrous or minutely hoary-pubescent. Phyllodia 

 linear-subulate, rigid, thick but slightly flattened, 2 to 3 in. loug.tapenng 

 into a recurved but not pungent point, narrowed at the base, stnate wi 

 numerous fine parallel nerves only visible under a lens, slightly hoary-toinen- 

 tose especially along the centre, without any midrib. Plowers net seen, o ^ 

 from the scars they must have been in globular heads on very short pe''"'"J?*- 

 Pod flat, falcate or flexuose, 3 to 4 in. long, 4 to 5 lines broad ; valves tnm, 

 almost membranous. Seeds ovate, longitudinal; funicle with very sn 

 folds, gradually and not much thickened from the base. . v+ . 



. Australia. S. coast, R. Brown [He 

 semble those of A. rigens, or of some forms 

 more numerous and the nod is verv different. 



C. L'ninekves. — Phyllodia l-nerved or nerveless. 



Where the nerves (one on each side) are prominent, the phyllodium hecomes 



gonous 



55. A. pusioniformis, Wemll. Cowm. Acac. 38, t. 9, if not tU y^- 

 given in Flora, 1819, 139. A tall glabrous shrub, with slender ^^'^'^'^'^^j,^ 

 gular branches. Phyllodia rather numerous, straight or shghtly cwvea,^ ^^ .^ 

 erect, linear- subulate, 1^ to 2 rarely 3 in. long, abruptly terminaun^ ^.^^ 

 short straight point, nearly tetragonous by a prominent nerve on ^^ j^. i 

 Stipules minute. Peduncles solitary or 2 together, 2 to 3 hnes or ra^^j^^_ 

 in. long, bearing each a globular head of numerous flowers, mostly - ^^_ 

 Sepals linear-spathulate, ciliate, at length free, about half as long as 

 rolla. Petals smooth, with a prominent midrib. Pod unknown.— -i^^- 



ii. 450; A.quadrilateralis,T)G.YioA.\\.^h\. ' dt's"^' 



Queensland. Brisbane and Logan rivers, A. Cunningham ; also in Letc i lar 



lection. P Punninff^' 



N. S. Wales. Port Jackson to the Blue Mountains, R. Brotm, a- ^ 



Sieler, n. 442. ^. _ loo ,3 a TifflOf 



The A. quadrilateralis inserted by Decaisiie in the Herb. Tim. Descr. lo^ 

 plant, which I have not seen, ia more likely to be the following species. 



