ORDER 142. IRIDACE.E. 337 



6 1. verna L. Scape 1-flowered, 3 5', shorter than the rigid leaves; tube, sep., and 



pet. tmbequal (2') ; stigmas deeply 2-cleft ; fls. blue, with some yellow. Mar., Apr. 



7 I. criwtata Ait. Scape compressed, and, with the Ivs., 35' ; tube longer than the 



sepals (20, which are distinctly crested along the middle. Barrens, Va. to Ga. April. 

 I. iacustris N. Like No. 7, but the sep. are longer than the tube, &c. L. Huron. 

 9 I. PUMILA. Dwarf I. Fls. lanre. blue-purple ; pet. larger than sepals. In Spring. 3'. 



1O 

 11 

 12 

 13 

 14 

 15 

 16 

 17 

 18 



GERMANICA. Flowers many, deep blue, the spathe also colored. Common. 

 SAMBUCIXA. Fleur-de-lis. Flowers cc, blue-white; segrneu.? notched. Common. 

 SUZIANA. Flower 1, very large, purple and spotted ; petals reflexed. 

 FLORENTINA. Orris-root. With broad leaves and large white flowers. 

 GRAMiNEA. Linear leaves much longer than the If. 2-flowercd scape. Blue. 

 PPEUD-ACORTJS. Flowers yellow ; petals smaller than the stigmas, 3f. June. 

 XIPHIUM. Spanish L Lvs. subulate ; 2 fls. ; pet. narrow as stig. All colors. l-2f- 

 XIPHIOIDES. English I. Leaves subulate ; fls. 2 ; petals broader than the stigmas. 

 PERSICA. Persian I. Lvs. linear ; scape very short ; petals smaller than the blue 



sepals. All the above are hardy, except this, which is a house-plant. 



2. NEMASTYLIS, N. No tube above the ovary. Sepals spreading, 

 larger tiian the ascending, cucullate petals. Filam. shorter than the anth. 

 Style enlarged above, and parted into 6 radiating, subulate stigmas. If 

 Bulb ovoid. Lvs. lance-linear. St. very slender, with 1 or 2 bright-blue fls. 



N. coelcstiiia, N. Leaves very veiny, If; etem 1520', few-leaved ; spathe 2-leaved ; 

 sepals obovate. 1', I larger than the hooded petals. Swamps, Fla. to La. 



3. TIGRIDIA, L. TIGER-FLOWER. Spathe 2-leaved. Perianth regu- 

 lar, the 3 sepals larger than the 3 petals. Stamens monadelphous, fila- 

 ments united into a long tube. U Bulbous. 



T. PAVONIA. St. simple, flexnous ; leaves ensiform, veined ; fls. inodorous, 56' broad, 

 ephemeral, several in succession, yellow, with crimson spots. Mexico. 



4. SCHIZOSTYLIS COCCINEA. Stem 3f. Leaves channelled, lance- 

 linear. Flowers concave, regular, 2' broad, in long spikes, crimson to scarlet, the styles 

 slender and nearly distinct. Lately introduced from S. Africa. 



5. PARDANTHUS, Ker. BLACKBERRY LILY. Sepals and pet. sub- 

 equal, oblanccolate, spreading. Fil. slender. Style clavate, 3-parted, with 

 3 stigmas. Caps, oblong. Seeds black, attached to the column, and re- 

 sembling a blackberry after the valves have fallen. U Root a rhizome. 

 Stem branching, leafy. July, August. (Ixia, L.) 



P. < liinensis Ker. Leaves ensiform, as in Iris; flowers 1|' broad, many, orange- 

 yellow, crimson-spotted. Stems 3 4f. Escaped from cultivation. 



6. CROCUS, L. Lvs. radical. Fls. nearly sessile on the bulb. Tube 

 very long and slender, bearing the funnel-form perianth above the ground. 

 Stigmas 3-cleft. 



1 C. VERNUS. Spring C. Stigmas short, wedge-shaped; leaves linear. The beautiful 



flowers are white, blue, and variegated, the earliest in the garden. 

 JJ C. SUZIANUS, is golden yellow, with the 3 sepals revolute. Turkey. 

 3 C. SATIVUS. Saffron. Fall C. Stigmas slender, reflexed ; segments purple. Europe. 



7. SISYRINCHIUM, L. BLUE-EYED GRASS. Spathe 2-leaved. Seg- 

 ments of the perianth flat, equal. Sta. monadelphous Stig. 3-cleft. H 



