130 ELEMENTS OF BOTANY. 



divided, stipulate; flowers perfect, regular or irregular; sepals 

 5, persistent ; petals 5, deciduous ; stamens 5, 10 or 15 ; 

 ovary 1, compound, 5-celled, 1-2 ovules in each cell, styles 

 5, usually long and persistent, adherent to the elongated 

 receptacle. 



I. GERANIUM. 



Annual, biennial or perennial herbs; leaves palmately 

 lobed or divided, alternate or opposite, petioled; flowers 

 regular; stamens 10, the alternate ones usually longer; ovary 

 5-celled, 5-seeded, the 5 cells of the ripened ovary separating 

 elastically from the elongated central axis. 



1. G. MACULATUM L. WiLD Crane's-bill. Perennial, from a 

 thickened and tuberous rootstock ; stems erect, simple or branched, 

 hairy, 1-2 ft. high; leaves palmately o-7-parted, the lobes incised 

 or toothed, the lower long-petioled, the upper nearly sessile ; pedun- 

 cles long and slender, usually with a pair of leaves at the base of 

 the few-flowered umbel; flowers pink-purple, 1-H in. broad; sepals 

 hairy and aMm-pointed ; petals entire, pubescent at the base; seeds 

 reticulated. April-May. In damp, open woods. 



2. G. Carolinianum L. Carolina Crane's-bill. Annual; 

 stem decumbent or erect, pubescent; leaves palmately o-7 -parted, 

 the divisions narrow, toothed, and cut; peduncles short, 2-flowered; 

 flowers pink-purple or nearly white, about ^ in. broad ; sepals pubes- 

 cent, about as long as the emarginate petals ; seeds finely reticulated 

 and pubescent. March- April. Common in waste places. 



II. PELARGONIUM. 



Perennial herbs ; stems sometimes woody at the base, and 

 somewhat fleshy above ; flowers irregular ; sepals 5, the 

 upper one with a slender, nectariferous tube decurrent on the 

 pedicel; petals 5, the two lower ones smaller; stamens 10, 

 3 or 5 of them sterile. A South African genus of which 

 there are several species and many varieties in cultivation, 

 all known by the general name '' Geranium." 



1. P. zonale L'llerit. IIorse-shoe Geranium. Stem erect, 

 widely branched, woody below; leaves alternate, opposite or some- 

 times in o's, orbicular or reniform, palmately veined, crenate, pubes- 



