88 



THE TASMANIAN FLOEA. 



23. OZOTHAMNUS. 



Flower-heads relatively small. Bracts unequal, in several rows, imbricate, tlie 

 inner ones sometimes with short spreading tips, scarious. Receptacle not 

 bearing scales. Florets few to many, tubular, usually exceeding the involucre. 

 Pappus bristles rather numerous, slender, thickened or barbellate towards the 

 ends. 8hrubs ; the flowers in loose or dense terminal or lateral corymbs. 



Confined to Australia and New Zealand. 



Closely allied to, and often combined with, Helickrysum ; but the 

 Tasmanian forms constitute a sufficiently circumscribed group to still 

 maintain the genus. 



i. Leaves linear to lanceolate ... ... ... ii. 



Leaves oblong or obcordate ... ... ... ix. 



Leaves minute ... ... ... ■■■ •■• x. 



ii. Flowers nearly globose ... ... ... ... 1. O. reticulatus. 



Flowers cylindric or oblong ... ... ... iii. 



. Bracts without white spreading tips ... ... iv. 



Bracts with well-developed white tips... ... v. 



iv. Leaves linear, spreading ... ... ... 2. O. cinereux. 



Leaves spathulate, overlapping ... ... 1.3. O. lycopodioides. 



V. Flowers mostly terminal ... ... .. vi. 



Flowers mostly terminating lateral branches .. . 7. O. thyrsoideus. 



vi. Florets few. Flowers narrow ... ... ... vii. 



Florets fairly numerous. Flowers broad . . . viii. 

 vii. Leaves with very recurved margins, hairy and 



scabrous above... ... ... ... ... 3. 0. rosmarinifoUus. 



Leaves flat, glabrous' above ... ... ... 4. 0. ferrugineus. 



viii. Leaves obtuse, rather rigid ... ... ... 5. O.ledifolim. 



Leaves slender, acute or nearly so ... ... 6. 0. gunnii. 



ix. Leaves oblong, under f inch ... ... ... 8. 0. backhousii. 



Leaves oblong, exceeding I inch ... ... 9. 0. antennaria. 



Leaves obcordate. Flowers yellow ... ... 10. O. obcordata. 



X. Leaves about 1 line, spreading ... ... 14. 0. selaginoides. 



Leaves minute, appressed to stem ... ... 11. O. hookeri. 



Leaves minute, reflexed... ... ... ... 12. O. scutellif alius. 



1. O. RETICULATUS, D. C. Erect shrub, 5-8 feet. Leaves linear, obtuse, 1-2 

 inches, margins recurved, upper surface glabrous and indented by the veins. 

 Flowers numerous, nearly \ inch in diameter. Bracts without spreading tips. 

 Florets very numerous, exceeding the involucre, giving the flower a spherical 

 appearance. Helichrysum reticulatum, Less. 



Southport Lagoon, Blowhole, Eaglehawk Neck, Pirates' Bay, &c. Fl. Jan. 



2. O. ciNEBEUS, D. C. Erect shrub, 5-8 feet. Leaves linear, obtuse, |-| inch, 

 margins recurved, upper surface glabrous. Flowers numierous, terminal, rather 

 large. Inner bracts without white spreading tips. HelichrysHW, cinereum, F. v. M. 



Recherche, Ralph's Bay, George's Bay, Scamander, and North Coast ; Bass 

 Straits ; also South Australia, Victoria, and New South Wales. Fl. Dec. 



Var. bracteolatus. Stunted. The leaves more rigid, the grosser foliar 

 bases persistent. Flowers broader. Helichrymm, bracteolatum, B. 

 Flinders Island. 



3. 0. ROSMABiNrFOLius, Z). C. A somewhat variable shrub, erect, branched, rigid, 

 3-6 feet. Leaves linear, acute, with closely-recurved margins, the upper surface 

 usually coarsely scabrid, |-1| inch long. Flowers small and slender, very 



