EL2EAGNACE2E. 491 



3. Hippophae T. — Flowers dioecious ; perianth 2-merous. Sta- 

 mens, in female 0, in male 4 or more rarely 3 ; filaments short ; 

 anthers introrse 2-rimose. Receptacle in female flower very concave, 

 tubular. Germen free, included in receptacle ; style exserted at 

 apex, laterally stigmatiferous along much of its length ; ovule 1 (of 

 Elaagnus). Fruit dry, enveloped in accrescent succulent receptacle ; 

 seed 1 (of Elceagnm). — Small trees or shrubs, scurfy, usually 

 spinescent ; leaves alternate ; flowers precocious, at base of short 

 lateral twigs simulating catkins ; males sessile in axils of deciduous 

 bracts ; females solitary pedicellate, in axils of leaves {Europe, tem- 

 perate parts of Asia). See p. 484. 



II. AEXTOXICEiE. 



4. Aextoxicon P. & Pav. — Flowers dioecious ; receptacle short, 

 almost imperceptibly concave. Perianth triple ; outermost whorl 

 subglobose in the bud, thickly scurfy, unevenly broken at apex, 

 finally caducous as a 2-fid lid ; middle whorl consisting of 5 (or more 

 rarely 4, 6), rotundate concave imbricated deciduous leaves ; leaves 

 of innermost whorl 5 (or 4, G), long subspathulate, crispato-crenate 

 at apex, long narrow and intersected by a somewhat prominent sub- 

 carnose rib at base, persistent to a rather late period. Stamens 5 

 (" or 4, G") alternipetalous ; filaments free ; anthers, in female or 

 rudimentary sterile ; in male 2 -celled introrse rimose. Glands 10, 

 inserted laterally at base of filaments, free or connate to a variable 

 height. Germen, in male minute; in female conical with depressed 

 vertex, ovoid, densely scurfy ; style short linear, curved in bud, 

 stigmatiferous at apex, 2 -fid ; ovules 2, collateral descending ; micro- 

 pyle introrse superior obturated. Fruit bare subdrupaceous inde- 

 hiscent, usually 1 -seeded, seed descending albuminous ; radicle 

 cylindrical superior ; cotyledons ovate appressed. — A scurfy tree ; 

 leaves persistent, alternate opposite or ternate, entire petiolate exsti- 

 pulate; flowers in axillary usually simple racemes {Chili). See 

 p. 4S5. 



