102 



ARUM 



ARUNDO 



blade oblong-triangular or ovate-triangular : spathe 

 tube pale within, the limb 6-8 in. long, lanceolate-oblong, 

 and colored with large lenticular purple spots : spadix 

 short, included. Asia Minor. — Runs into many forms, 

 with variously marked spathes. Pots. 



3. detrunc&tum, Meyer. Lvs. more or less truncate at 

 the base, the bla<ie shorter than in the last : yellowish 

 green and purple-spotted, large (10-15 in. long) and 

 short-stalked, the limb acuminate. Persia. —Hardy. 





146. Arum Itahcum (X W 



4. Falsestinum, Boiss. (A. sanctum, Hort.). Black 

 Calla. Solomon's Lily. Lvs, cordate-hastate, 6 in. 

 broad across the base and about equal in length, the 

 middle lobe broad-ovate and nearly blunt : spathe about 

 the length of the leaf, with a short green tube, and an 

 elongated lance-oblong-ta]irring limb, which is greenish 

 on the outside and coptinuuus black-purple within, the 

 tip sometimes recurving : spadix shorter than the 

 spathe, the upper part dark colored, Palestine. B.M. 

 5509. Gn. 45, p. .311. — Perhaps the most popular Arum at 

 present, being grown in pots as an oddity. 



5. orientile, Bieb. A foot high : lvs. brownish, 

 broadly hastate-sagitate, the front lobe oblong-acute : 

 spathe tube oblong-ovoid and wliito within, the limb 

 ovate to oblong and intense lil^nk |iur|i|i- (rarely pale), 

 resembling A. viarnlatnm. — A iinnly s[.i .ii-s from Asia 

 Minor, running into many fcirnis. Simic' of the plants 

 referred here are A. nigrum, variohrfum, JVordmanni, 

 gratum, Schott, ; A. eJongatuni and A. albispafhum , 

 Steven (not A. albispathum, Hort., which is A. Ital- 

 icum). 



BB, Tuber ovoid or oblong, propagating horisonfallij, 

 the lvs. and perhinrh's arising from the a.pt'x : 

 lv!>. appearhuj b* fore iir iciflt the spathe. 



6. maculitum, Linn. (.1. r/(?i/.(rr. Lam.). Lords-and- 

 Ladies. Cuckoo Pint. \Vake Robin (in England). 

 About a foot high : lvs. usually black-spotted, hastate 

 or sagittate, the front lobe triangular ovate, about as 

 high as the spathe : the spathe swollen at its base, the 

 margins of the lance-ovate limb becoming inrolled, 

 spotted with purple : spadix shorter than the spathe, 

 purple, Eu. — A hardy species, of many forms. A form 

 with spotless lvs. and a whitish tube with a medial pur- 

 ple zone, is A. immiiculfitum and Zelehbri, Schott. 



Var. angustitum, Engler, has a narrow light-purple 

 spathe (.1. ml, rwhUum, Schur, A. Mdliji, Schott.). 

 Var. alplnum, Kiigler (A. alplnum, Schott. & Kotschy) 

 has peduncles longer, and an ovate-lanceolate spathe. 



7. Itilicmn, Miller (A. cylindr&ceum, GasJ).). Fig. 

 UC). Larger than the last : lvs. hastate, nearly truncate 

 below, light-veined : spathe scarcely swollen below, the 

 limb erect and not expanding and including the short 

 spadix (tip sometimes deflexed after dowering). Yel- 

 lowish or white and faintly striate. Eu. B.M. 2432, -A 

 hardy sjiecics ; also grown in pots. In the open, the 

 lvs. upjM-ar in the fall. A very variable species, Var, 

 Canari6nse, Kngler (A. Cnnarifnse, Webb. & Berth.), 

 has narn^w Iraf-lnbrs and sp.ithc. Var. concinnitum, 



Engler [ A . <.<liri „i,rtl,i,n :ili.l iHnymnn'lt,,,,, . Si-liott.), 



has brciail i;i;i\ spothd 1\ s. V;ir. Byzantlnum, Kngler, 

 (A. BiiS'iiil'iiiiiin, Sclictt.!. lias spatlie tul)e oblong, 

 white inside and purple at the inoutli, and an acuminate 

 purple or green limb. Var. albispathum, Hort., has a 

 white spathe. l_ jj^ g^ 



ARCNCUS (old name). Mosdeece. Tall perennial herbs, 

 often ri'fcrred to the genus Spirffia, with numerous small 

 dio'i'ious white ils. in panicled spikes : stamens many ; 

 pistils commonly 3. Two species,American and Japanese. 



Sylvester, Kost. {Spirwa Anincus, Linn.). Tall (5-7 

 ft.), erect branchy herb : lvs. large, 1-2-pinnate, of 3-7 

 ovate Ifts.: follicles deflexed in fr. Rich woods, N.Amer., 

 N. Eu. and Asia.— A desirable hardy border plant of 

 easy culture. 



astilboides, Maxim. {Spir7Fa Arihieiis.\a.r.astilbo1des, 

 .Maxim. ,S. .tsllll,,,;,!,'.'!. H..rt. Aalilhe ,ixlllbo)des, Le- 

 nioiuc,(iu. IS, i...!.',.'i-(;). Dwarfcr and ninre graceful than 

 the above (2 ft.): pedicels erect in fr. Japan. -Neater than 

 the American species. SeeAstilbe for illustration. 



AKITNDINAKIA. See Bamboo. 



ARUNDO (Latin, rcerZ). G-raminent. Tall leafy per- 

 ennial grasses resembling bamboos, 5-15 ft. high, or 

 even 30 ft. in favorable locations. Lvs. broad and grace- 

 fully arching : sts. leafy to near the top, terminating in 

 an immense plume 1-2 ft. long : spikelets long and 

 pointed. 



Donax, Linn. Giant Reed, Figs. 147, 148. Towering 

 straight stems 8-30 ft. high, which grow very rapidly, 

 clothed with broad, pointed leaves at regular intervals. 

 Grown for lawn decoration and to conceal unsightly ob- 

 jects. In some countries used for laths, woven work 

 and thatching, and the 

 roots as a diuretic. The 

 tall, showy plumes are 

 reddish at first and last 

 a long time. Mediter- 

 ranean, Orient. Gn. 1. 

 p. 391; 3, p. 493; 8, p. 

 199; 17, p. 407. P.(;. 

 3:2. Var. yarieg^ta, 

 Hort. (var. versicolor. 

 Hort.). Much dwarf er 

 and less hardy than 

 the type, usually 4-7 or 

 even 12 ft. high, with 

 elegant longitudinal 

 stripes of creamy white 

 and green. Gt. 39, p. 

 209. F. 8. 14:1425. Var. 

 macrophylla, Hort.. 

 has large, very glau- 

 cous lvs. 



conspicua, Porst. f. 

 A rare and handsome 

 form, bearing silky 

 white fls., which are 

 beautiful for months. 

 Less hardy than A . 

 DoiHix, and with nar- 

 rower lvs. Lvs. 2-4 ft. 



long, very slender, involute, coriaceous, deeply chan- 

 neled ; upper surface, margins, and long, slender point 

 roughish. N. Zeal. B.M. 6232. Gn. 18, p. 479 ; 49, p 

 229. P. B. Kennedv 



147. Arundo Dona 



