Pomaderris. | RHAMNACEAE. 553 
Family LXIV. RHAMNACEAE. 
Trees, shrubs, or woody climbers’; branches sometimes spinescent. 
Leaves simple, alternate, rarely opposite, entire or toothed. Stipules 
small, often caducous, sometimes metamorphosed into thorns. Flowers 
regular, hermaphrodite or unisexual, small and inconspicuous, usually 
arranged in axillary or terminal cymes or panicles. Calyx 4—5-cleft, valvate. 
Petals 4-5, rarely wanting, inserted on the throat of the calyx-tube, small, 
usually hood-shaped or involute. Stamens 4-5, perigynous, inserted with 
the petals and opposite to them; filaments short; anthers often concealed 
within the involute tips of the petals.. Dise perigynous, adnate to the 
calyx, of very various shape. Ovary free or immersed in the disc, alto- 
gether superior or more or less adnate to the calyx-tube, 3-celled, rarely 
2- or 4-celled ; style short; ovules solitary in each cell, erect, anatropous. 
Fruit free or girt by the persistent calyx-tube, drupaceous or capsular, 
1-4-celled. Seed solitary, erect, sometimes arillate; albumen fleshy, 
rarely wanting ; embryo large, erect, radicle inferior, 
A well-marked family, distributed over most parts of the world. Genera about 
40; species under 500, The jujube (Zizyphus) produces a wholesome and agreeable 
fruit, but as a rule most of the species possess bitter or astringent properties, and some 
are purgative. The 2 genera found in New Zealand both extend to Australia, and 1 of 
them (Discaria) is found in South America as well. 
Tomentose, unarmed, Leaves alternate. Ovary inferior .. 1. POMADERRIS. 
Glabrous, spiny. Leaves opposite or wanting. Ovary superior .. 2. DIsCARTA, 
1. POMADERRIS Labill. 'SCO¢, 
Shrubs, more or less covered with hoary or ferruginous stellate tomen- 
tum. Leaves alternate. Flowers pedicellate, in small cymes usually 
forming terminal or axillary corymbs or panicles. Calyx-tube adnate to 
the ovary, limb 5-toothed to the base, deciduous or reflexed. Petals 5 or 
wanting. Stamens 5; filaments longer than the petals; anthers oblong. 
Disc inconspicuous, surrounding the top of the ovary at the base of the 
calyx-lobes. _ Ovary more or less inferior; style 3-fid. Capsule small, 
upper part protruding above the calyx-tube, 3-valved ; endocarp separating 
into 3 cocci, which either split down the imner face or open by an oblong 
lid. Seed on a thickened funicle. 
A genus of about 22 species, restricted te Australia, New Caledonia, and New 
Zealand. Three of the New Zealand species are also found in Australia; the 
remaining 2 are endemic. 
* Flowers with petals. 
Leaves 2-3 in., elliptic-oblong, obtuse, entire ~ .. LL 2. ellipinve, 
** Flowers without petals. 
Leaves 2-4 in., cblong-ovate, crenulate ; tomentum white or grey 2. P. apetala. 
Leaves elliptic-lanceolate, 4-I4in., subacute, glabrous above .. 3. P. rugosa. 
4 
4. 
Leaves oblong, obtuse, bristly above 3 4 Pa P. Edgerleyi, 
Leaves small, linear or oblong, 4-4+in., margins revolute to the 
midrib be ¥ 2s is - .. 5. P. phylicaefolia. 
1. P. elliptica Lab. Nov. Holl. Pl. 1 (1804) 61, t. 86—A sparingly 
branched shrub 4-8ft. high; young branches, petioles, leaves beneath, 
and inflorescence densely clothed with fine white or buff stellate tomentum. 
Leaves shortly petiolate, 2-3 in. long, elliptic-oblong or ovate-oblong, obtuse 
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