192 



ACANTHOLIMON 



ACANTHOPANAX 



the petals at the base united to form a ring around the 

 stamens; calyx tubular, the tube 10-ribbed. Boissier 

 describes 74 species in the Flora Orientalis. See A. 

 Bunge, Die Gattung Acantholimon, St. Petersburg, 

 1872. 



The acantholimons are dwarf, tufted herbs, with 

 sharp-pointed, rigid leaves; less common than Statice 

 and Armeria, from both of which it is distinguished by 

 its sharp-pointed leaves. An oriental genus of slow- 

 growing and sun-loving plants for rockeries and sandy 

 places. Most of them can be grown in the open border, 

 A. glumaceum particularly, but they prefer warm, 

 sunny situations in the rock-garden. 



Propagation is best effected by cuttings taken in 

 late summer and kept in a coldframe, protected from 

 the frost, over winter. Layering is also a quicker 

 method of propagation. 



acerosum, Willd. Woody, low perennial, with glau- 

 cous, spotted foliage: Ivs. thick, 2-3 in. long, long- 



calyx teeth all spinulose-tipped; corolla exceeding the 

 calyx. Prop, by seeds in spring under glass. 



ilicifolia, Gray. Height 6 in.: Ivs. petioled, ovate, 

 coriaceous, coarsely crenate-dentate: fls. 3-8 in a 

 whorl, chiefly rose or purplish rose, with yellow and 

 white marks. Calif. B.M. 6750. Intro. 1891. Less 



desirable than Lamium, which see. 



. TAYLOR.! 



so. Acanthopanaz 

 ricinifolium. (XJi) 



pointed, flatly 3-angled, the margins rough: scape 

 longer than the Ivs., topped by a laxly many-spiked fl.- 

 cluster; petals white. E. Medit. region. Most suita- 

 ble for rock-garden. Scarcely grown in Amer. 



glumaceum, Boiss. (Sldtice Arardtii, Hort.). Fig. 79. 

 Height 6 in.: Ivs. green: fls. small, rose, on 1-sided 

 spicate racemes, 6-9 in each short, dense racemelet. 

 July-Sept. Armenia. F.S. 7:677. Gn. 31:350. R.H. 

 1891, p. 489. 



venustum, Boiss. (Armeridstrum dianthifdlium, O. 

 Kuntze). About 8 in.: Ivs. gray-green, very stiff: fls. 

 larger than the last, rose, 12-20 in each long, loose 

 spikelet. July-Sept. Asia Minor. R.H. 1866:450. 

 Gn. 13:186. B.M. 7506. Gn. 53, p. 405. 



A, K6tKchyii, Boiss. Fls. white, rising well above the Ivs. Cilicia. 

 A. melan&nthum, Boiss. Short dense spikes; sepals violet or 

 blackish-margined. Persia. -M- rp yijOR t 



ACANTHOMINTHA (from Greek words for a prickle 

 or thorn, and mint). Labiatx. THORNY MINT. A genus 

 of only 2 species of tender annuals, with the habit of 

 I. Minium. Its chief interest is botanical, the nearest 

 relative of the genus being the Brazilian genus Glechon. 

 Calyx tubular-campanulate, 13-nerved, and with the 



ACANTHONEMA (Greek combination referring to 

 the spinous processes on the filaments) . Gesneracese. A 

 monotypic genus, comprising A. strigosum, Hook, f., from 

 Trop. Afr., closely resembling Streptocarpus: hothouse 

 perennial with small fls. dark purple on the limb and 

 otherwise white, in panicles 2 in. or less high arising from 

 the base of the solitary prostrate narrowly oblong If. 



ACANTHOPANAX (acanlhos, thorn, and panax, a 

 prickly panax-like plant). Araliacex. Including Kalo- 

 pdnax and Eleulherocdccus. Hardy trees or shrubs, cul- 

 tivated chiefly for their ornamental foliage. 



Branches and sts. usually prickly: Ivs. alternate, 

 long-petioled, palmately lobed or digitate, deciduous: 

 fls. small, usually greenish, perfect or polygamous, in 

 umbels, sometimes forming large terminal panicles; 

 calyx-teeth minute; petals and stamens 5, rarely 4; 

 ovary 2-5-celled; styles 2-5, free or connate: fr. a 

 black, 2-5-seeded berry. More than 15 species in Cent. 

 and E. Asia and in the Himalayas. 



The members of this genus are trees or 

 large shrubs with stout, usually prickly 

 branches and large, palmately lobed or 

 digitate leaves, small greenish flowers in 

 umbels, sometimes forming large terminal 

 panicles, followed by small black berries. 



For cultivation of Acanthopanax, see 

 the genus Aralia. The species described 

 below are hardy except A. pentaphyllum, 

 which is tender north of Massachusetts, 

 and A. trifoliatum and A. setchuenense, 

 which are probably still more tender. 



Propagation is by seeds, to be sown as 

 soon as received, or stratified and sown in 

 spring; they germinate irregularly and 

 may lie two years; also propagated by 

 root-cuttings with bottom heat, and by 

 soft-wood cuttings taken from forced plants; A. penta- 

 phyllum grows also from cuttings of ripened wood. 



A. Lvs. simple, palmately lobed. 



ricinifolium, Seem. (Kalopanax ridnifblium, Miq. A. 

 ricinifolium var. magnificum, Zabel. A. acerifblium, 

 Schelle). Fig. 80. Sparingly branched tree, to 80 ft.: 

 branches and sts. with numerous stout prickles: Ivs. 

 5-7-lobed, 9-14 in. in diam., lobes triangular-ovate, 

 acuminate, serrate, glabrous or nearly so: infl. com- 

 pound, terminal, large; styles 2, nearly connate. Japan. 

 S.I.F. 2:56. G.W. 11:537. Var. Maximowfczii, 

 Schneid. (Aralia Maximowiczii, Van Houtte). Fig. 81. 

 Lvs. deeply 5-7-lobed, with oblong-lanceolate lobes, 

 downy beneath. Japan. F.S. 20:2067. M.D.G. 1897: 

 233. Very ornamental trees of striking subtropical 

 effect. 



AA. Lvs. digitate. 



B. Fls. short-pedicelled. 



sessiliflorum, Seem. (Panax sessiliflbrum, Rupr. & 

 Max.). Shrub with stout upright branches, to 12 ft.: 

 branches with only few prickles: Ifts. mostly 3, obovate- 

 lanceolate or oblong-lanceolate, cuneate, acuminate, 

 3-7 in. long, irregularly crenate-serrate, nearly smooth: 

 fls. dull purplish, nearly sessile, in globular heads on 

 stout, downy peduncles, usually several at the end of 

 the branches. Manchuria, N. China. G.C. III. 

 22:339. Gt. 11:369. The freely produced heads of 

 black berries are decorative. Var. parviceps, Rehd. 

 Lower and denser: Ivs. elliptic, 2-3 in. long: heads 

 smaller, usually solitary. 



