IRIS 



16. Oouglasi&na, Herb. Rhizome stout, short, creep- 

 ing: Ivs. about 6 in a tuft, broade^^t io Tli.- nii'MIn, 

 strongly ribbed, 1-2 ft. long: stem 1-:^ n IhlIi. u-iii!;, 

 simple, with one long bract leaf: tul - 



fls. 3-4 in. in diameter; outer seguu n! - 

 late, spreading and recurved, pale liLf . \\i;!i :( wlni- 

 disk and purple veins; inner segment.s .sh<.trter, erect, 

 lanceolate, acuminate, pale lilac, not veined. Calif. 

 B.M. 6083. Gn. 50:1086. 



17. fulva, Ker. (/. citprea, Pursh). Lvs. thin, bright 

 green. lK-2 ft. long, not exceeding the stem: stem 2-3 

 ft. high, forked low down ; lower stem-lvs. 1 ft. long: 

 pedicel produced : tube greenish yellow, 1 in. long: 

 limb loosely expanded, bright reddish brown or copper- 

 colored, variegated with blue and green; outer segments 

 obovate-cuneate, emarginate; inner segments smaller, 

 spreading. Late June. In swamps. 111. to Ga., La. and 

 Tex. Introduced into England 1811 by Lyon. B.M. 

 1496. Gn. 53:1175. Mn. 5:61. 



18. Pseudicorus, Linn. Lv-. r,-3 ft. long, equaling 

 the stem: stem stout, t.r.t.-, L'-:: tt., bearing several 

 long lvs. andseveral clii^i. IS "f lis.: limb bright yellow; 

 outer segments broadly olj'jvate, 2-2>.2 in. long, yellow, 

 with a bright spot and radiating brown veins on the 

 claw; inner segments scarcely longer than the claw of 

 the outer, oblong. May, June. Europe, Syria and the 

 Barbary states; naturalized in N. Y., Mass. and N. J.— 

 The plants form tine, large clumps, bearing numerous 

 tiowering stalks. Var. variegita, Hort. Lvs. striped 

 with creamy white. Var. pAUida, Hort. Fls. pale sulfur- 



19. versicolor, Linn. Lvs. slightly glaucous, l%-2 ft. 

 long: stem forked low down and often branched above, 

 2-3-headed: tube very short: limb violet-blue; outer 

 segments spatulate, 2-3 in. long, variegated with yellow 

 on the claw and veined with purple; inner segments 

 oblanoeolate. much smaller. British N. A. and northern 

 U. S. Int. into Eng. lT.i2. B.M. 21. G.W.F. 5. D. 89. 



20. hexigona, Walt. Lvs. 2-3 ft., long: stem usually 

 simple, 3 ft. long, 2-3-headed, with several large lvs., 

 the upper ones exceeding the fls.: spathe valves some- 

 times leaf-like: tube 1 in. long, green, dilated upward: 

 limb bright lilac; outer segments 3 in. long; blade obo- 

 vate, with a bright yellow keel on the claw; claw 

 downy; inner segments shorter, erect ; style branches 

 very {■oncavc, green, with a central lilac band. Ky. to 

 Tex. and Fhi. B.M. 6787. 



21. Caroliniina, S. Wats. Lvs. 2-3 ft. long, bright 

 green: stem stout, simple or branched: tube /-a in. long: 

 limb lilac, variegated with purple and brown ; outer 

 segments broadly spatulate, 2M-3 in. long, with narrow 

 claws; inner segments narrower, nearly erect. Differs 

 from /. versicolorhj its green lvs. Discovered by W. A. 

 Manda in N. Car. G.F. 6:335. 



22. setdsa, Pallas. Lvs. thin, green, 1-1 J^ ft. long : 

 stem deeply forked, much exceeding the lvs. : tube J^ in. 

 long: limb bright lilac; outer segments 2-2J^iu. long; 

 blade 1 in. broad, suddenly narrowed at the claw, co- 

 piously veined; inner segments very small, ^ in., cu- 

 neate, large-cuspidate; style branches large, crested. 

 E. Siberia, Japan, and northwestern Amer. B.M. 2326. 

 Gt. 322. 



23. GueldenstoBdtiana, Lepech. Lvs. pale green, 1-lK 

 ft. long: stem stout, terete, lK-2 ft. long, often bearing 

 1-2 spicate clusters below the end one: limb pale yel- 

 low; outer segments with an orbicular blade ^~% in. 

 broad, shorter thau the claw, which has a bright yellow 

 keel and faint lilac veins; inner segments shorter, 

 erect. Asia.-Var. SogdUna, Baker. A variety with 

 gray-lilac flowers. 



24. aiirea, Lindl. Lvs. scarcely glaucous, lK-2 ft. 

 long: stem 3-3!-2 ft. long, stout, terete, with 1-2 sessile 

 clusters below the end one: spathes 2-.'i-tl(l.: iie<Iicel 



long: limb bright yellow; outer si-i; n;- .\iili ui "I. 



Utng t>la<le 1 in. broad, as long as tin . ' . j 



ments less than ^., in. broad. .Julv. \^ ■ ![ : > . 



B.K.3:i:.j9. Gn. 31:579. -Int. bv Dr. li<A .r. I m- ., irs 



has brighter yellow fls. than the others ul ilii» group 

 (18-21). 



25. MonniSri, DC. Lvs. slightly glaucous, 2-3 ft. long: 

 stem stout, terete, 3-4 ft. long, with several sessile clus- 







1173 Habit sketch of Ins orientahs (XI -0) No. 26. 



26. orientals, Miller (/. ocliroUiiea, Linn. /. gigan- 

 (e«,Carr.). Fig. 1173. Plants growing in strong clumps: 

 lvs. 2-3 tt. long, slightly glaucous : stem 3-4 ft., stout, 

 terete, with 2-3 spicate clusters of fls. : outer segments 

 obovate, 1 in. broad, as long as the claw, yellow, paler 

 or white toward the margin ; inner segments oblong, 

 1 in. broad, lemon-yellow to whitish. Asia Minor and 

 Syria. B.M. 61. Gn. 20:301; 38:779; 46, p. 362 and 50, p. 

 186. R.H. 1875, p. 357.-One of the largest of the Irises. 

 Grows in almost any situation. White forms of this 

 plant are in cultivation. 



27. foetidissima, Linn. Gladwin. Lvs. 1-lK ft. long: 

 stem compressed, 2-3 ft. long, 2-3-headed : tube % in. 

 long: limb bright lilac; outer segments lH-2 in. long, 

 with a suborbicular blade equaling the claw ; inner seg- 

 ments shorter, oblanceolate. Central and S. Eu., Eng., 

 Afghanistan and Algeria. Gn. 47, p. 30. -This plant is 

 very distinct, and is easily recognized by the odor of the 

 broken lvs. The capsules remain on the plants in win- 

 ter, bursting open and displaying rows of orange-red 

 berries. The fls. are rather inconspicuous. There is a 

 whitish variety with brown veins, and a variety with 

 white-striped lvs. 



28. \sBvigkta, Fisch. & Mey. (7. Kampferi, Sieb.). 

 Japanese Ikis. Fig. 1174. Lvs. thin, ensiform, 1-lX 

 ft. long : stem much overtopping the lvs., obscurely 

 angled, 1-3-headed : pedicel 3^-2 in. long: tube short: 

 limb blue, violet, etc., sometimes white, spreading, 3-5 

 in. across; outer segments broadly ovate-oblong, obtuse, 

 with a yellow spot on the claw ; claw short, distinct; 

 inner segments oblanceolate, erect, conniving or spread- 

 ing: style branches with bifid, incurved lobes. E. Si- 

 beria and Japan. Int. by Von Siebold, and flowered at 

 Ghent in 18.57. B.M. 6132. I.H. 5:157. P.S. 20:2073-74; 

 23:2431-30. Gt. 442. Gn. 9:21; 16:195; 21:341; 55, p. 

 105. R.H. 1890, p. 188. G.C. III. 13:165, 169 ; 14:501. 

 A.G.19:596. Gng. 1:256; 5:163; 6:339; 7:145. J.H. III. 

 28:205. F.E. 10:777. F.M. 1874:137; 1880:403. 



29. TrojSina, Kerner. Lvs. very acute, glaucescent: 

 stem over 3 ft. high, much brauciicd and ovt-rtopping 

 the lvs.: pedicel none : rts. brii,'lii vi.drt |.ui|il.'; outer 



segments obovate: blade longer tlian tl I:iw ; claw 



white, bordered with yellow and v. in. -d with l.rown-pur- 

 ]>\v: innnr segments elliptic, suddenly narrowed to a 

 I law: stylr crests broad, denticulate. Troad, Asia Minor. 



:;o. spuria, Linn. Lvs. firm, linear, glaucescent, 1 ft. 

 IdiiL: : sTt'iii overtopping the lvs., bearing 1-3 spicate 

 heads : pedicel shorter than the spathe : tube l4-% 

 in. long: limb bright lilac; outer segments with an 

 orbicular, spreading blade )-< in. broad and half as long 

 as the claw; claws broad, concave, lilac, with a yellow 



