100 xxxiv. akaliaceyK. [ Stylbocarpa . 
globose, axis hollow, 3- or 4-furrowed, corky, covered witli a brilliant black 
shining epidermis, containing 3 or 4 horny nuts. 
The only species of the .genus, and a most remarkable plant, allied to the Chinese and 
Himalayan herbaceous Aralias. 
1. S. polaris, Dene, and Planch. Arabia polaris, FI. N. Z. i. 95. 
Stems 2-4 ft. high, from a long, annidate, thick, prostrate- rhizome, much 
branched, 1-2 in. diam., grooved, succulent, of a rank odour when bruised. 
Leaves 1-1 1 ft. broad, almost fleshy, orbicular-reniform, many-lobed and 
-toothed, bristly on both surfaces, veins flabellate ; petiole erect, semiterete, 2 
ft. long; sheaths semiamplexicaul, produced upwards into a foliaceous, trun- 
cate, laciniate ligule. Umbels terminal and axillary, compound, as large as 
the human head, composed of myriads of yellowish waxy flowers, with a pur- 
ple disk ; involucral leaves various, lower foliaceous. Flowers i in. diam., 
on short clavate pedicels. Fruit size of a small peppercorn, black, brilliant. — 
Ar alia polaris, FI. Antarct. i. 21 ; Hook. Ic. PI. t. 747. 
Southern Island, Lyall. Abundant in Ihord Auckland’s group and Campbell 
Island, J. 1). II. Covering large tracks of ground with huge orbicular masses, very conspicu- 
ous from the yellowish waxy flowers and black shining fruit. Lyall’s Southern Island spe- 
cimen wants the long bristles, and may belong to another species. 
2. PAN AX, Linn. 
Trees or shrubs. Leaves evergreen, 1-7-foliolate, rarely simple ; stipules 
0, or sheathing or subulate. Umbels simple or compound. — Flowers polyga- 
mous, jointed on the summit of the pedicel. Calyx-limb toothed sinuate or 
entire. Petals 5, valvate. Stamens 5. Ovary 2-5-celled, with 2-5 short 
recurved styles, sometimes connate at the base. Fruit coriaceous or fleshy, 
2-5-celled. 
1 have adopted the character of Panax from the observations of Decaisne and Plauchon, 
in their classification of the Order in the ‘ ltevue Horticole,’ 1854, p. 105. The genus, as 
thus defined, is a very considerable one, and found in many parts of the world. 
Leaves in old plants simple or 1-foliolate, in young usually 3-5-foliolate. 
Stipules 0. Leaflet lanceolate, serrate. Styles 2 ..... 1. P. simplex. 
Stipules 0. Leaflet oblong, quite entire. Styles 3 or 4 . . . . 2. P. Edgerleyi. 
Stipules minute. Leaflet small, rounded. Umbels minute. Styles 2. 3. P. anomalum. 
Stipules subulate. Leaves 2 in., very coriaceous, linear. Styles 3 or 4 4. P. lineare. 
Stipules 0. Leaves linear, 3-10 in., very coriaceous, green, 
toothed. Styles 5 5. P. crass folium. 
Stipules 0. Leaves 4-12 in., very narrow, purple below, always 
simple, toothed 6. P. longissimum. 
Leaves in old plants 3-5-foliolate. 
Stipules 0. Leaflets sessile. Styles 5 7. P. Lessonii. 
Stipules sheathing. Leaflets sessile. Styles 2 8. P. Colensoi. 
Stipules sheathing. Leaflets petiolate. Styles 2 9. P. arborenm. 
Stipules 0. Leaflets sessile. Styles 2 10. P. Sinclairii. 
1. P. simplex, Forst. ; — -FI. N. Z. i. 93. A small evergreen glossy 
tree, 12-20 ft. high. Leaves with slender petioles 1-3 in. long, coriaceous, 
very glossy, young 3-5-foliolate, older l-f'oliolate; leaflets 2-4 in. long, 
oblong- or obovate-lanceolate, subacute or acuminate, coarsely serrate, rarely 
entire, in young plants deeply sinuate-pinnatifid ; stipules 0. Umbels small, 
axillary and terminal, on peduncles shorter than the leaves, partial 10-15- 
