ORDER 142. IRIDACEJE. ^37 



8 I . verna L. Scape 1-flowered, 3 y, shorter than the rigid leaves ; tube, sep., and 

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



7 I. crlstata Ait. Scape compressed, and, with the Ivs., 3 5' ; tube longer than the 



sepals (-20, which nre distinctly crested along the middle. Barrens, Va. to Oa. April. 



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



9 I. TUMILA. Dwarf I. Fls. large, blue-purple ; pet. larger than sepals. In Spring. 3 , 



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



11 I. ^AMBUCINA. fleur-de-lis. Flowers oo, blue- white; segrnen notched. Common. 

 121. SU/IANA. Flower 1, very large, purple and spotted ; petals reflexed. 



131. FI.ORENTINA. Orris-root. With broad leaves and large white flowers. 



14 I. GRAMINEA. Linear leaves much longer than the If. 2-flowered scape. Blue. 



15 I. PPEUD-ACORCS. Flowers yellow ; petals smaller thai; the stigmas, 3f. June. 

 161. XfpHitJM. Spanish 1. Lvs. subulate ; 2 fls. ; pet. narrow as stig. All colors. l-3f- 

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

 18 I. PERSICA. Persian I. Lvs. linear; scape very short ; petals smaller then 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, 

 farger Uian 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. coelestina N. Leaves very veiny, If; etem 15 80', few-leaved; spathe 2-leaved 

 sepals obov&'e. 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 8 petals. Stamens inonadelphous, fila- 

 ments united into a long tube. U Bulbous. 



T. PAVONIA. St. simple, flexuons ; leaves ensiform, veined ; fls. inodorous, 5 (K broad, 

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



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

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

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



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

 equal, oblanceolate, 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, y Root a rhizome. 

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



P. rhlnensls 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. 



2 C. SUZIANTJS, is golden yellow, with the 3. sepals revolute. Turkey. 



3 C. BATIVTIB. 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. monadelphoue Stig. 3-cleft. IS 



