Ackama.] CUNONIACEAE. 497 
Family XLIX. CUNONIACEAE, 
Shrubs or trees. Leaves opposite or whorled, coriaceous, simple or 
3-5-foliolate or imparipinnate, Stipules present, often interpetiolar as in 
Rubiaceae. Flowers small, usually hermaphrodite. Sepals 4-5. Petals 
4-5, inserted under the margin of a perigynous disc, occasionally wanting. 
Stamens perigynous, 4-5, or 5-10, or numerous. Ovary 2-celled or rarely 
divided into 2 separate carpels. Ovules 2 to many, in 2 rows in each cell ; 
styles 2 or rarely combined. Fruit generally capsular, or rarely (in genera 
not found in New Zealand) a drupe or nut. 
Genera 21; species about 120, mostly found in the subtropical parts of the 
Southern Hemisphere. 
Flowers panicled. Calyx valvate m4 S A .. 1. ACKAMA. 
Flowers racemose. Calyx imbricate .. os “ .. 2, WEINMANNIA. 
1. ACKAMA A. Cunn. 134, 
Small trees. Leaves opposite, pinnate, stipulate. Flowers small, 
unisexual, in compound panicles. Calyx-tube short, lobes 5, ovate- 
triangular, persistent, valvate. Petals 5, inserted under the margin of 
a perigynous disc, scarcely longer than the calyx. Stamens 10, inserted 
with the petals; filaments filiform, the alternate ones longer; anthers 
didymous. Ovary free, 2-celled; styles 2, persistent; ovules numerous 
in each cell. Capsule small, coriaceous, turgid, 2 - celled, septicidally 
2-valved. Seeds ovoid, apiculate, hairy; embryo cylindric, in the axis 
of fleshy albumen. 
Besides the New Zealand species, which is endemic, there is another from eastern 
Australia (A. Mueller: Benth.) and one from New Guinea (A. Nymani K. Schum,). The 
genus only differs from Weinmannia in the paniculate inflorescence and valvate calyx. 
1. A rosaefolia A. Cunn. Precur. (1839) n. 520.—A handsome small 
tree 20-40 ft. high, with a trunk 1-2 ft. diam. ; branchlets, leaves, petioles, 
and inflorescence more or less covered with short brownish pubescence. 
Leaves 3-10 in. long, imparipinnate ; leaflets 3-8 pairs; 1-3 in. long, 
narrow - oblong to elliptical, sessile or very shortly petioled, acute, 
acutely serrate, membranous, upper larger than the lower; stipules large, 
eafy, toothed, deciduous. Panicles much branched, many-flowered, longer 
or shorter than the leaves. Flowers unisexual, minute, sin. diam., 
sessile on the slender branches of the panicle. Ovary densely pilose. 
Capsule very small, $in. long, sparingly silky when mature.—Raoul Choia 
(1846) 47; Hook. f. Fl. Nov. Zel. 1 (1853) 79; Handb. N.Z. Fl. (1864) 60 ; 
T. Kirk Forest Fl. (1889) t. 63; Students’ Fl. (1899) 189; Cheesem. Man. 
N.Z. Fl. (1906) 187; Lll. N.Z. Fl. i (1914) t. 42. 
North Istanp: from Kaitaia and Mangonui southwards to Whangarei, not 
common. Makamaka. September—October, ! 
A very attractive small tree, which should be generally planted in shrubberies 
in the northern part of the Dominion and elsewhere. 
2. WEINMANNIA Linn. i754, 
Shrubs or trees. Leaves opposite, petiolate, simple or 3-foliolate or 
imparipinnate, stipulate. Flowers in terminal or axillary racemes. Calyx 
inferior, divided almost to the base into 4—5 imbricate segments. Petals 
4-5, inserted under the margin of a perigynous disc. Stamens 8-10, 
inserted with the petals. Ovary free, ovoid or conic, 2-celled, 2-beaked : 
