24S 



ALLIUM 



ALLIUM 



157. AUiiun Moly. (Plant X li) 



A. Group /, comprising Ihe vegetable-garden species. 



B. Li's. terete anil hollow. 



c. Plant cespitose (in litfts or clumps) and perennial. 



1. Schoen6prasum, l.inn. Chives or Civks. Lvs. 



4-ti in., very nuuiy, slender and awl-.slmped : scapes 



equaling the lvs.; fls. light purple, small and many iii a 



globular head. V,u. 

 — The lvs. ar(> used 

 for sejisoninn, grow- 

 ing readily as the 

 herbage is cut. Var. 

 sibiricum, llartni., 

 is a large form in 

 northern N. .\nier. 



cc. Plants not in 

 tnats, treated 

 practically as 

 annimls [except 

 perluips No. 6). 



2. Cepa, Linn. 

 Common Onion. 

 Tall, with large 

 tubular lvs.: scape 

 glaucous, much 

 overtopping the 

 lvs., swollen near 

 middle; fls. white or 

 bluish in a large 

 globular head-like 

 umbel: bulb not 

 making many off- 

 sets, distinctly 

 rounded at top and 

 bottom. Var. bul- 

 bellifera, Bailey, 

 has bulbels in the 



place of fls., — the top, tree or Egyptian onion. Var. 



multiplicans, Hailey, has dividing bulbs, — the multiplier 



onion. Persia and adjacent regions. 



3. fistuISsum, Linn. Welsh Onion. Fig. 156. Dif- 

 fers in having no distinct bulb, but only an enlarged 

 base or crown: lvs. usually more clustered. Siberia. 

 B.M. 12:i(). 



4. ascaldnicum, Linn. Shallot. Smaller, 1 ft.: lvs. 

 many, awl-shaped: fls. lilac: bulbs long and pointed, 

 each one soon separating into many cloves or parts 

 adhering to a common disk. Syria. 



BB. Lvs. not hollow, more or less plane. 



5. sativum, Linn. Garlic. Plant 12 in. or less: lvs. 

 very narrow, keeled: fls. purple, often replaced by 

 bulbels: bulbs small, breaking up into many small ones 

 that are more or less covered with the dry scales. Eu. 



6. P6rTum, Linn. Leek. Stout plant, 2 ft. or more: 

 lvs. ver\' broad and strongly conduplicate or keeled: 

 Bcape arising the second season; fls. white or blush: 

 bulb simple and scarcely more than an enlargement of 

 the stalk. Eu. 



AA. Group II. The garden alliums, mostly exotic. 

 B. Fls. yellow. 



7. Mdly, Linn. Fig. 157 Lvs. flat, broad: fls 

 merous, in a dense umbel, in early spring. S. Eu. 

 B.M. 499. — Well known, and a favorite for mass- 

 ing; common in rock-gardens. Hardy in the N. 



BB. Fls. while or whitish. 

 c. Lvs. very broad, obtuse. 



8. victoriaiis, Linn. Tall : lvs. ovate or broad- 

 oblong, short: fls. greeni.sh white, in large heads. 

 Spring. Siberia. B.M. 1222.— Hardy. 



cc. Lvs. narrow, acxde or tapering. 



9. neapolitdnum, Cjt. Fig. 1.58. Lvs. long 

 and rather narrow, loo.se-spreading, shorter than 



the scape: fls. large, pure white, with colored stamens 

 on long pedicels. Eu. — Needs protection if grown 

 outdoors. Much used for cut-flowers in winter and 

 spring. The most popular species. A. H ermellii grandi- 

 fldrum, recently intro. from Holland, is a clear white 

 odorous variety, well adapted to forcing. 



BBB. Fls. pink, rose, or lilac. 

 V. Scgms. with recurved lips. 



10. acuminatum. Hook. Scape 4-10 in.: lvs. 2-4, not 

 longer than the scape, very narrow: umbel many-fld., 

 perianth segms. a third longer than the stamens, the 

 inner ones serrulate. W. Amer. 



cc. Segms. not recurved. 



11. roseum, Linn. Scape 12-18 in. : lvs. narrow, with 

 inroUed tips: fls. few (10-12), on long pedicels in an 

 open umbel. S. Eu. B.M. 978. 



12. senescens, Linn. Scape 1-2 ft.: lvs. narrow, erect, 

 often twisted: fls. rather small, numerous, in a rather 

 dense head. Eu. B.M. 1150. 



13. Ellisii, Hook. f. Lvs. 4-5, 1 ft., 2"2 in. wide, 

 glaucous green: scape 1 ft., very stout, being Jain, 

 diam. ; fls. rose with white toward the base, wide-spread- 

 ing, 1 1'2 in. or more long and stiff and erect in fr. Persia. 

 B.M. 7875. 



14. albopilosum, C. H. Wright. Very robust: lvs. 

 strap-shaped, 13-4 in. wide, 18 in. or less long: scape 1 ft. 

 as many as 80-fld. ; fls. deep lilac with metallic sheen, the 

 segms. nearly 1 in. long, rigid after flowering. Persia, 

 etc. B.M. 7982. G.C. IIL 34:40.— Probably the lar- 

 gest-fld., and most imposing garden species. 



AAA. Group III. Native alliums, sometimes advertised. 



The species in Group II, comprise those that are 

 likely to be in general cultivation. Aside from these 

 there are various native species, mostly from western 

 America, which are offered by dealers in American 

 plants. These are recorded below. 



B. Bulbs clustered, narrowly oblong: scape terete. 

 C. Lvs. elliptic-lanceolate, 2 or 3. 



15. tricoccum. Ait. Common Wild Leek. Fig. 159. 

 Fls. greenish white on scape 4-12 in. high in early spring. 

 Grows in clumps. New Eng. to Wis. and N. C. 



cc. Lvs. linear, flat or channelled. 



16. cemuum, Roth. Fls. rose- 

 .\^2'\ !■ fclLjfC ■ colored or white, in open, nod- 

 i^''i . -^ t*,' jCS ding umbels. Alleghanies and W. 



17. validum, V\'ats. Fls. rose- 

 colored or nearly white, in dense 

 erecti.sh umbels: scape 1-2) 2 ft., 

 very stout. Nev., Cahf., Ore. 



18. hasmatochiton, Wats. Fls. 

 deep rose, in a small, erect umbel: 

 bulb-coats deep red: scape 1 ft. 

 or less high. Calif. 



BB. Bulbs usually solitary, globose 

 to ovate: scape terete or 

 nearly so. 

 c. Coats (if l)ulbs fihrou.'i. 



19. reticulStum, Fraser. Scape 

 3-8 in.; fls. white 

 to rose, with thin 

 segms. W. Amer. 

 B.M. 1840, as A. 

 stellatum. 



20. Ge^eri, Wats. 



A foot high, stouter: fls. 



rose, with broad acute 



'■f{.'- strongly nerved segms. 



58. Allium neapolitanum. (X]4) W. Amer. 



