19*/i FLOKA OF TEXAS. 



elongated receptacle, from Avhich when ripe they separate 

 and twist up, carrying with them the five little one-seeded 

 pods. There are three genera : 



Stamens 10, all perfect, every other one shorter. Petals 

 all alike. Corolla regular. Geranium. Crane's Bill. 



Stamens 5, perfect; 5 alternate, impei-fect. Corolla 

 regular. Erodium. Heron^s Bill. 



Stamens 7, perfect. Corolla irregular. 



Pelargonium. Stork's Bill 



GERANIUM. 



Floiners regular. Stamens perfect, the inner ones with 

 a gland at the base. Styles at muturity separating with 

 the 1-seeded carpels and coiled upward, the inner face 

 naked. — Herbs. Stems forking. Leaves palmately lobed. 

 Peduncles 1-3 flowered. 



G. MACULATUM. Perennial, erect, hairy ; leaves 5-7- 

 parted, the divisions acutely lobed and toothed ; peduncles 

 1-2-flowered, the terminal ones often umbellate ; j)etah 

 large, entire, 2-3 times longer than the oblonged awned 

 sepals. Boots tuberous, astringent. Stem l°-2° high. 

 Flowers purple, 1' wide. Mount Bonn ell, near Austin. 



G. Caroliniaxum, L. Annual, prostrate, downy. 

 Leaves obtusely lobed and toothed, 5-7-parted. Peduncles 

 2-flowered. Petals emarginate, as long as the ovate awned 

 sepals. Stems forking, 6-18' long. Flowers pale purple. 



ERODIUM. Heron's Bill. 



Calyx o-leaved ; petals 5 ; filaments 10, the 5 alternate 

 ones abortive ; fru it rostrate, of 5 aggregated capsules 



