66 New Australian Plants. 



Elatine^e. 

 Bergia tripetala. 



Annual, procumbent, glandless; stems and branches downy; 

 leaves lanceolate-ovate, minutely serrated, smooth ; ver- 

 ticills many-flowered; pedicels glabrous, shorter or as 

 long as the calyx; flowers trimerous; petals ovate, 

 blunt, somewhat longer than the calyx ; stigmas very 

 short ; capsule slightly furrowed, longer than the calyx, 

 with very thin dissepiments ; seeds brown ; testa latticed. 



At the confluence of the rivers Murray and Darling. 



Three other species of this genus are discovered in tropic 

 Australia, during Mr. Gregory's expedition. 



Euphorbiace,e. 

 Pseudanthus ovalijolius. 



Leaves oval, rarely oblong or orbicular, opposite or crowded, 

 on very short petioles, at the mid-rib scabrous ; seg- 

 ments of the male flowers spathulate, linear ; exterior 

 filaments twice or three times longer than the anthers, 

 interior ones many times longer than the globose ovate 

 anther-cells. 



In vallies at the Grampians, the Serra and Victoria ranges. 

 C. Wilhelmi. 



ROSACEA^E. 



Geum renifolium. 

 (Sieversia.) 



Root without runners ; stem simple, one-flowered, with 

 simple and with short jointed glandbearing downs ; 

 stipules broad, ciliated, in front toothed ; leaves hirsute, 

 radical ones pinnatisected ; lateral segments in one to 

 three pairs, minute or wanting, terminal one large, 

 kidney-shaped, crenate and short-lobed ; leaves of the 

 stem small, distant, cordate, or orbicular ovate, deeply 

 toothed; bracteoles oblong-lanceolate, nearly emarginate, 

 half as long as the calyx ; segments of the calyx broad- 

 ovate, nearly acuminate, outside hirsute; petals 



awns half-exesrted, hairy, not jointed, at the revolute 

 apex naked. 



On Mount Laperouse, Van Diemen's Land. Stuart and 

 Oldfield. 



