SUPPLEMENT. 
483 
ACANTHOMINTHA (from acanthos, a spine, in | 
allusion to the spiny-toothed bracts, and Mentha, Mint, | 
as the plant was formerly included under Calamintha). | 
Orp. Labiate. A monotypic genus. The species is a | 
small, glabrous, half-hardy annual, requiring ordinary cul- 
tivation. 
A, ilicifolia (Holly-leaved). fl. three to eight ina whorl in all 
the upper axils ; whorls subtended by opposite bracts, which are 
larger than the leaves and spiny-toothed ; calyx tubular, bilabiate ; 
corolla in. long, the upper lip white, small, the lower one 
purple, with a yellow throat, four-lobed. July. J. petiolate, 4in. 
to lin. long, rounded or ovate, with a cuneate base, coarsely and 
bluntly toothed. Branches ascending, 6in. to 8in. long. Cali- 
fornia, 1883. (B. M. 6750.) 
ACANTHOPANAX (from acanthos, a spine, and 
Panax; alluding to the spiny stems and Panax-like aspect 
of the plants). Orp. Araliaceew. A genus embracing about | 
eight species of stove or greenhouse, glabrous or tomentose | 
shrubs (rarely trees?), natives of Japan, China, and 
tropical Asia. Flowers polygamous or hermaphrodite ; 
petals five, rarely four, valvate ; stamens five, rarely four, 
the filaments filiform; pedicels continuous with the | 
flowers; bracts small or wanting; umbellets paniculate | 
or almost solitary. Leaves palmately cleft, digitate, or 
one-foliolate. Only two species call for mention here. 
A. ricinifolia (Ricinus-leaved). The correct name of the plant 
described on p. 104, Vol. I., as Aralia Maximowiczii. 
A. spinosum (spiny). The correct name of the plant described on 
p. 104, Vol. L., as Aralia pentaphylla. 
ACANTHUS. 
tropical and sub-tropical regions, are included in this 
genus. To those described on pp. 8-9, Vol. I., the following 
should now be added : 
inhabiting | 
| 
| 
A. Caroli-Alexandri (Charles Alexander’s). jl. white, often 
| 
About fourteen species, 
suffused rose-colour, in a dense spike. Summer. J. few, radical, 
in a Jax rosette, lanceolate, pinnatifid, spiny-toothed, 16in. long, 
Sin. to 4in. broad. Stem Yin. to 18in. high, with two to four 
similar leaves. Greece, 1887. (R. G. 1886, pp. 626-635, f. 73-75.) 
ACER. The species of this genus number about fifty, 
and are found in Europe, North America, North Asia, Java, 
and the Himalayas. To those described on pp. 9-11, Vol. I., 
the following should now be added: 
A. colchicum tricolor (Colchican, three-coloured). 
of A. pictum tricolor. | 
A. Heldreichii (Heldreich’s). . in small, terminal panicles, | 
which are shorter than the leaves, /. smal], palmately five-lobed ; 
lobes obtusely dentate, acute, the middle one cuneately tapering 
toits base. Greece. (G. C. n.s., xv., p. 141; R. G. 1185.) 
A. insigne (remarkable).* jl. green, jin. in diameter; panicles 
pyramidal, terminal, Sin. to 4in. long, appearing with the leaves. 
May. 1. Sin. to 6in. in diameter, rounded-reniform, palmately 
divided to the middle into five to seven oblong, acute, coarsely 
and obtusely serrated lobes, glabrous above, more or less 
tomentose beneath. Persia. The latest of all the Maples to come 
into leaf. (B. M. 6697.) Syn. A. velutinwm. 
A. pictum tricolor (three-coloured). J., young ones of a bright 
violaceous-red, irregularly shading off here and there into all 
tints of dark red or crimson to creamy-white. 1886. Garden 
variety. SYN. A. colchicum tricolor, 
A. platanoides compactum (compact). 
producing a compact, round head. 1886. 
A. p. integrilobum (entire-lobed). This only differs from the 
Poe in paving the lobes of the leaf entire. (R. G. 1887, p. 431, 
A. p. Reichenbachii (Reichenbach’s). J. large, changing in the | 
autumn to a deep crimson-red, varying to yellow and brown. | 
A. p. undulatum (wavy). 7. bullate, with very wavy, crisped 
margins. A curious and interesting variety. 
A. velutinum (velvety). A synonym of A. insigne. 
ACHILLEA. Upwards of 100 species have been 
described by botanists (but, according to the authors of the 
“Genera Plantarum,’ the number may be considerably 
reduced): they inhabit Europe and Western Asia. Leaves 
alternate. To the species described on pp. 11-12, Vol. L., 
the following should now be added : 
A, rupestris (rock-loving).* _/l.-/eads white, greenish towards the 
centre, pedicellate, sin. to jin. broad; corymbs lin. to l}in. in 
diameter. May. J. on the shoots rosulate, jin. to }in. long, 
linear-spathulate, entire ; cauline ones similar, scattered, spread- | 
ing. Rootstock tufted. Southern Italy, 1886, (B. M. 6905.) 
A synonym 
An ornamental variety, 
ACHIMENES. About a score species, all tropical 
American (from Brazil to Mexico), are ineluded in this 
genus. To the species and varieties described on pp. 12-14, 
Vol. I., the following should now be added: 
Fic. 1, FLOWERING BRANCH OF ACHIMENES TUBIFLORA. 
A. tubiflora (tubular-flowered).* jl. pure white; corolla tube 4in. 
long, a little enlarged and curved upwards, witha broad gibbosity 
at base, the limb lhin. broad, equally five-lobed; pedicels 2in. 
long; panicle several-flowered. Summer. JU. opposite, oblong, 
acuminate, reticulated, downy, obscurely crenate ; petioles short 
and thick. Buenos Ayres. See Fig. 1. Syns. Dolichoderia tubi- 
fora, Gloxinia tubijlora (B. M. 3971; B. R. 1845, 3). 
ACINETA. This genus comprises about eight species, 
natives of tropical America (from Colombia to Mexico). To 
those described on p. 14, Vol. I., the following should now 
be added: 
A. Hrubyana (Hruby’s). /l. ivory-white, disposed in loose 
racemes ; lip marked with a few purple spots, and having narrow, 
erect side lobes. New Grenada, 1882. A fine and distinct species. 
A. Humboldtii fulva (fulvous). /l. tawny-yellow, dotted all 
over with purplish-brown ; lip of a brighter yellow, spotted with 
dark purple. A handsome variety. 
A. H, straminea (straw-coloured). /l. pale straw-yellow, with 
very few spots. New Grenada. 
ACONITUM. According to Bentham and Hooker, the 
number of distinet species is only about eighteen, many of 
the plants described on pp. 15-17, Vol. I, being mere 
varieties. They are chiefly mountain plants, spread over 
