588 MYRTACEAE. . [ Leptospermum. 
Of the four New Zealand genera, Leptospermum extends through Australia as far as the 
Malay Archipelago ; Metrosideros occurs in the Pacific and Malayan islands, Australia, 
and South Africa; Hugenia is mainly tropical; and Myrtus mostly American. 
* Fruit capsular. | 
Leaves small, alternate. Flowers solitary or fascicled .. .. 1. LeprosperMum. 
Leaves larger, opposite. Flowers usually handsome, cymose .. 2. METROSIDEROS. 
** Wruit a berry. 
Flowers usually solitary. Embryo curved, with a long radicle .. 3. Myrtus. 
Flowers cymose. Embryo thick and fleshy, radicle short .. 4, EUGENTA. 
1. LEPTOSPERMUM Forst. (74G 
Shrubs or small trees, glabrous or silky-pubescent. Leaves small, 
alternate, entire. Flowers solitary or 2—3 together, axillary or at the ends 
of the branchlets, often polygamous. Calyx-tube campanulate or turbinate, 
adnate to the ovary below; lobes 5. Petals 5; spreading. Stamens nume- 
rous, free, na single series ; anthers versatile. Ovary inferior or half-superior, 
enclosed in the calyx-tube, 5- or more-celled, rarely 3—-4-celled ; style filiform ; 
stigma capitate or peltate. Capsule woody or coriaceous, exceeding the 
calyx-tube or altogether included in it, opening loculicidally at the top. 
Seeds numerous in each cell, but most of them sterile, pendulous, linear or 
angular. 
A genus of about 28 species, almost wholly Australian ; a few only in New Zealand, 
New Caledonia, and the Malay Archipelago. One of the New Zealand species is also 
found in Australia, the remaining two are endemic. 
Leaves pungent. Flowers }-3in. diam., solitary. Calyx-lobes 
deciduous. Capsule half-exserted my = of 
Leaves not pungent. Flowers 4 in. diam., usually fascicled. Calyx- 
lobes persistent. Capsule included in the calyx-tube .. .. 2. L. ericordes. 
Leaves not pungent, white with silky hairs. Flowers }in. diam. 
Calyx-lobes persistent. Capsule deeply sunk within the calyx-tube 3. L. Sinclairii. 
l. L. scoparium, 
1. L. seoparium Forst. Char. Gen. (1776) 72, t. 36—A shrub or 
small tree, extremely variable in size, usually 6-18 ft. high, but sometimes 
dwarfed to a foot or two, occasionally reaching 20-25 ft. with a trunk 
12-18 in. diam.; branches fastigiate or spreading: branchlets and young 
leaves silky. Leaves 4-4in. long, variable in shape, linear or linear-lanceolate 
to broadly ovate, sessile, rigid, concave, acute and pungent-pointed, veinless, 
dotted, erect or spreading, rarely recurved. Flowers sessile, solitary, axillary 
or terminating the branchlets, tin. diam. Calyx-tube broadly turbinate : 
lobes orbicular, deciduous. Petals orbicular, slightly clawed. Capsule 
woody, persistent, half sunk in the calyx-tube, which forms a rim round it, 
the free portion 5-valved.—A. Rich. Fl. Nouv. Zel. (1832) 337; A. Cunn. 
Precur. (1839) n, 553 ; Raoul Choix (1846) 49 ; Hook. f. Fl. Nov. Zel. i (1853) 
69; Handb. N.Z, Fl. (4864) 69; T. Kirk Forest Fl. (1889) t. 117; Students’ 
Fl. (1899) 157; Cheesem. Man. N.Z. Fl. (1906) 160, 
_ Var. incanum Cockayne in Trans. N.Z, Inst. xlix (1917) 58.—Leaves lanceolate or 
linear-lanceolate, ¢-3 in. long, hoary: when young with silky whitish hairs. Flowers 
rather larger than in the type, usually rose-coloured. 
NORTH AND SOUTH IsLANDSs, Stewart Isuanp, CuaTHam Istanps: Abundant 
throughout, ascending to 4500 ft, Manuka; Tea-tree. October—April. Also 
‘plentiful in Australia and Tasmania, 
