GERANIACE^E. 67 



Petals 5, (or by abortion 4, rarely none,) unguiculate. Sta- 

 mens usually monadelphous, hypogynous, twice or thrice as 

 many as the petals. Ovary composed of 5 pieces, placed 

 round an elevated axis, each 1-celled, 1-seeded ; ovules pen- 

 dulous ; styles 5, cohering round the axis. Fruit formed of 

 5 carpels cohering round the axis, having a membranous peri- 

 carp and terminated by an indurated style, which finally twists 

 and carries the pericarp along with it. Seeds solitary, pendu- 

 lous ; albumen none. Embryo curved ; radicle pointing to the 

 base of the cell ; cotyledons, fojiaceous, convolute and plaited. 

 Herbs or shrubs, Stems tumid and separate at the joints, 

 Leaves either opposite or alternate. 



1. GERANIUM. Linn. 



Sepals 5, equal. Petals 5, equal. Stamens 10 ; alternate 

 fertile ones larger, and with nectariferous scales at the base. 

 Carpels with long awns, at length separating elastically from 

 the summit to the base j awns smooth internally. 



Monadelphia. Decandria. 



* Perennial. Peduncles 2-flowered. 



1. G. maculatum Linn. : stem somewhat angular, erect, dichotomous, 

 retrorsely pubescent ; leaves 3 5-parted, incised ; radical ones on long 

 petioles ; upper ones opposite, sessile ; petals entire ; filaments scarcely 

 ciliate at the base. 



HAB. Can. to Car. W. to Miss. June. If. Stem 815 inches 

 high. Leaves hairy. Flowers large, purple. The root is very 

 astringent and is useful for medicinal purposes. Big. Med. 

 JBot. i. 19. Barton's Collections. 



Spotted Geranium. Crane's-bill. 



** Annual. Peduncles 2-flowered. 



2. G. pusillum Linn. : leaves subreniform, 7-lobed ; lobes 3-cIeft ; 

 peduncles short, 2-flowered ; petals emarginate, scarcely longer than 

 the awnless calyx ; carpels keeled, pubescent ; seeds smooth. G. 

 malva/olium Lam. 



HAB. Penn. May. 0. MM. Is not Muhlenberg's G. pusil- 

 lum the next species ? 



3. G. dissectum Linn. : leaves 5-parted ; lobes opposite, petiolate 

 3-cleft, linear ; peduncles short, 2-flowered ; petals emarginate, rather 

 shorter than the awned calyx ; carpels hairy, not rugose ; seeds reticu- 

 late. 



HAB. Fields. N. S. July. &.Stem 12 inches high, pubes- 

 cent. Floicers small, pale red. Wood Geranium. 



