OF ARTS AND SCIENCES. 225 



Capsule ovate to obovate, 3-beaked. Seeds horizontal, unap- 

 pendaged or more or less caudate at the outer end. 



48. Pleea. Flowers few, greenish-white turning brown. Pedicels 

 solitary in the axils of large foliaceous sheathing bracts, bibrac- 

 teolate in the middle. Perianth-segments lanceolate, 1-nerved. 

 Stamens 9 ("6 to 12"), in pairs on the outer sepals, included; 

 filaments subulate, naked ; anthers oblong-linear, sagittate. 

 Styles short. Capsule coriaceous, ovate, 3-beaked. Seeds hori- 

 zontal, linear, attenuate at base, caudate above. 



49. Narthecium. Flowers yellowish-green, the solitary pedicels 

 subtended by a lanceolate bract and bearing a small linear 

 bractlet. Perianth-segments linear-lanceolate, obscurely 3-nerved. 

 Stamens included ; filaments subulate, woolly ; anthers linear- 

 oblong. Style none ; the slightly lobed stigma sessile upon the 

 attenuated apex of the ovary. Capsule narrowly oblong, mem- 

 branous, attenuate upward, splitting loculicidally into 3 valves. 

 Seeds ascending from near the base of the axis, linear, with a 

 long straight tail at each end. 



Tribe XVI. Xerophylleee. Flowers perfect, on naked pedicels in a sim- 

 ple bracteate raceme, on a very leafy stem from a thick tuberous rootstock. 

 Glands none. Styles linear, stigmatic down the inside, persistent. Capsule 

 ovate, chartaceous, loculicidally dehiscent to the base, and sometimes septicidal. 

 Seeds 2 to 4 in each cell, ascending, with loose thin testa, not appendaged or 

 scarcely so. Leaves very narrow, dry, striate and rough-edged. 



50. Xerophyllum. Flowers white, on long spreading pedicels 

 (erect in fruit), in a subpyramidal many-flowered raceme ; seg- 

 ments ovate to oblong, 5-7 -nerved. Styles reflexed or recoiled. 

 Seeds oblong, somewhat angled, light-colored. Cauline leaves 

 numerous, setaceous from a broader base. Bracts linear, 

 elongated. 



In addition to the above, other genera are represented by the fol- 

 lowing species that have become more or less widely naturalized in 

 some sections of the Atlantic States : — 



Ornithogalum umbellatum, Linn. The Star of Bethlehem ; in 



moist meadows. 

 Mcscari botryoides, Mill. The Grape-Hyacinth ; road-sides and 



copses. 

 Hemerocallis fulva, Linn. The Day-Lily ; road-sides. 

 Asparagus officinalis, Linn. Garden Asparagus : sea-coast and 



copses. 

 VOL. xiv. (n. s. VI.) 15 





