912 COMPOSITAE. [ Olearva. 
B. Heads small, }-}in. diam., panicled or corymbose (solitary in O. nummularifolia), 
Florets 6-24. 
* Leaves opposite. 
Leaves 14-24 in., oblong. Panicles axillary. Heads dis- 
coid ba we .. 8. O. Traversir. 
Leaves 2-4 in. ; elliptic- lanceolate. Heads radiate .. 9 O. Buchanan, 
** Leaves alternate, large, 1}-4 in. long (less in O. suavis), ovate to oblong, more 
rarely linear-oblong or oblong- lanceolate, entire or toothed or waved. 
Leaves 2—4in., ovate-oblong, obtuse, coriaceous, shining 
beneath. Florets 6-12 % . 10. O. furfuracea. 
Dwarf shrub. Leaves 1-2 in., oblong: ovate, excessively 
coriaceous, sah beneath. Heads iin. diam. Florets 
15-20... il, O. Allomii. 
Leaves 2-4in., narrow elliptic - oblong, parallel - sided, 
obtuse at both ends. Heads iY tk! turbinate. F lorets 
W-15 =. - Res 
Leaves 3-6 in., very | coriaceous, silvery. below. Flower- 
heads long and narrow, often over 2in. long; scales 
jo) 
. Townson, 
35-45, imbricated in 6-8 series . 13. O. pachyphylla. 
Leaves 3-6 in. or more, oblong- obovate, thinly corlaccous ; 
silvery and very finely reticulated beneath .. 14. O. Thomsont. 
Leaves 14-3 in., broadly ovate, acute, rather thin, satiny 
beneath. Florets 15-20... 15. O. arborescens. 
Leaves 2-4in., broadly ae coriaceous, sharply and 
coarsely toothed rT . 16. O. macrodonta. 
Leaves 2-4 in., linear-oblong or lanceolate, coriaceous, 
spinous- toothed .. . 17. O. therfolra. 
Close to O. dlicifolix, but young branchl ets, inflorescence, 
and leaves beneath laxly clothed with white tomentum 18. O. mollis, 
Leaves 2-6 in., broadly ovate, rather ee toothed, white 
with soft tomentum beneath 93 .. 19. O. Cunninghamii. 
Leaves 14-3} in., oblong - lanceolate, acute, hana 
sinuate-dentate .. . 20. O. excorticata. 
Leaves 3-14 in., linear- oblong « or oblong, obtuse, entire or 
Sbsonrely: sinuate we ae is Ms .. 21. O. suavis. 
*** Leaves alternate, 3-7in. long, linear or narrow-linear; lateral veins con- 
spicuous beneath, at right angles to the midrib. 
Leaves 3-7 in., 4-1 in. broad, linear or narrow-linear, ferru- 
ginous beneath .. “2 S <3 .. 22. O. lacunosa, 
Much smaller. Leaves 2-5in. long, 34-4in. broad ; 
margins strongly revolute. Panicles small, few-flowered 23. O. Crosby-Smithiana. 
me Leaves alternate, small, }-ljin. long (longer in O. oleifolia), coriaceous, 
quite entire, 
Leaves 3-2 in., obovate-oblong, clothed with soft white 
tomentum beneath. Florets 12-20 .. .. 24. 
Leaves $—1I4 in., oblong or oblong-ovate. Florets 8-10 .. 26. 
Leaves 1-3 in., lanceolate or oblong-lanceolate. Florets4-8 26. 
Leaves 13-2 in., elliptic - lanceolate. Corymbs small, 
. moschata. 
Haastit. 
. oleifolia. 
oS So S86 
lateral; heads few in, Bde Willcoxit, 
Leaves e. 4 in., orbicular to. > oblong. Heads solitary. 
Florets 6--12 AP 28. O. nummularifolia, 
Leaves oblong, 4-}in., margins révolute all round, hence 
boat-shaped with the cavity beneath. Heads solitary . 29. O. cymbifolia. 
C. Heads small, 4+ in, longs narrow, cylindrical, panicled. Florets few, 1-5, rarely 
more, Leaves large, 14-4 in., alternate. 
Leaves 2-4 in., oblong or ovate-oblong, white beneath, 
often undulate. Florets 3-6 30. O. albida. 
Leaves 14- ~25 i in., elliptic, obtuse, undulate. Florets 3-5. .. ol. O. angulata. 
Leaves 2-4 in., elliptic- lanceolate, acute, flat. Florets 2-3 32. O. avicenniaefolia. 
Leaves 13-3 in., oblong or oblong- ovate, obtuse, undulate. 
Florets never more than one . 33. O. paniculata. 
Ey eee 
“ pm, TS =e “ 
