GERANIACE^E. 211 



united by their broad filaments. Ovary with 5 2-ovuled carpels. 

 Styles attached to the base of a prolonged axis. Fruit consisting 

 of 5 i -seeded carpels, which separate from the axis by curving 

 back from their base. 



f Styles sOxalis. 

 C Flowers regular, herbs -j 



[Style 5-cleft Geranium. 



CFRANIACF/E \ Flowers somewhat irregular, shrubby Pelargonium. 



Stamens 8, climbing herbs Tropa- 



l Flowers very irregular ' olum - 



[_ Stamens 5, erect herbs Impatiens. 



1. Geranium. Sepals 5, equal. Petals 5, equal. Stamens 10 ; 

 alternate ones larger, with a nectariferous gland at base. Styles per- 

 sistent. Fruit beaked, y. 



G. MACULATUM (Cranesbill}. Stem erect, dichotomous, angular ; leaves 

 palmate.ly s-y-parted ; peduncles dichotomous, i-3-flowered ; flowers large, 

 light purple ; sepals awned ; petals entire. Woods, fields, and thickets, 1-2 

 feet high. May- June. 



2. Pelargonium. Sepals 5 ; upper one terminating in a nectarif- 

 erous tube, extending down the peduncle. Petals 5, irregular, larger 

 than the sepals. Filaments 10 ; 3 of them sterile, y 



1. P. ZONALE (dorses/tog Geranium}. Stem thick, shrubby; leaves 

 orbicular, with shallow lobes, dentate, marked with a colored zone near the 

 margin ; flowers bright scarlet, in umbels with long peduncles. 



2. P. INQUINANS {Scarlet Geraniutn). Stem erect, with downy branches ; 

 leaves round-reniform, scarcely lobed, crenate, viscid ; flowers bright scarlet, 

 in many-flowered umbels. 



3. P. PELTATUM (Ivy-leaved Geranium}. Stem long, climbing ; leaves 

 5-lobed, with the lobes entire, fleshy, smooth, peltate ; flowers purplish, in 

 few-flowered umbels. 



3. Oxalis. Sepals 5, distinct or united at base. Petals 5, much 

 longer than the calyx. Capsule oblong, or subglobose. Carpels 5. y. 



0. STRICTA (Wood-sorrel}. Stem simple, smooth, leafy; leaves trifoli- 

 ate, on long petioles ; leaflets obcordate ; flowers yellow, in umbels ; cap- 

 sules hirsute, leaves acid to the taste. Fields, from 3'-6' high. April-Sep- 

 tember. 



4. Impatiens. Sepals 5, colored, apparently 4, from the union of 

 the 2 upper ones ; lowest spurred. Petals 4, apparently 2. Anthers 

 cohering at apex. Capsule often i-celled. 



1. I. FULVA (Jewel-weed). Stem, succulent ; leaves rhombic-ovate, ob- 

 tuse, coarsely serrate, with mucronate teeth ; flowers deep orange, spotted 

 with brown dots, very irregular in form ; spur longer than the petals, re- 

 curved. In wet grounds, 1-3 feet high. June-September. 



