88 FABACEAE. 



1. I. miniata Ortega. Stems prostrate: leaflets 5-9; blades linear-oblong to 

 narrowly oblanceolate : calyx about 3 mm. long; lobes subulate or lanceolate- 

 subulate: standard 7-8 mm. long or rarely smaller; the wings usually longer: 

 pods oblong-linear, 15-20 mm. long. Pinelands. F. K. (Cuba.) 



2. I. suffruticosa Mill. Stems erect: leaflets 7-15; blades oblong, oblanceo- 

 late or obovate: calyx 1.5-2 mm. long; lobes deltoid to triangular- lanceolate: 

 standard 3-4.5 mm. long; the wing-petals often slightly longer: pods linear, 

 12-15 mm. long. Pinelands and cultivated grounds. Nat. of Asia. (Ber., 

 Bah., Cuba, Ant.) 



4. CBACCA L. Herbs or partially woody plants. Leaflets several or 

 many, pinnate. Flowers in racemes or spike-like panicles. Calyx somewhat 

 2-lipped, the upper 2 lobes usually shorter than the others and partially 

 united. Corolla pink, purple, or red, or white: standard pubescent: wings 

 auricled on one side at the base of the blade: keel-petals usually with an 

 angular auricle. Pods flat or flattish. CATGUT. GOATS '-RUE. 



Erect woody plants. 



Calyx with short scattered appressed hairs : leaflets, and racbls glabrous. 



1 . i'. MftMttMMM, 



Calyx permanently hirsute : leaflets, and rachis, hirsute. '2. C. corallicola. 



Prostrat* or decumbent herbaceous plants. 



Petioles longer than the leaflets. 3. C.ambiyua. 



Petioles shorter than the leaflets. 



Calyx long-hairy ; upper lobes longer than the tube : 



basal auricle of the keel-petals obscure, obtuse. 4. C. splcata. 



Calyx short-hairy : upper lobes shorter than the tube : 



basal auricle of the keel-petals prominent, sharp. 5. 0. floridana. 



1. C. angustissima (Shuttlw.) Kuntze. Stems glabrous: loall.-t^ 11 17: blades 

 of the lateral ones narrowly linear or very narrowly linear, 13-45 mm. long: 

 calyx 4-5 mm. long; lobes of the upper lip lanceolate; lower lobe lanceolate, 

 much longer than the lateral ones: standard 9-11 mm. long: pods about 3 

 mm. wide. Pinelands. 



2. O. corallicola Small. Stems copiously loose- pubescent, or glabrate in age: 

 leaflets 11-15; blades linear to linear-oblong, 7-13 mm. long: calyx 4-5 mm. 

 long; lobes of the upper lip lanceolate; lower and lateral lobes lanceolate, 

 about equal in length: standard 7-10 mm. long: pods 2-3 mm. wide. Pine- 

 lands. 



3. 0. ambigna (M. A. Curtis) Kuntze. Stems loosely pubescent: leaflets 7-11; 

 blades of the lateral ones narrowly oblong to cuneate-oblong, 20-60 mm. long, 

 or rarely more, truncate or mucronate: calyx 4,5-5 mm. long; lobes of the 

 upper lip subulate ; lower and lateral lobes subulate nearly equal : standard 16- 

 18 mm. long. Pinelands. 



4. O. spicata (Walt.) Kuntze. Stems copiously loose-pubescent: leaflets 5-15; 

 blades of the lateral ones oval, oblong, or cuneate-oblong, 10-25 mm. long, 

 mucronulate: calyx 7-8 mm. long; lobes of the upper lip subulate; lower and 

 lateral lobes subulate, nearly equal: standard 16-19 mm. long. Pinelands. 

 6. O. floridana Vail. Stems finely pubescent and somewhat sticky: leaflets 

 9-13; blades of the lateral ones oblong to oblong-obovate, 14-30 mm. long, 

 obture or truncate: calyx 6-7 mm. long; lobes of the upper lip nearly as long 

 M the other lobes, and nearly as long as the tube: standard 16-18 mm. long. 

 Pinelands. 



6. OLOTTIDIUM Desv. Herbs, but often woody-stemmed. I 

 numerous. Raceme* several-flowered. Calyx slightly -'lipped, the 5 lobes 

 acute. Corolla yellow, reddish, or purple: standard with a rcniform blade: 

 wings and keel-petals more or less angular at the base of the blade. Pods 

 abort, winglew. 



