149. AMARYLLIDACE.E. 



1. Agave. 



2. Furcroea. 



Polianthes 



(p. 1107). 



variously connate and form a staminal corona ; in other cases the 

 corona appears ligular in origin and the filaments arise from the inside 

 of it. Anthers erect or versatile, extrorse or introrse. Ovary inferior, 

 3-celled. Style usually undivided, stigma subcapitate or 3-lobed. 

 Ovules usually many and 2-seriate in each cell, rarely iew. Fruit 

 mostly loculicidal, very rarelj' baccate. Seeds numerous or few. 

 Embryo small straight eccentric, enclosed in albumen. 



I. Leaves chistered at the top of a more or less well- 

 developed caudex or (Polianthes) rootstock pseudo- 

 bulbous on a rhizome and then scape leafy at base. 

 Scape simple or branched, flowers racemose on the 

 rhachis or its branches or cymose on the branches : — 



A. Very robust plants with large tluck fleshy or coria- 



ceous often spinose leaves on a stoiit erect thick 



caudex. Scape very large or gigantic : — 

 Perianth-tube usually short. St. exserted. Style 



filiform 



Per.-tube hardly any. St. included, fil. and style 



swoUen at the base or below middle 



B. Herbaceous with tuberous or pseudo-bulbous rhizome. 

 Fls. paired in each bract on a long raceme, bracts 



foliaceous below. Perianth-tube long dilated 



above ........ 



11. Leaves all radical from a bulb, rarely a corm or slender 



rhizome. Scape leafless, never on a well-developed 



aerial caudex, sometimes appearing at, a dift'erent time 



from the leaves : — 



A. Leaves from a tunicate bulb, never plicate. Scape 



naked, bearing at the top 1 or more membranous 



involucral bracts and an umbel of usually sho^\T 



flowers or a solitary fl. : — 



1. Stamens not united by a membrane. Squamellae 



rarely present around or between the stamens : — • 



a. Scape 1-fld. (or 1-5-fld. in Rippeastnnn) : — 

 i. Bract 1 (sometimes 2-fid. in Zephyrunthes): — 



Per.-tube 0. St/uamellse small. Fls. with 



leaves, large, zygomorphic 

 Per.-tube long. Squamellse smaU or 0. 

 Often fl. before leaves. Crocus-like fls. 

 ii. Invol. bracts 2 distinct. Fls. before leaves, 

 large ....... 



b. Scape with usually many fls. in the umbel, 



often mixed with filiform bracts. Corona or 

 squamellse : — 

 i. Ovules many closely sessile or subimmersed 

 in the fleshy pracentiK : — 

 Fls. sessile or nearly so. Per.-tube long, 

 usually narrow ..... 

 Fls. pedicelled, declinate, tube short, lobes 

 oblong-lanceolate .... 



ii. Ovules distinct from the placenta : — 



t Ovules 2-seriate superposed, many. Fil. 

 connate at base .... 



ft Ovules 2 or few in the middle of the cell : — 

 Ovules 6. Fls. large with the leaves 

 Ovules 1-2 collateral. Fls. relatively small 

 in dense umbels before the leaves 



2. Stamens united into a cup by the corona : — • 

 a. Leaves broad, perianth lobes broad : — 



Ovules many, rarely 2-3 superposed. Tepals 



patent ....... 



Ovules 2 collateral in tlie middle of the cell 



Tepals erecto-patent ..... 



SpreJcelia 



(p. 1107). 

 Zephyranthes 



(p. 1107). 

 Eipveastrum 



(p. 1107). 



3. Crinum. 



Amaryllis 



(p. 1109). 



Nerine (p. 1109). 



Clivia (p. 1109). 



Hmnanthiis 



(p. 1109). 



Eucharis 

 (p. 



Eurycles 

 (p. 



1110). 

 1110). 



1103 



