776 CXXXII. LILIACE.^. 



tinged with green outside, ti-umpet-sha])ed, 8 iu. or more long and o iu. 

 across J\t the mouth, fragrant. El. B. I, v. 6, p. 350 ; Woodr. Gard. in 

 Ind. ed. 5, p. 5Ul. 



LiUum (jifjanteum. Wall. Tent. Fl. Nep. (1826) p. 21, tt. 12, 13. A 

 splendid species, a native of the Himalayas, with a tall stem reaching 

 10 ft, high. Lower leaves ovate, cordate, 1 ft. or more long and broad, 

 with petioles 9-12 in. long. Racemes 1-2 ft. long ; flowers 5-7 in. long 

 and 4 iu. across, fragrant, white, slightly tinged with green outside and 

 with a purplish throat. Fl. B. I. v. 6, p. 349 ; Woodr. Gard. in Ind. 

 ed. 5, p. 502 ; AVatt, Diet. Econ. Prod. v. 4, p. G40.— Flowers : Aug.- 

 Sept. 



Dianella ensifolia, Eedoute, Lil. v. 1 (1802) t. 1. Stem 3-6 ft. high, 

 rigid. Lower leaves 1-2 ft. by |-1| in., linear-lanceolate. Flowers 

 inodorous, white, greenish or bluish, in panicles 1-2 ft. long. Perianth 

 |-^ in. long. Berry dark purple or blue, ^ in. in diam. A native of 

 the Tropical Himalaya, the Khasia HilJs, Eirma, and Ceylon, often grown 

 in gardens. Fl. B. I. v. 6, p. 337 ; Ditlz. & Gibs. Suppl. p. 93 ; Woodr. 

 in Journ. Bomb. Nat. v. 12 (1899) p. 523. 



Order CXXXIIL PONTEDERIACE^. 



Fresh-water and marsh herbs, erect or floating. Leafy stems 1-foliolate, 

 springing from the buried rootstock or from the joints of tlie floating 

 stem ; basal leaf long-petiolate, blade floating or upraised. Flowers 

 lierma])hrodite, racemose or spicate, rarely fasciculate or paniculate at 

 the ends of 1-leaved stems or branches ; bract under inflorescence 

 spathe-like ; bracts under the flowers minute or obsolete. Perianth 

 inferior, petaloid, mai'cescent, usually tubular; lobes 6, sub-2-seriate, 

 similar or tlie 3 inner smaller. Stamens 6 or 3, unequally aduate to the 

 perianth-tube or the base of the perianth-lobes, usually declinate, the 

 upper shorter ; filaments free ; anthers oblong (rarely ovate), with 2 

 parallel distinct cells. Ovary superior, 3-cened with axile placentas, or 

 1 -celled with parietal placentas, each placenta with many 2-seriate 

 ovules (sometimes only one in each cell fertile), anatropous ; style filiform 

 or columnar ; stigma terminal, entire or lobed. Fruit a dry, membranous, 

 loculicidallv 3-valved (rarely indehiscent) capsule. Seeds ovoid or ellip- 

 soid, small ; testa longitudinallv ribbed ; albumen iloury or horny ; 

 embryo central, cylindric. — Distrib. (ieuera 5; species about 36. 



1 . MONOCHORIA, Presl. 



Aquatic herbs ; rootstock creeping, clothed with leaf-sheaths. Leaves 

 radical and solitary at the top of the emerging stem or branches, ovate- 

 cordate, sagittate or lanceolate ; petioles of the radical leaves long, those 

 of the cauline leaves shorter. Flowers in a raceme, sessile within the 

 axil of the cauline leaf and fasciculately long-pedicellate, or pedunculate 

 and subspicately short-pedicellate. Perianth campanulate ; tube ; 

 lobes 6, distinct, subequal. Stamens 6, adnate to the base of the 

 perianth-lobes, or hypogyuous, one usually largest with its filament 

 toothed on one side ; anthers basifixed, dehiscing by a terminal ultimately 

 elongate slit. Ovary 3-celled ; ovules many in each cell; style filiform ; 



