Olearia.] 



XXXIX. COMPOSITAE. 



263 



A. Heads liw.-ljm 

 -2iin 



I. Leaves alternate (except in nos. 9 and 10). 

 in diameter, solitary on terminal bracteate peduncles, or in simple racemes. 

 * Heads radiate. 

 long, linear, acutely toothed towards the tips. 



Bays 



Leaves lin 

 purple 

 Leaves lin.-3in. long, broadly lanceolate-serrate. Peduncle slender 



Leaves 2in.-4in. long, lanceolate, obtusely toothed. Bracts short, imbri- 

 cating. Rays white 



Leaves as in 3, but bracts leafy. Disk purple . . 



Leaves 4in.-6in. long, obovate-lanceolate. Heads raoemed 



** Heads discoid. 

 Leaves broadly oblong or obovate-lanceolate 

 Leaves broadly ovate or orbicular-ovate 



B. Heads on long naked pubescent peduncles. 

 Leaves 4in.-6in. long, oblotig to ovate, shining, smooth . . 



0. Heads paniculate, ^n.-^in. in diameter. Leaves l^in.-bin. long, 



*** Leaves opposite. 

 Leaves oblong to broadly ovate. Heads discoid 

 Leaves oblanceolate, 2in.-.3Jin. long. Heads radiate 



'*** Leaves alternate. 

 Leaves ovate-oblong. Coriaceous. Florets 8-12 . . 

 Leaves ovate or broadly ovate, satiny below. Florets 16-20 

 Leaves orbicular-cordate, shortly acuminate 

 Leaves ovate-obiong or ovate, strongly toothed. Florets 8-12 

 Leaves linear, oblong-lanceolate, spinous 



Leaves oblong to ovate-oblong, toothed, white with soft tomentum beneath. 

 Florets 16-24. Aohene glabrous .. 



0. semidentata. 

 0. Chathamica, 



0. operina. 

 0. angusti/olia. 

 0. Traillii. 



0. Colensoi. 

 0. Lyallii. 



8. 0. insignis. 

 ohlong to ovate. 



9. 0. Traversa. 



10. 0. Buchanani. 



11. 0. furfuracea. 



12. 0. nitida. 



var. cordatifolia. 



13. 0. macrodonta. 



14. 0. ilicifolia. 



15. 0. Gunninghamii. 



D. heaves linear ; veins forming u, right angle with the 'midrib. Heads small, ^in.-^in. long. 

 Leaves narrow-linear, 4in.-6iu. long, ferruginous beneath .. . . 16. 0. lacunosa. 



Leaves linear, oblong-lanceolate, acuminate, lin.-4in. long, white with ap- 



pressed tomentum beneath . . . . . . . . . . 17. 0. excorticata. 



Leaves very narrow-linear, 5in.-6in. long, Jin. broad . . . . . . 18. 0. alpina. 



E. Leaves lin.-2in. loiig. Panicles diffuse. Heads ^in.-^in. in diameter. 

 Leaves broadly oblong or elliptical-ovate, thick and coriaceous, white and 



silvery beneath . . . . . . . . . . . . . . 19. 0. Allomii. 



F. Heads corymbose, rarely solitary. Leaves Ji».-ljm. long (2in.-3in. 

 Leaves Jin.-3in. long, elliptic, rigid. Corymbs rounded . . 

 Leaves Jin. -fin. long, obovate-oblong. Florets 12-20 

 Leaves Jin .-lin. long, oblong-ovate. Florets 7-9 

 Leaves ljin.-3in. long, lanceolate or oblong-lanceolate. Florets 4-6 



Leaves fin.-l^in. long, narrow-oblong or ovoid, ferruginous beneath. 

 Florets 6-10 



Leaves Jin. -Jin. long, suborbicular or orbicular-oblong. Heads solitary or 

 axillary . . 



Leaves convex above, boat-shaped 



G. Heads small, corymbose. Leaves lin.-iin. long. Florets 

 Leaves ljin.-2jin. long, broadly elliptical, undulate 

 Leaves Sin. -4in. long, oblong or ovate-oblqng 

 Leaves ljin.-4in. long, broadly lanceolate. Ray-florets usuailly solitary 



