334 nas familt. 



« » Taller: the several-flowered often branching stems l°-3°high! tube of the 

 flower short : the outer divisions naked, beardless, and all but one creslless ; 

 the inner very much smaller: fl. late spring and early summer, in swamps. 



1, Virginiea, Slender Blue Flag. Slender; with very narrow linear 

 leaves, and blue flowers with some white (barely 2' long), on slender peduncles, 

 with hardly any tube beyond the 3-angled ovary. 



I. versicolor, Lakger Blue-Flag. Stout ; stem angled on one side; 

 leaves sword-shaped, |' wide; flowers light blue variegated with some yellow, 

 white, and purple, hardly 3' long, the inflated tube shorter than the obtusely 

 3-angied ovary ; pod oblong, 3.-angled. 



I. hesidgOIlE. Only S. near the coast ; with simple stem, narrowish long 

 leaves, and deep blue variegated flowers 4' long, the outer divisions crested, the 

 tube longer than the 6-angled ovary. , , 



, I. oiiprea. Only S. and W. ; with copperish-yellow flpwers 2' Ipng, the 

 tube about the length of the 6-angled ovary. , 



I. trip^tala. Only S. in pine-barren swamps ; with rather short sword- 

 shaped glaucous leaves, and few blue flowers (2' -3' long), variegated with 

 yellow and purple, the inner divisions very short and wedge-shaped, the 

 tube shorter than the 3-angled ovary. 



§ 2. Garden species from the Old World, cult, for ornament. 



* A dense beard along the lower part of the 3 outer divisions of the flower : the 

 stamens in all spriiigfram thickened rootstocJcs. 

 •*- Dwarf: flowering in early spring. 



I. piimila, T)>VARp Garden Iris. Stem very short ; the violet and pur- 

 ple flower close to the ground, with slender tube and obovate divisions, hardly 

 exceeding the short sword-shaped leaves. 



1- ■<- Taller and larger, seiieral-flowered, in early summer. 



I. GeTva.&niea,, Common Flowek-de-Luce of the gardens, with very 

 large scentless flowers, the deep violet pendent outer divisions 3' long, the obo- 

 vate inner ones nearly as large, lighter and bluer. 



I. sambticina. Elder-scented F., is taller, 3° or 4° high, and longer- 

 leaved ; the flowers about half as large as in the preceding, the outer divisions 

 less reflexed, violet, but whitish iand yellowish toward the base, painted with 

 deeper-colored lines or veins ; upper divisions pale grayish or brownish blue ; 

 spathe broadly scarious-margined. 



I. squ&lenSj very like preceding, with longer dull violet outer divisions to 

 the flower whitish and striped at base, and purplish-buff-colored inner divisions. 



I. Tariegdita, has much smaller flowers, with spatulate-ohovate divisions 

 2' long, white with pa'e yellow, the outer divisions veined with dark-purple and 

 purplish-tinged in the middle. 



I. Florentina, Florence or Sweet F. Less tall than the Common F., 

 with broader leaves, and white faintly s^yeet-scented flowers, bluish veined, the 

 obovate outer divisions 2j'-3' long, with yellow beard. Its violet-scented root- 

 stock yields orris-root. 



* * No beard nor crest to the flower ; all but the last with rootstocks. 



I. Pseud6,eorus, Yellow Iris, of wet marshes in Europe, with very long 

 linear leaves and bright yellow flowers, sparingly cultivated. 



I. gramlnea, Grass-Leaved I., has narrow linear root-leaves 2° -3° 

 long and often surpassing the 1 - 3-flowered stem ; flower purple-blue, with 

 narrow divisions. 



I. P6rsica, Persian Iris. A choice house-plant, dwarf, nearly stemless 

 from a kind of bulb-like tuber, from which the flower rises on «, long tube, 

 earlier than the leaves, delicately fragrant, bluish, with a deep-purple spot at 

 the tip of the outer divisions, the inner divisions vei-y small and spreading, 



2. PAEDANTHUS, BLACKBERRY LILY. (Name from the Greek, 

 means pardflower, alluding to the spotted perianth.) Fl. late summer. 



Pard&.nthus Chin^nsiB, from China, cult, in country gardens and 

 escaping into roadsides : 3° - 4° high, more branching than an Iris ; the di- 

 visions of the orange-colored flower (1' long) mottled above with crimson spots, 



