IRIS FAMILY. 



3. Iris Caroliniana S. Wats. Carolina 

 Blue Flag. (Fig. 1071.) 



Iris Caroliniana S. Wats, in A. ('.ray, Man. Kd. 6, 514 

 1890. 



Rootstock stout, fleshy. Stem rather stout, simple 

 or branched 2-3 tall, equalled or exceeded by the 

 bright green leaves which are 8 // -i^ / wide; flowers 

 solitary or 2 or 3 together, lilac, variegated with yel- 

 low, purple and brown, pedicelled; pedicels somewhat 

 shorter than the bracts; outer perianth-segments 

 broadly spatulate, 2%'-$' long, with narrow claws, 

 the inner narrower and nearly erect; perianth-tube 

 about y,' long above the ovary; capsule oblong, ob- 

 tusely 3-angled, i>^ / -2 / long; seeds in i row in each 

 cavity, 4"-5" broad. 



In swamps, southern Virginia and eastern North Caro- 

 lina. May-June. 





4. Iris Hookeri IVnny. Hooker's Blue 

 I-'lag. (Fig. 107 



Iris Hookeri Penny ncncl. Kd. . Part I. 



822. 1840. 



Rootstock rather slender. Stem* slender, ttmplc 

 or branched, terete, io'-jo' tail. Leave* mostly 

 basal, narrowly linear, bright green, shorter than 

 or equalling the stem, 2" 4" wide; flower* solitary 

 or 2 together, pedicelled, the pedicels shorter than 

 the bracts; perianth -segments glabrous, ruXlM, 

 the inner ones oblanceolate, much shorter and 

 smaller than the outer; capsule abort oblong 

 i l /2 ' long, 7"-io" in diameter, thin-wmlkd. tran 

 versely veined, obtusely j-lobed; seeds in a rows in 

 each cavity, about i#" broad. 



On river -ln.res. Nfwf<>tin<lUnd to Qnebrc and 

 Maine. Summer. 



5. Iris Missouriensis Xutt. Western 

 Blue Flag. (Fig. 1073.) 



Iris Missouriensis Nutt. Journ. Acad. Phila. 7: 58. 

 1834. 



Rootstock stout. Stem rather slender, usually 

 simple, terete, 6 x -2 tall, i-2-flowered; leaves 

 mostly basal, green, sometimes purplish below, 

 shorter than or about -equalling the stem, 2" -4" 

 wide; flowers pale blue and variegated, pedicelled; 

 pedicels slender, >^ / -2 / long, usually shorter than 

 the scarious bracts; perianth-segments glabrous, 

 crestless, the outer ones 2 / -2>^ / long, the inner 

 somewhat shorter, the tube 3"-4" l D g above the 

 ovary; capsule oblong, I'-i^ 7 * on g> about #' in 

 diameter, obtusely 6-angled, faintly veined. 



In wet soil, South Dakpta to Montana and Nevada, 

 south to Colorado and Arizona. May-July. 



