58 
XXIV. SAXIFRAGES. 
Tufted, alpine, mos3-like herb, with terminal, sessile, white flowers . 1. Donatia. 
Shrubs or trees. Leaves alternate. Petals imbricate. Ovary inferior 2. Quintinia. 
Shrub or tree. Leaves alternate and opposite, exstipulate. Ovary 
superior 3. Ixerba. 
Shrub or tree. Leaves alternate. Petals valvate. Ovary inferior . 4. Carpodetus. 
Tree. Leaves opposite, pinnate. Calyx valvate. Ovary superior . 5. Ackama. 
Trees or shrubs. Leaves opposite ; leaflets 1-3 or pinnate. Calyx 
imbricate. Ovary superior 6. Weinmannia. 
1. DONATIA, Forst. 
Densely tufted, moss-like, alpine herbs, with very numerous leaves, densely 
imbricating all round the brandies. Flowers terminal, sessile, solitary, white. 
— Calyx-tube obconic, adnate with the ovary ; lobes 4 or 5, equal or unequal. 
Petals 5-10, linear or ovate. Stamens 2 or 3, inserted on an epigynous 
disk ; filaments cohering at their bases with the bases of the styles ; anthers 
didymous, bursting outwardly. Ovary inferior, 2 or 3-celled; styles 2 or 3, 
subulate, recurved, stigmas simple or capitate ; ovules numerous, on pla- 
centas which are pendulous from the top of the cells. Fruit unknown. 
A genus of but two species, one Fuegian, the other a native of the summits of the Tas- 
manian and New Zealand mountains. 
1. D. novae-Zelandiae, Hook. f. FI. N. Z. i. 81. t. 20. Stems very 
short, including the leaves as thick as the little finger, densely clothed with 
leaves, of which the upper are bright green, the lower brown. Leaves erect, 
oppressed, - 3 - in. long, coriaceous, linear-subulate, obtuse, villous at the base, 
nerveless, punctate. Calyx-lobes and petals 5, the latter thick, ovate-oblong, 
blunt, -jL- in. long. Stamens 2, filaments short. Styles 2. 
middle Island : mountains near Port Preservation, Lyall. 
2. QUINTINIA, A. DC. 
Glabrous shrubs or trees. Leaves alternate, persistent, exstipulate. Flowers 
small, white, in axillary or terminal many-flowered racemes. — Calyx-tube ob- 
conic, adnate to the ovary; teeth 5, persistent. Petals 5, oblong, obtuse, 
deciduous, imbricate. Stamens 5 ; filaments short, subulate. Ovary infe- 
rior, 3-5-celled, its free conical top narrowed into a conical, persistent, fur- 
rowed style ; stigma capitate, 3-5-lobed ; ovules very numerous. Capsule 
small, inferior or half superior, coriaceous, obovoid, 3-5 -ribbed, 1-celled, 
many-seeded, dehiscing at the tip between the styles. Seeds elongate, imbri- 
cating ; testa winged. 
A small Australian and New Zealand genus. The New Zealand species are covered with 
lepidote scales, beneath which a viscid exudation is secreted. 
Leaves 3-6 in., remotely serrate 1. Q. serrata. 
Leaves 2 in., obscurely sinuate-serrate 2. Q. elliptica. 
I. Q. serrata, A. Cunn. ; — FI. N. Z. i. 78. A small, erect tree ; branch- 
lets, leaves, and racemes covered with lepidote scales. Young parts viscid. 
Leaves petioled, 3-6 in. long, narrow linear-lanceolate or -oblong, rather ob- 
tuse, remotely irregularly and obtusely serrate, margins undulate, when dry 
