rOO CXXXII. JjUAACEJE. 



Obder CXXXII. LILIACEiB. 



Herbs (very rarely shrubs or small trees) with fibrous roots, or a 

 creeping roctstock, or a bulb or corm. Leaves various. Flowers usually 

 hermaphrodite, axillary or terminal, solitary, or twin, or umbellate, 

 spicate, racemose, paniculate, or fasciculate; bracts usually small, scarious, 

 sometimes, when the flowers are umbellate, spathe-like. Perianth 

 herbaceous or petaloid, usually 6-merou8 in 2 series, imbricate (rarely 

 valvate) in bud. Stamens 6 (rarely 3 or fewer), hypogynous or adnata 

 to the perianth ; filaments free or connate ; anthers oblong or linear, 

 often dorsifixed, usually dehiscing longitudinally. Ovary 3-celled; 

 ovules 2 or more from the inner angles of the cells, anatropous (rarely 

 orthotropous) ; style usually simple, often long (rarely short or 0), or 

 styles 3. Pruit a capsule or berry, usually 3 (rarely 1) -celled. Seeds 

 1 or more, globose or flattened ; albumen horny or fleshy ; embryo small, 

 terete. — Distbib. Grenera 187 ; species about 2500, in all climates and 

 countries. 



Shrubs with perennial stems above ground ; fruit berry-like. 



Stems climbing or straggling; leaves replaced by linear or 



acicular cladodes 1. ASPARAGUS. 



Stems leafy. 



Leaves 3-5-nerved and retieulately veined, arranged at 



intervals along a usually climbing stem 2. Smilax. 



Leaves closely and numerously parallel-nerved, generally 



clustered at the apex of a usually erect caudex 3. Drac^na. 



Herbs with annual stems or scapes rising usually from under- 

 ground perennial rootstocks, coriDs, or hulhs, rarely (Asphodelus) 

 the plant wholly annual. 



Underground perennial stems large in proportion to the roots. 

 Perennial stem a creeping rootstoek ; annual aerial stem 



erect, leafy ; leaves broad; fruit a berry 4. Di8Porum. 



Perennial stem compact, not creeping ; fruit a loeulicidal 

 capsule. 



Aerial annual stem climbing, leafy ; leaves broad, 

 with tendril-like tips ; perianth large, showy ; 



rootstoek tuber-like, irregular, naked 5. Gloriosa. 



Aerial annual stems or scapes erect; leaves narrow ; 

 rootstoek a globose coated corm or bulb. 



Perennial stem a solid corm covered with 

 brown sheatlis; annual stem leafy; flowers 



solitary or corymbose G. Ipiiigenia. 



Perennial stem a tunicated bulb ; annual scape 

 simple, naked ; leaves radical ; flowers 

 racemose. 



Seeds subglobose ; perianth 6-partite ; 



segments stellate 7. Scilla. 



Seeds flattened. 



Perianth campanulate, 6-partite 8. Urginea. 



Perianth cylindric, 6-lobed ; outer 

 lobes recurved from the middle, 



the inner from the tips only 9. Dipcadi. 



Underground perennial stem small or {Asphodchi^ sometimes) 

 none; root-iibros large, numerous, usually some or all 

 fleshy or tuberous ; leaves radical ; capsule loeulicidal. 

 Each cell of the ovary 2-ovulate ; capsule 3-quetrous ; 



leaves semiterete ; plant often wholly annual 10. Aspiiodelus. 



Each cell of tlie ovary 4- or more-ovulate ; capsule 



deeply 3-winged ; leaves flat 11. CiiLoaoriiyTUM. 



