ROSACEA. 453 



iiiite imbricated 2-morphous, either imparipinnate witli a spinescent 

 midrib, or fascicled simj)le, rarely subspinescent ; flowers solitary 

 axillary subsessile. {Temperate and Andine regions of South America, 

 Peru, Chili, and southern Brazil.) See p. 352. 



11. ClifEbrtia L. — Flowers dioecious; receptacle of males minute 

 subconvex; of females sacciform, ovoidal or tubular; mouth con- 

 tracted. Sepals 3, 4, imbricated. Petals 0. Stamens go ; filaments 

 filiform free tortuous glabrous ; anthers broadly-didymous introrse ; 

 in female flowers 0, or go , minute sterile tooth-like, inserted in moutli 

 of receptacle. Carpels 2, or 1 {Monocjraphidium) ; ovary included ; 

 styles slender exserted, apex stigmatose plumose; ovule 1, descend- 

 ing; micropyle superior extrorse. Achenes 2, or more frequently 

 1, included in leathery horny or subdrupaceous smooth or sulcate 

 receptacle. Seed of Sanguisorha. — Shrubs, usually glabrous rigid ; 

 leaves alternate crowded, sessile or shortly petiolate, 1-3-foliolate ; 

 leaflets coriaceous parallel- or net-veined, rarely veiuless, of very 

 variable form ; stipules membranous or spinose adnate to sheathing 

 petiole ; flowers axillary sessile, solitary or geminate. {South 

 Africa.) See p. 353. 



III. FEAGARIE^. 



12. Fragaria T. — Flowers hermaphrodite or polygamo- dioecious; 

 receptacle broadly pateriform, apex produced into an erect central 

 cone. Calyx perigynous ; sepals 5, free; pra^Horatiou finally 

 valvate, slightly reduplicate, rarely subimbricate ; leaves of calycle 5, 

 exterior to and alternately with sepals. Petals 5, inserted around 

 margin of disk lining receptacle, obovate slightly unguiculate ; 

 prsefloration imbricate. Stamens co , usually 20, 3-seriate (of the 

 BosacecB) ; filaments free, more or less persistent ; anthers 2-rimose 

 introrse. Carpels go , free, inserted on conical centre of receptacle ; 

 ovary 1 -celled ; style more or less ventral or subbasilar, apex obtuse 

 or concave stigmatiferous. Ovule 1, incompletely anatropous de- 

 scending ; micropyle superior extrorse. Achenes or more frequently 

 drupels co , inserted in depressed pits or on slightly prominent spaces 

 on thick fleshy baccate ovoidal or globose receptacle, often finally 

 deciduous; sarcocarp thin; putamen crustaceous 1 -seeded; hilum la- 

 teral to membranous seed-coats; embryo fleshy; radicle superior. 



