AUSTRALIAN PLANTS. ^ 



the anterior sepal acute ; carina gibbous at the top, hardly shorter than 



the wings. 



Hab. In ban-en plains at the Avoca, Guichen Bay, and Encounter Bay. 

 In habit approaching to C, eemulum, 



V. PlTTOSPOREi^, 



IS, Marianthus %«owmceM5, r. MuelL ; innovations silky ; branches 

 climbing, slightly pubescent, at length smooth ; leaves patent, petiolate, 

 out of an almost heart-shaped base, ovate, oblong or lanceolate, apicu- 

 late, net-veined, puberulous, above soon turning smooth, slightly hairy 



beneath : 



hairy 



nerves ; pedicels axillary, solitary or in pairs, rarely tribracteolate at 

 tlie base, equal to or twice the length of the petiole, pubescent as 

 well as the calyx; flowers pendulous; sepals lanceolate, acuminate, 

 four or iive times shorter than the cylindrical, somewhat bell-shaped, 

 puberulous, orange-yellow corolla; anthers yellow; germen villous, 

 silky; capsules narrow-elliptical, somewhat compressed, with a longi- 

 tudinal furrow, bilocular, villous; cells many-seeded. 



Hab. On shady rivulets, by cataracts, and in fissures of the rocks, 

 in the Grampians, and Victoria and Serra Eanges ; in South Australia, 

 on the Onkaparinga, and in the Lofty Kanges. 



This remarkable and beautiful species extends the geographical limits 

 of the genus MariantJius to the eastern portion of this continent, and 

 is the only one hitherto known from beyond the boundaries of Western 

 Australia. At the Grampians it is accompanied with other features of 

 the Swan Eiver flora, as species of Lepidobolus^ Lhotzkt/a, and Calec- 

 iasia, not previously observed so far towards the east. 



VI. Caryophylle.^. 



19. Colobanthus pulvinam, P. Muell. ; perennial, glabrous; stems 

 numerous, moss-like, tufted ; leaves densely crowded, rigid, squarrose, 

 broad, subulate, channelled, triquetrous, pungent, shining, with a 

 slightly inflexed mucro ; sheaths close ; flowers solitary, terminal, on 

 very short and thick peduncles, pentamerous : sepals from a broad 

 base lanceolate-subulate, hardly longer than the egg-shaped capsule, 

 and nearly twice as long as the stamens. 



Hab. On the highest and barest gravelly tops of the Munyang Moun- 

 tains (GOOO-6500 feet). 



