FABACEAE 697 
1. pinnata (Walt.) Kuntz. Plant 3-12 dm. tall: leaflets 3-7; blades 
linear-clavate to filiform, finely glandular-dotted, 5-12 mm. long: spikes usu- 
ally seve : bracts iate, the 
1 
orm-setaceous, much longer than 
th , plumose: standard 6-8 long; 
blade lanceolate: pod abou mm. long. 
Don corymbosus hx. P. 
corymbosus irifoliatus Cha —(SUMMER- 
apm. | 
FAREWELL.)—Dry pinelands and sandhills, 
Coastal Plain, Fla. to Miss. and N. C. 
runcata Small. Plant 7-10 dm. t 
ptic-obova vate, beris 
glandular-dotted, 9-6 mm. long few 
invol 11 mm. thick; bracts copiou 
bids elliptic Cnt pod 2.5 m PNE ps —Pinelands and scrub, E pen. Fla. 
^K. adenopoda (B. L. d Rydb. Plant 5-10 dm. tall: leaflets mostly 
5; blades elliptic to obovate, 4-10 mm. long, eoa en eic 4—10 
: heads few: i m. t 
m ; braets S 
inner lanceolate, 7-8 mm. long, Serre standard- blade alliptie: pod 2.5 m 
long.—Pin elands, Tampa Bay region, Fla. 
24. INDIGOFERA L. Herbs or aoe “woody plants. Leaflets several 
alyx- 
tropical regions.—INDIGO-PLANTS 
Plant perennial. 
Calyx dess than half the Ld of the corolla; lobes lanceolate to deltoid, not ex- 
eeding the tube in len 
Pod ellipsoid or ovoid, e seeds 2 or 3. I. DISPERMAE. 
Pod linear, curved or straight: seeds 3—12. II. TINCTORIAE. 
Calyx more orn half the length of the corolla: lobes subu- 
se subulate-tipped, twice as long as the tube or 
Leaflets manifestly petioluled ; blades rounded at the 
pase III. MUCRONATAE. 
Leaflets subsessile ; blades acute at the base. IV. LEPTOSEPALAE. 
Plant annual. V. PARVIFLORAE. 
I. DISPE 
Tall slenderly branched herb with numerous thin leafiets and lax 
acemes. 1. I. caroliniana. 
II. TINCTORIAE 
Standard mostly between 4 and 5 mm. long: pod stout-linear, 
strongly curved, less than 2 em. long. 29. I. suffruticosa. 
Standard mostly between 5 and 6 mm. long: pod slender-linear, 
straight or slightly E. over 2 em. long. 8. I. tinctoria. 
III. MUCRONATAE 
Diffuse plant, the several stems spreading from the tap root: 
racemes elongate: pods deflexed. 4. I. keyensis. 
IV. LEPTOSEPALAE 
Racemes many-flowered: keel 9-11 mm. long: pod with a uuo 
slender beak. 5. I. leptosepala. 
