82 
Spring Flora of Oklahoma 
1. Vicia americana Muhl. American Vetch. Perennial, glab¬ 
rous, trailing or climbing. Leaflets 8-14, elliptic or ovate-oblong, 
obtuse, peduncle shorter than the leaves. Racemes loose, 2-9-flow- 
ered. Flowers bluish-purple, 8"-9" long, spreading. Pod glabrous, 
l'-iw long. 
In moist ground. May-August. Oklahoma County. 
2. Vicia sparsifolia Nutt. Narrow leaved American Vetch. 
Perennial, glabrous, stems weak, often zigzag. Leaflets 4-7 pairs, 
narrowly linear to linear-oblong, peduncles shorter than the leaves. 
Racemes loose, 2-6-flowered. Flowers purple or purplish, about 9" 
long. Pod glabrous. 
In dry soil. May-August. 
3. Vicia Leavenworthii T. & G. Leavenworth’s Vetch. Per¬ 
ennial, reclining or climbing. Leaflets 10-14, oblong to oblanceolate. 
Peduncles shorter or longer than the leaves. Pedicels curved. Flow¬ 
ers bluish. Pods oblong, oblique at each end. 
In dry soil. May-June. Kingfisher County. 
FAMILY 40. GERANIACEiE. Geranium Family. 
Herbs with perfect, regular, hypogynous flowers. Sepals 
5, mostly persistent. Petals of the same number. Stamens 
of the same number to 2-3 times as many, distinct, anthers 
2-celled, versatile. Ovary 1-5-lobed and 5-celled. Ovules 
1 or 2 in each cavity. Fruit a capsule. 
I. GERANIUM (Tourn). L. 
Herbs with perfect, regular, hypogynous flowers. Sepals 
mately-lobed, cleft or parted. Flowers regular. Sepals 5. 
Petals 5, hypogynous. Stamens 10, generally 5 longer and 
5 shorter. Ovary 5-lobed, 5-celled. Ovules 2 in each cavity. 
Capsule dehiscent, the cavities 1-seeded. 
Beak short-pointed; inflorescence compact. 
1. G. carolinianum. 
Beak long-pointed; inflorescence loose. 2. G. Bicknellii. 
1. Geranium carolinianum L. Carolina Crane’s-bill. Annual, 
generally branched from the base and above, pubescent with spread¬ 
ing, often glandular, gray hairs. Leaves petioled, reniform-orbicular 
in outline, deeply cleft into 5-9 oblong or obovate, cuneate-toothed 
or lobed segments. Peduncles 2-flowered. Flowers in compact clus- 
