RADIOLA.] LINEJ8. 79 



2. RADl'OLA, Gmelin. ALL-SEED. FLAX-SEED. 

 " A minute annual, with filiform repeatedly-forked branches. Leaves 

 opposite, exstipulate. lowers in corymbose cymes. Sepals 4, 2-4-toothed. 

 Petals 4, fugacious. Stamens 4, scarcely connate ; staminodes minute or 

 0. Disk glands inconspicuous. Ovary 4-celled ; cells divided into 2 ; 

 styles 4 ; ovules 2 in each cell. Capsule of 4 nearly 2-celled 2-seeded 

 divisible cocci. Seeds exalbuminous. DISTRIB. Europe (excl. Central), N. 

 Africa. ETYM. radius, from the rayed ramification. 



R. linoi'des, Gmel. ; leaves ovate acute 3 -5 -nerved. R. Millegra'na, 

 Sm. 

 Gravelly and sandy damp places, uncommon, from the Orkneys to Cornwall ; 



Ireland; Channel Islands; fl. July- Aug. Stem 1-4 in. Leaves T Vi in., 



sessile, rather succulent. Flowers axillary and in the forks, most minute ; 



peduncles short, erect. Sepals connate below, as long as the oblong 



petals; 



ORDER XIX. GERANIA'CEJE. 



Herbs, rarely shrubby. Leaves opposite or alternate, usually stipulate. 

 Inflorescence various ; flowers regular or irregular. Sepals 5 or fewer, 

 imbricate or valvate in bud. Petals 3-5, imbricate in bud. Stamens usually 

 5 in irregular flowers, and 10 in the regular, some often deformed. Disk 

 inconspicuous or glandular. Ovary 3-5-lobed, 3-5-celled, produced up- 

 wards into a styliferous beak, or with one or more terminal styles ; ovules 

 1-2 or many in each cell, anatropous, pendulous, raphe ventral. Fruit 

 septicidal or loculicidal, or separating into cocci. Seeds small, albumen 

 scanty or ; embryo various. DISTRIB. Temp, and Trop. rarely Arctic 

 regions ; genera 10 ; species 750. AFFINITIES. With Eutacece and Linece. 

 PROPERTIES. Tribe Geraniece are often astringent, aromatic, and abound 

 in volatile oil. Oxalideoe abound in oxalic acid, and some have eatable 

 tubers. 



TRIBE I. GERANIE -?E. Flowers regular. Sepals imbricate. Stamens 

 alternating with glands. Capsule beaked, of several 1-seeded awned 

 cocci, that separate elastically from the beak. 



Stamens 10, all antheriferous 1. Geranium. 



Stamens 5, staminodes 5 2. Erodium. 



TRIBE II. OXALIDE'/E. Flowers regular. Sepals imbricate. Glands 0. 



Capsule loculicidal ; cells 2- or more-seeded 3. Oxalis. 



TRIBE III. BALSAMI'NEJE. Flowers [irregular. Sepals coloured, 

 posticous spurred. Stamens 5. Glands 0. Capsule loculicidal; cells 2- 

 or more-seeded 4. Impatiens. 



1. GERA'NIUM, L. CRANE'S-BILL. 



Herbs, rarely shrubs, nodes swollen. Leaves opposite or alternate, 

 usually cut or lobed, stipulate. Flowers regular, on 1-2-fld. axillary 

 peduncles. Sepals and petals 5, imbricate in bud. Stamens 10, ripening 



