THE TASMANIAN FLORA. 97 



C. (Siltbum) mabianum, Linn. Erect, 3-5 feet. Leaves lobed, sMning, 

 variegated with white veins, 6 inches to 1| foot long. Flowers' 

 terminal, solitary, 2 inches long. Bracts with long spreading spines. 



Centaubea calciteapa, Linn. Erect, about 1 foot. Leaves 4-6 inches 

 long, narrow, of many segments. Flowers terminal, sessile amongst the 

 upper leaves, purple, abont ^-| inch long. Bracts ending in stiff 

 spreading spines, J-1 inch long. 



C. MELiTENSis, Linn. Erect, 6 inches to 1 foot, branched. Leaves oblong, 

 l-.S inches long. Flowers yellow, about ^ inch long, 1 or 2 together, 

 terminal, sessile in the upper leaves. Bracts armed with acute 

 branched spines. 



The following plants are not spiney ; the florets are all ligulate : — 



Tkagopogon pobeifolidm, Linn. Erect, 2-.3 feet, pale green, glabrous. 

 Leaves long, linear. Flower terminal, purple. Bracts exceeding the 

 florets, I inch long. 



Helminthia echioidbs, Gmrt. Erect or sub-erect, 1-2 feet, rough, with 

 stiff hairs. Leaves lanceolate, toothed, rough. Flowers yellow, terminal, 

 usually many together, \ inch. Outer bracts leafy, united in an outer 

 involucre. 



PiCEis HiBEACOiDES, Linn. Erect, rough, with stiff hairs. Leaves oblong- 

 lanceolate, 3-6 inches, obscurely toothed. Flowers few, terminal, yellow, 

 I inch diameter. Florets much exceeding the involucre. Achenes not 

 beaked. Pappus of numerous white bristles, some of which at least 

 are plumose. So freely dispersed as to appear indigenous. 



Lbontodon hietus, Linn. Tufted, 3-6 inches. Leaves lanceolate, remotely 

 toothed, 2-6 inches. Flowers solitary, | inch diameter, on slender stalks, 

 drooping when in bud. Florets exceeding the involucre, spreading. 

 Achene tapering at the top, bearing a pappus of about a dozen feathery 

 hairs. There are no scales amongst the florets. 



Hypoch^eis fiLABEA, Linn. Usually small, but. sometimes 8 inchesi high, 

 glabrous. Leaves oblong, obtusely toothed, ^-3 inches long. Flowers 

 few, on branched stems, or solitary in dwarf specimens, \-\ inch long, 

 yellow. Florets hardly exceeding the involucre . Achenes beaked, except 

 the outer ones. Pappus of many feathery bristles, each flower subtended 

 by a scale. 



H. BADICATA, Linn. Coarser thaji the last, except in dwarf specimens, 

 hispid. Flowers larger. Florets exceeding the involucre. Achenes all 

 beaked. 



Lactuca saligna, Linn. Erect, slender, sparely branched, 1-2 feet. Lower 

 leaves broad and lobed, upper ones linear. Flowers numerous, yellow, 

 cylindrical, j inch long, nearly sessile, dispersed along the stem. Achene 

 with a long slender beak. Pappus of numerous simple hairs. 



SONCHUS OLEEACEOUS, Linn. Erect, 1-2 feet, very succulent. Leaves 

 oblong, usually divided deeply into few broad lobes, 6-8 inches long. 

 Flowers many, in a terminal panicle, yellow, ^-1 inch diameter. 

 Involucre with usually a broad base. Achenes flattened, not beaked. 

 Pappus of very numerous simple hairs. 



S. ASPEE Hoff. Similar to the last, only the leaves much more divided, 

 ' and the divisions irregularly and acutely toothed. The coast form is 

 more robust in all details, and its distribution about Recherche and 

 South Cape may indicate that it is indigenous. 



