FABACEAE | 729 
obovate, 1.5-5 em. long, finely ipud 
flowers slender-pedicelled: calyx 9-11 m 
long: corolla yellow; standard 12-15 mm. 
long, the Es nu suborbieular; keel much 
aF 
uj 
td 
sh 8: pod 
ii ie a (Ps ANU PINDERS 
2 anim mocks, 
com ly, in many tropic and tem- 
erate esit for its seeds—‘ ‘nuts’’— 
whieh a sed as ood and a sagan 
Although Du Mond escaped in most re- 
gions, in others, especially in enn p 
N. C., it is abundantly established. . 
65. ZORNIA Gmel. Annual or perennial herbs. Leaflets 2 or 4. Spikes 
ee bracted. Flowers of one kind. Corolla yellow or variously colored : 
standard with a broad blade: blades of the 
wings broadened upward, auricled on one 
side: blades of the keel eus lunate, not 
auricled. . Loment with several iE 
joints.—About 12 species, all Amer 
1. Z. bracteata (Walt.) Gmel Stem 1-7 
dm. tall, strigillose: leaflets often 4; blades 
oval to elli ni or nearly linear: spi ikes few- 
flowered; bracts 7--11 m m. long, reticulate, 
auricled: oe e ciliate, the lower one 
about as long as the tube: corolla yellow; 
standard 9-12 mm. long: pod 1-2 cm. long, 
3 : 
o 
—4-jointed. Z. tetraphylla Michx.]— 
Pi a and sandy roadsides, Coastal Plain, Fla. to Tex. and Va.—(Menz.) 
—Spr.-s 
66. STYLOSANTHES Sw. Perennial tufted herbs. Leaflets 3; blades 
veiny. Flowers of two kinds, the one complete, but sterile, the other without 
standard witl 
perianth, but pi Corolla yellow or orange: ard with a very broad 
ade: blades of the wings and the keel-petals auricled, the latter incurved. 
Tonent turgid, ^ or c ed the lower joint empty, the upper one veiny, 
opening at the apex.—About 30 species, natives of warm and temperate regions. 
—PENCIL-FLOWERS. 
Flower accompanied by an appendage within the bract: standard scarcely clawed: 
ealyx of complete flower less m 3 mm. long: pod slender-beaked. 
Pod with soft, silky hairs mostly on the lower joint; upper JOE eurved into a 
hook. . S. hamata. 
Pod with stiff ame HO all over both joints; beak straight or 
curved at the a 2. S. calcicola. 
Flower not accompanied y an appendage within the bract: d 
decidedly Dart calyx of complete flower about 4 m g: 
pod stout-beaked. 
Blades of the ‘Ieafiets prevailingly narrow, narrowly elliptic to 
lanceolate or oblanceolate: calyx with middle lobe Ws lower lip 
lanceolate: terminal joint of pod with the beak lateral. 3. S. biflora. 
Blades of the leaflets prevailingly Ta. oval to. Drondiy ob- 
lanceolate or cuneate-obovate: calyx with middle lobe of lower 
lip ovate: terminal joint of pod with the beak nearly axial. 4. S. riparia. 
