MIMOSACEAE 655 
diameter: calyx about 2 mm. long: corolla about 2.5 mm. long, slightly exceed- 
ing the calyx: pod d inequilaterally Eu ae Lr i r less turgid, 3—6 cm. 
one M ei 5-5.5 mm. lon ng.—Pinelands and h n the Everglades, S. 
Fla.—All year n the d of the Toe. Florida Keys there is a 
dis opoponax, usually less than 1 m. tall, the pods are linear, S 10e cm. nome? 
curved and relatively stout-beaked. 
3. V. densiflora eee Shrub up to 4 m. tall, ind with short spines 
olan less than ong: leaf-rachis P terminal mucro long-pubes- 
ent: leaflets SE E larger ones up to 3.5 mm ads ng: peduncles mostly 
pe than 1 em. long, rather stout in proportion, with numerous sessile resinous 
glands, accompanied by some caducous pu TERT eren deep orange-yellow, 
less than 1 em. in diameter: calyx about 2 mm. long: corolla about 2.5 mm. 
long, slightly exceeding the calyx: pod stout, As a short, stout beak, only 
slightly turgid, 3-5 em. long: seeds about 5 m ong.—Bayou-banks, fills, and 
waste-fields, along Pet near the Gulf Const, W "ls to Tex.—Spr. 
4. V. insularis Small. Shrub up to 3 m. tall, armed with pale spines 1-2.5 e 
long: leaf-rachis glabrous: leaflets glabrous, the longer ones of each Pd. 
1.5-3 mm. long: peduncle glabrous or with dA iac glands: spikes Jess 
than 1 cm. in diameter: calyx about 2 mm. long: corolla about 2.5 mm. lon ng, 
slightly exceeding the o pod nr stout, em not inflated, 2 5 em 
long, acute, but not beaked—Hammocks and pinelands, Fla. Keys.—All year. 
6. LEUCAENA Benth. Shrubs or trees. Leaves mostly 2-pinnate: leaf- 
lets often small and numerous. Spikelets capitate. Calyx-lobes minute. Petals 
distinct, or rarely slightly coherent. Fila- | 
arl Pod li 
ments distinet or nearly so. od linear, 
flat.—About 10 species, mostly in tropieal 
America. 
l. L. glauca (L.) Benth. Shrub, or tree 
becoming 10 m. tall: leaflets 6- 12 mm. 
long; a narrowly elliptie to lanceolate, 
9 mm. wide: spikes white or pinkish: 
ee 2-2.5 mm. xm or rarely bus 
. lon pod em 
ong. — (LEAD-TREE.) — EP ns 
Plaga, Fla. and eros I., Mex., C. A., 
S. uu All yea 
S8 
(4°) 
ct 
& 
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un 
un 
Pm 
Se 
B 
o 
UAN Medie. Perennial herbs, often somewhat woody near the base. 
Dentes bin leaflets small, numerous. Spikes capitate, white or greenish. 
Calyx-lobes minute. etals distinct, sometimes clawed. Filaments distinct. 
Pod flattish. [Desmanthus Willd.]—About 10 species, most of them in trop- 
ical Ameri 
Stamens 5: pods flat, broad, curved, in a dense-head: seeds few. 1. A. illinoense. 
Stamens S pods turgid, narrow, straight, spreading: seeds 
severa 
pe Eo een the lower pair of pinnae orbicular: pod 3-5.5 
2. A. depressum. 
Gland between the lower pair of pinnae elliptic: pod 6-8 cm. 
3. A. virgatum. 
illinoense (Michx.) Kuntze. Plant 3-12 dm. tall, glabrous or near] 
so: leaves with 20-28 pinnae; blades of the leaflets lanceolate to linear-elliptic, 
