OEBANIACEM. 35 



GENEKA. 



I. BlEBEESTEINIE^. 



1. Bieberstein Steph. — Flowers regular hermaphrodite; recep- 

 tacle conyex. Sepals 5, imbricate, persistent and alternate to equal 

 number of petals, imbricate or sometimes contorted. Stamens 10, 

 l^ypogynous, 2-seriate ; filaments towards the base 1-adelphous, after- 

 wards free; anthers introrse, 2-rimose, versatile. Glands 5, alter- 

 nipetalous, inserted outside below the stamens. Carpels 5, oppositi- 

 petalous ; ovaries free, 1-locular ; styles, 5, inserted at the middle of 

 tlie internal angle of ovary, afterwards cohering among themselves 

 in a slender column, oapitellate stigmatiferous at apex; ovule in in- 

 ternal angle of each ovary 1, descendent, incompletely anatropous ; 

 micropyle extrorse superior. Eipe carpels 5, free, enclosed in calyx, 

 afterwards separating from axis, dry rugose venose indurate crusta- 

 ceous, indehiscent. Seed incurvate, albumen thin fleshy ; embryo 

 arched; radicle conical superior; cotyledons plane or corrugate 

 rather thick. — Perennial herbs ; stem sometimes very short, tube- 

 rose below the ground ; leaves alternate, like nearly the whole plant 

 glandular-pilose or villose, pinnate dissected or compound, stipulate ; 

 flowers in axillary pedunculate racemes; pedicels 2-bracteolate. 

 {Greece, west, and central Asia.) See p. 1. 



-^ II. GERAFIE^. 



2. Geraniuxn L, — Elowers regular hermaphrodite; receptacle 

 convex. Sepals 5, imbricate. Petals same in number, alternate, 

 imbricate or contorted. Glands 5, alternipetalous. Stamens 10, 

 2-seriate fertile hypogynous ; filaments free or connate at base ; anthers 

 introrse ; 2-rimose. Ovary free, 5-locular ; apex rostrate and forming 

 style, style branches 5, longitudinally stigmatiferous at apex ; cells 

 5, oppositipetalous, 2-ovulate ; ovules collateral or oftener more or less 



