826 



IRIS 



keel and purple veins ; inner segments shorter, straight, 

 oblanceolate: style crests small. Central and S. Europe. 

 B.M. 58. 



Var. ndtha, Bieb. {I.lialoplifilUi,KeT.). Morerobust: 

 Ivs. 1 in. broad: spathes larger: stem 2-3 ft. high. Cau- 

 casus to Kashmir. Int. 1780 by Peter Pallas. B.M. 875. 

 — Hardy. 



SUBGENUS PARDANTHOPSIS. 



31. v6ma, Linn. Dwarf, 6 in. high: rhizome wide- 

 creeping: sheaths not splitting into libers: Irs. linear, 

 sliglitly glaucous, 3-8 in. long: stem scarcely any, 1- 

 headed: tube slender, IK in. long: limb deep violet ; 

 outer segments 1% in. long, obovate, narrowed into a 

 slender yellow, slightly pubescent claw; inner seg- 

 ments erect, smaller, violet. Shade, Ohio, Ky., Va. and 

 south. L.B.C. 19:1855. 



SUBGENUS EVANSIA. 



A. Stem very short 32. cristata 



AA. Stem equaling or exceeding the Irs. 



B. Pedicels much shorter than the 



spathe 33. tectorum 



BB. Pedicels as long as the spathe, and 



articulate at the apex 34. Milesii 



35. Japonica 



32. crist&ta, Ait. Plant dwarf : rhizome slender, 

 creeping; Ivs. ensiform, thin, 4-8 in. long, green: stem 

 1-3 in. high, flattened, 1-headed, bearing 2-3 Ivs.: tube 

 slender, lJ^-2 in. long: limb blue; outer segments obo- 

 vate, 1-1}^ in. long, crested; inner segments shorter, 

 naked. Apr., May. Mts. Ky., Va. and Carolinas. B.M. 

 412. Gn. 45, p. 127. L.B.C. 14:1360. 



33. tectbrum, Maxim. Fig. 1175. Lvs.lft.long.ensiform, 

 strongly ribbed: stem IH ft., subterete; heads on long 



■'C^^-' 



large, plain lilac, short-clawed. Sent to Eu. in 1872 by 

 Dr. Hance. Cult, in China and Japan. B.M. 6118. P.S. 

 22:2282. Gt. 716. Gn. 50:1086. 



34. Mllesii, Baker. Lvs. 'i 

 and 2-3 in. broad : stem 2-3 

 ft. high, branched, bearing 

 4-5 heads: fls. bright lilac, 

 lasting only a day; outer 

 segments oblong - cuneate, 

 claret-purple, whitish in the 

 center, spotted and veined 

 with lilac, furnished with a 

 deeply laciniated yellow 

 crest ; inner segments ob- 

 long, spreading; style crests 

 deeply toothed. Near / Ik 

 toritm, but inferior. Him.i 

 layas. B.M. 6889. 



35. Jap6nica, Thunb (7 

 Chiiiriisis. Curt. /. fiiiihii 

 Ata,yent.}. Fig. 1176. Lvs 

 ensiform, l-li4 ft. long 

 stem slender, as long as the 

 lvs., with a raceme of lilac 

 fls.: tube i^ in. long: outer 

 segments 1-1 K in. long, 

 with crimped margins, yel- 

 low on the claw, crested, //'^^y* 

 inner segments snidller 

 Winter. Japan and China 

 B. M. 373. Gt. 511. Gn 

 28:503. J. H. 111. 31 185 

 A.G. 12:704. F.R. 2:149 - 

 An evergreen greenhoust 

 plant. 



on tlio Mini. 2-3 ft. long 



1174 Japanese Iris (XX). 

 Iris Ictvigata, better known as I Ecempferi. No. 28. 



peduncles: tube 1 in. long: limb bright lilac; outer seg- 

 ments 2 in. long, obovate ; claw half as long as the blade, 

 streaked with violet, with a wavy edge and a large, la- 

 ciniate, white and lilac crest running up the claw and 

 half up the blade; inner segments spreading, nearly as 



1175 



tectorum (XH). 



SUBGENUS PSEUDEVANSIA. 



36. Alherti, Kegel. Lvs. ensiform, glaucous, lK-2 ft. 

 long: stem exceeding the lvs., bearing 5-6 heads in 

 a loose panicle; outer segments obovate cuneate, 2 in. 

 long, bright lilac, with a rudimentary crest and a dense 

 beard of white, yellow -tipped hairs, veined; inner seg- 

 ments as long and broader than the outer, with convolute 

 claws, lilac. Discovered in Turkestan bv Dr. Albert 

 Kegel. Gt. 999. B.M. 7020. 



SUBGENERA POGONIRIS AND REGELIA. 



A. Dwart: lvs. generally less than 

 9 in. long. 

 B. Pedicel obsolete, or ^'ery short. 

 C. Perianth tube 2 in. or more 



in length 37. pumila 



38. pseudo- pumila 

 CC. Perianth tube 1 in. or less 

 in length. 

 V. Stent 6 in. or more in 

 length. 

 E. Fls. blue, purpley 

 violet, etc. 

 F. Spathe valves green 

 or nearly so. 



G. Lvs. linear 39. gracilis 



GQ. Irvs. ensifonn.. AO. Balkana 

 41. biflora 

 F. Spathe valves en- 

 tirely scariose. . .i2. Cengialti 



EE. Fls. yellow 43. virescens 



44. lutescens 

 DD. Stem 2 in. or less in 

 length. 



E. Fis. blue 41. biflora 



EE Fls. yellow 45. Chamseiris 



BB. Pedicel (IS long as the ovary. 

 c. Sheaths not splitting into 



fibers ! 46. arenaria 



CO. Sheaths splitting into fibers.il. ilavissima 

 AA. Tall: lvs. generally more than 

 1 ft. long. 

 B. Stem S-6-headed. 



0. Fls. yellow 48. variegata 



49. flavescens 



