Pachystegia. | COMPOSITAE. 911 
insignis Hook. f. Fl. Nov. Zel. ii (1855) 331; Handb. N.Z. Fl. (1864) 125 ; 
Bot. Mag. (1889) +. 7034; T. Kark Students’ Fl. (1899) 266 ; Cheesem. Man. 
N.Z. Fl. (1906) 279; Ill. N.Z. Fl. i (1914) t. 85. 0. marginata Col. on 
Trans. N.Z. Inst. xv (1883) 321. 
Var. minor Cheesem. in Trans. N.Z. Inst. xviii (1916) 211.— Much smaller and 
more slender than the type; leaves smaller and narrower, 24-4 in. long, din. diam. 
Peduncles slender, 4in. long. Heads 3-1} in. long. 
Sourn Istanp: Marlborough—Not uncommon from a little to the south of 
Blenheim to Kaikoura and the Conway and Mason Rivers, usually on rocky cliffs and 
ledges. Var. minor: Near Kaikoura, H. J. Matthews ! Sea-level to 4000 ft. 
December—February. 
A very handsome and remarkable plant, quite unlike any other. Although New 
Zealand contains many beautiful shrubby composites, it may be doubted whether any 
one of them is more deserving of notice than the plant described above. Its peculiar 
habit, the excessively thick and coriaceous leaves with their shining upper surface and 
dense coating of white tomentum beneath, the tall stout peduncles, each with its single 
bold head, and the large broad involucres with their many rows of bracts are prominent 
and noteworthy characters; while the general appearance of the plant is singularly 
attractive. 
5. OLEARIA Moench. 3 * © 2— 
Shrubs or trees. Leaves alternate, rarely opposite or fascicled, usually 
with white or buff tomentum beneath. Heads large or small, solitary or 
corymbose or paniculate, radiate or rarely discoid. Involucre broad or 
narrow; bracts imbricated in several rows, margins dry or scarious. 
Receptacle flat or convex, pitted. Florets few or many, rarely solitary ; 
ray-florets female, in a single row, usually ligulate, spreading, rarely slender 
and filiform or altogether wanting; disc-florets hermaphrodite, tubular, 
5-lobed. Anthers often acute at the base or with minute tails, rarely 
obtuse. Style-branches flattened, with short obtuse or rarely lanceolate 
appendages. Pappus of one or more rows of unequal scabrid bristles, often 
thickened at the tips. Achenes ribbed or striate, terete or shehtly com- 
pressed. 
In addition to the 42 species found in New Zealand, all of which are endemic, there 
are over 80 others confined to Australia and Tasmania with the exception of 2 recorded 
from Lord Howe Island, and 1 or 2 from New Guinea. The genus is very closely allied 
to Aster, with which the late Baron Mueller proposed to unite it, together with 
Celmisia and several other genera. 
A. Heads large, 1-3 in. diam., solitary or racemed. 
* Heads radiate, solitary on bracteate peduncles (racemed in O. Traillit). 
Leaves 14-24 in., linear or linear-lanceolate. Peduncle 
slender. Rays purple * 23 i .. 1. O. semideniata, 
Leaves 1-3 in., elliptic-lanceolate to oblong-obovate. Ped- 
uncles slender. Rays purple or white : 2. O. chathamica. 
Leaves 2-4 in., obovate - lanceolate. Peduncles stout ; 
bracts numerous, short, close-set. Rays white, disc- 
florets yellow a a + ae .. 3 O. operina, 
Leaves 3-5 in., narrow- lanceolate. Peduncles stout ; 
bracts lax, long, foliaceous. Rays white ; disc-florets 
purple 4, O. angustifolia. 
Leaves 3-6in., lanceolate or obovate-lanceolate. Heads 
racemed. Rays white; disc-florets purple 5. O. Trarllat. 
** Heads discoid, racemed. 
Leaves 2-6 in., obovate or obovate-oblong, acutely serrate 6. O. Colensot, 
O 
Leaves 4-8 in., orbicular-ovate, doubly crenate .. . 4. 0. Lyattis. 
Shawra tmsl et trish 177k 
Arw Kors Ath, (uo: 129. 
