GERANUCEffi. (GEEANIUM FAMILY.) 33 



Btipular glands very small; flowers in close terminal clusters; petals about 3 lines long; 

 capsule globose. 



4. L. Califomicuin, Gr. Smooth, glaucous, 6 to 18 inches high; stipular glands 

 conspicuous; flowers in small cymes or the lower solitary; petals 4 lines long, capsule 

 acute, shorter than the calyx. 



5. S. Bpergulinum, Gr. Smooth, 6 to 15 inches high; leaves without stipular 

 glands; pedicels 3 to 6 lines long, and mostly solitary; sepals slightly glandular, minute; 

 capsule obtuse, exceeding the calyx slightly. 



Order 15. GERANIACE-ffi. 



Flowers perfect on axillary peduncles, regular (in our species) and symmetrical, the 

 parts in fives. Stamens mostly in two sets, those alternate with the petals sometimes 

 sterile. Ovary deeply 5-lobed, with a prolonged axis, or 5-celled. 



§ 1. Carpels 5, one-seeded, separating at maturity from the long central axis; the stylet 



forming long twisted tails. 



Fertile stamens 10; tails of the carpels not bearded Geranium. 1 



Fertile stamens 5; tails of the carpels bearded Er odium. 2 



§ 2. Carpel's 5, one-seeded, fleshy, distinct Limnanthes. 3 



§ 3. Carpels combined into a 5-celled ovary. Ozalls. 4 



1. GERANIUM, L. Cranesbill. 



Stamens 10 with anthers, a gland behind the base of each of the shorter 5; filaments 

 bearded at the base. Ovary 5-lobed; style 5-lobed at the top; the roundish-oblong carpels 

 splitting away from the persistent beaked axis. Leaves palmately lobed and mostly 

 opposite, scarious stipules; swollen-jointed stems. 



1. G. Carolinianum, L. Diflusely branched, pubescent; leaves 1 to 2h inches in 

 diameter, palmately 5-7-parted, the divisions cleft into linear lobes; petals rose-colored 

 equaling the awned sepals, 2 or 3 lines long; carpels hairy; tails half an inch long. 



G. incisum, Nutt. , with large purple flowers, grows in the Sierra Nevada, and in 

 Ilumboldt County. 



"2. ERODIUM, L'Her. 



Characters as in the last; but the filaments dilated, the 5 opposite to the petals sterilo 

 and scale-like; carpels attenuate to a sharp bearded base; the tails long bearded on the 

 inner side. Leaves commonly pinnate and bipinnately parted or lobed; peduncles 

 umbellately 2-8everal-flowered with a 4-bracted involucre at the base of the pedicels; 

 flowers small. 



I. E. cicutarium, L'ller. (Filakia or Pin-Clovek.) Hairy, much branchod, 

 3 



