£36 Ausfralian and Tasrnaman Umhellrferous Phnfs. 



segments -, leaves of the stem pinnatiiid^ with linear seg-- 

 ments ^ flower "heads cylindrical^ on long peduncles^ terminal^^ 

 crowned hy simple paless y leaflets of the involucre linear^ 

 mucronate^ reflexed, scarcely of the length of th« flower- 

 head,, as well as the palese tmdivided ; palete linear-subu- 

 late^ but little longer than the flowers j papulae of the fruit 

 blunt. 



On the fertile basaltic downs around Peak Eange, — Ferd<r 

 Mueller, 



■ Amongst Australian species nearest approaching to E^ 

 angiistifolium (D. C. Proclr. iv. p. 95} ; but nearer allied yet 

 to the South American E, coronatum (Hook, and Arn. Bot. 

 Misc., iii, 350), 



M'yngium expansiim. 

 Procumbent, glabrous ', stems streaked ; radical leaves 

 rhomboid-cuneate, deeply toothed ; stem -leaves broad-rhom- 

 boid, deep-trifid ; their lobes broad-cuneate, incised- 

 dentated ; flower-heads small, nearly globose, axillary and 

 terminal, on very short peduncles or sessile ; leaflets of the 

 involucre longer than the flower-heads, linear-subulate, a& 

 well as the palese undivided j papulse of the fruit acutely 

 pointed. 



On the banks of the Dawson and Burnett Rivers. — Ferd. 

 Mueller, 



Similar to E, vesiculosum (LabilL Nov, HolL Specim., i, 

 V' 73),. 



Didisciis, D. C. 

 Sect. I. Teleioearpis ; Ferd, Mueller. Both mericarps 

 fertile or one rarely undeveloped. 



1. Didiscus cceruleus ; Hook. Bot. Mag., t. 2875, 

 Western Australia. 



2. Didiscus jnlosns ; Benth. in Hueg. Emmi. Plant, 

 Nov. IIoll, Aitsti-o-occid., p. 54. Port Phillip,. 



