534 



GERANIACEAE (GEKAI^IUM FAMILY) 



7. 0. corniculata L. (Lady's Sorrel.) Erect or decumbent, apparently 

 flowering the first year but perennial by numerous slender pale runners ; leaflets 



green or often purplish ; pedicels 

 subombellately or at length cy- 

 mosely arranged at the summit of 

 the peduncle, ascending, sparingly 

 pubescent, the hairs spreading; 

 petals yellow. (O. cymosa, Bushii, 

 & rnfa Small ; 0. stricta of many 



802. O. corniculata. 



auth., not L.) — Dry or moist open soil, a 

 very common weed. (Eu.) Fig. 802. 



8. 0. repens Thunb. Stems several, pros- 

 trate and creeping, the numerous erect 

 branches low, seldom 1 dm. high ; leaflets 



803. O. repens. 



small ; flowers small, 2-5 on very short at length dejlexed. pedicels. (O. corni- 

 culata of L., in part, and of many later authors.) — A weed, chiefly in and 

 about greenhouses. (Cosmopolitan.) Fig. 803. 



GERANlACEAE (Geranium Family) 



Plants with perfect regular b-merous hypogynous flowers. Sepals imbricated 

 in the bud, persistent. Glands of the disk 5, alternate with the petals. Stamens, 

 counting the sterile filaments, as many or commonly twice as many as the sepals. 

 Ovary deeply lobed; carpels 2-ovuled, 1-seeded, separating elastically with their 

 long styles, when mature, from the elongated axis. Cotyledons x>licate, incum- 

 bent on the radical. — Our species herbs with lobed or divided stipulate leaves, 

 and astringent roots. 



1. Geranium. Stamens -with anthers 10, rarely 5. The recurving bases of the styles or tails of 



the carpels in fruit naked inside. 



2. Erodium. Stamens with anthers only 5. Tails of the carpels in fruit bearded inside, often 



spirally twisted. ' 



1. GERAnIUM [Tourn.] L. Cranesbill 



Stamens 10 (rarely 5), all with perfect anthers, the 5 longer with glands at 

 their ba.se (alternate with the petals). Styles smooth inside in fruit when they 

 separate from the axis. — Stems forking. Peduncles 1-3-flowered. (An old 

 Greek name, from -y^pavos, a crane; the long fruit-bearing beak thought to 

 resemble tlie bill of that bird.) 



Perennials with stoutish caudex and tough fibrous roots. 

 Petals more tlian 1 cm. long. 



Pedicels puberulent but not glandular ; petals light purple . 



Pedicels glandular-puberulent; petals deep purple 

 Petals less than 1 cm. long. 



Sepals strontrly awned ; flowers mostly solitary 



Sepals merely ftointed ; tlowers in pairs 



Annuals or biennials ; flowers small ; petals not over 1 cm, long. 

 Petals about 1 cm. long, twice the length of the sepals. 



Petals entire ; leaves ternately dissected 



Petals deeply ret use ; leaves [.almately lobed 

 Petals less than 1 cm. long. 1-1% timesthe length of the sepals. 



Fertile part of the carpel pubescent. 



1. O. maculatum. 



2. G. pratense. 



8. G. siTjiHcum. 



5. G. pyf'^nuicum. 



4. G. Rohertianum. 



5. G. pi/renaicum. 



