THE TASMANIAN 1-LUKA. 



79 



leaf-like bract. Ray-florets blue. Aclienes flat, with thickened margins. 

 Pappus of very short acute scales. 



Very co,mr(}.on ; also 'throughout Eastern, and South-Eastern Australia. PI. 

 Sept. -Mar. 



5. B. CARDIOCAEPA, F. V. M. Tufted perennial. Leaves radical, narrow- 

 linear, and very long or shorter and broader, the base broader and sheathing the 

 short stock. Flower about 1^ inch in diameter, on a tall, thick, nsualiy-erect 

 stem, bearing a few distinct leaf-like bracts. Ray-florets white. Achenes flat, 

 with thick margins or narrow wings. Pappus of short coarse bristles. B. 

 linearifolia. Hook., but not of De Candoile. 



In marshy situations. George's Bay, Formosa, &c. In Victoria, South 

 Australia,' and New South "Wales. Fl. Sept.-Oct. 



6. B. SCAPIFORMIS, D. C. A perennial, tufted or creeping, in the typical form 

 smooth or slightly hairy. Leaves at the base of the stem obovate to 

 spathulate, coarsely obtusely toothed, or sometimes entire ; leaves on the stem 

 many or few, all small, from spathulate (with few almost acute teeth) to linear 

 and entire. Stem from a few inches to 1| foot. Flower from 1-1|^ inch 

 across. Ray.-florets blue. Achenes flat, the margins winged or glandular. 

 Pappus of short acute scales or bristles. B. tenuisca/M, H., included. 



Very common in numerous, situations ; also in New South Wales, Victoria, 

 and Queensland. Fl. Nov. -Dec. 



7. B. STRiCTA, D. C A slender perennial, with ascending, sometimes 

 very elongated traggling stems, most parts ightly clothed with short 

 glandular hairs. Leaves from oblong-spathulate (with few coarse, acute, oi- 

 obtuse teeth or lobes) to linear and entire, usually freely scattered along the 

 stems. Flowers about 1 inch across. Ray-florets white or blue. Achenes very 

 flat, with usually broad wings. Pappus of very short acute scales or bristles. 



Very common in sandy and rocky places ; also in New South Wales and 

 Victoria. Fl. Oct.-Feb. 



8. B. ciLiARis, Less. A sub-erect, branched perennial, stems slendei', mostly 

 8-12 inches long. Leaves scattered, all divided into linear lobes, mostly f-l-| 

 inch long. Flowers about ^ inch diameter, usually 5 or 6 at the end of each 

 stem, each one on a slender stalk. Ray-florets white. Inner achenes flattened, 

 tuberculate, winged, outer ones tuberculate and not winged. Pappus 

 inconspicuous, of very small bristles in all Tasmanian specimeiis examined. 



In many parts in central districts, Swansea. Found throughout extra-tropical 

 Australia. Fl. Nov.-Dec. 



7. NABLONIUM. 



Bracts membranous, few, nearly equal, the inner gradually passing into 

 receptacle-scales. Flowers tubular. Achenes flattened, with 2 rigid, pungent, 

 divergent awns, thickened at the base and continuous with the achenes. 



The genus is limited to a single species, peculiar to Tasmania. 



N. CALYCEROIDES, D. C. A Small tufted but creeping perennial. Leaves 

 radical, linear-spathulate, entire or sinuate on the margin, usually acute and 

 narrowed below, the under surface silvery-white, mostly about 1 inch long. 

 Flowers |-f inch across, solitary, on a stalk about as long as the leaves. 



Bass Straits, Macquarie Harbour, Trial Harbour. Fl. Dec. 



8. COTULA. 



Bracts few and nearly equal. Receptacle flat, convex, or conical, without 

 scales. Florets numerous, outer ones with altered or no corolla, all tubular, 

 small. Achenes flattened. Pappas none. All small or decumbent herbs. 



A genus of world-wide distribution. 



