34 



Aitstralian Plants, 



Akt. IV. Definitions of rare or hitherto undescribed Australian 

 Plants^ chiefly collected within the Boundaries of the Colony 

 of Victoria^ and examined by Dr. Feed. Mueller. 

 (Continued.) 



Crucifer^. 

 1. Cardarnine laciniata. 



Perennial^ erect, glabrous; leaves nearly all radical, on 

 long petioles, lanceolate, remotely toothed or laciniate or 

 sometimes pinnati-partite ; flowers in the raceme remote ; 

 petals oblong-cuneate,' hardly twice as long as the sepals; 

 siliques as well as their pedicels ispreading ; style short ; seeds 

 brown, slightly wrinkled. 



On moist grassy as well as on boggy places, along rivers 

 and creeks ; it often indicates a saline soiL 



2. Sisymbrium cardaminoides. 

 (Sect. AraiidopsiS'J 



Annual, diffuse, somewhat hairy ; leaves lanceolate^ 

 entire or on both sides with one or two teeth; pedicels 

 expanded, hardly half as long as the silique; nerve of the 

 valves thin ; petals white ; filaments hnear-subulate ; style 

 short ; stigma indistinctly bilobed. 



On sandridges near the entrance of the Murray River. 



3. Capsella antipoda, 



( Sect SutcJiinsia. ) 



Annual ; stems simple or little branched, ascending, foliate ; 

 leaves all petlolate, pinnately parted or entire, glabrous ; lateral 

 lobes two or three on each side, ovate or oblong, the terminal 

 one larger ; petals white, ovate, unguiculate ; calyx for some 

 time persistent, half as long as the corolla ; silicles elliptical, 

 shorter than the pedicles, 4-12-seeded ; stigma subsessile. 



In the Black Forest, and on the summit of Mount Alex- 

 ander. Of great affinity with Hutchinsia petr^ea. 



4. Lepidium ambiguum, 



(Sect. Dileptium,) 



Perennial; stem upright, branched, somewhat scabrous; 



