110 LEGUMINOSAE. | Mezoneuron. 
oblong, 18—20  9—12", obtuse, not cordate at the base. Racemes 
supra-axillary, 4—8‘ long, fulvo-tomentose, bare of flowers only in the 
lowest fourth or sixth. Bracts lanceolate, 6“, running out into a subulate 
recurved point. Pedicels 9‘, jointed above the middle. Calyx tomen- 
tose, 7“, deeply 5-parted, its lobes oblong, the 2 lower ones connate 
higher up than the others. Petals yellow, not much longer, the upper- 
most one shorter, suborbicular, the others obovate. Ovary stipitate, 
covered with stiff — 4-ovuled. Style erect, with truncate stigma. 
Filaments hairy. Pod on a long stalk, broadly ovate-oblong, 2—3' x 
i'/s', rare rae with straight prickles. Seeds mostly 2, large 
glo 6—7", of stony hardness and lead-color. Hilum basal, puncti- 
form. Guilondine Bonducella, L. — G. Bonduc, Hook. & Arn., Gray, Mann. — 
a Sinelair, pl. 31. 
gulches of the lower plains on all islands, less common than formerly. Nat. name: 
from tea in the ye llow- gto NH as well as in the ordinary one with orange- 
red petals. C. sepiaria is pla in es. Besides these there are in cultivation 
Cc. asin: which yields the cal ponitcnd ying C. coriaria, rich in tannic acid, C. ( Poinciana) 
Gillesii and C. (Coulteria) Mexicana. 
21. MEZONEURON, Desf. 
Calyx-tube short and very oblique, its lowest lobe the largest and 
concave, rarely all lobes connate into a tube. Pod compressed, rather thin 
and indehiscent, winged along the upper suture. Otherwise as in 
Caesalpinia. 
About 10 species, natives of tropical Asia and Africa, with one from Australia. 
1. M. Kauaiense, Hillebr. — A tall shrub, about 12 ft. high, with 
oe spreading branches, unarmed, the young shoots covered with a 
ary pubescence. aves abruptly bipinnate with 1—5 pairs of pinnae, 
each pinna with 4—8 pairs of leaflets, the common rhachis 3—5', the 
pinnae 1'/,—3’ long. Leaflets’ oblong, 1—1'/4‘ X 1/2’, obtuse at both 
ends, retuse, membranous, on petiolules of 1“. Stipules and stipellae 
none or small wart-like. Raceme terminal, hoary, 1—3‘ long, densely 
floriferous from the base; the pedicels 1—2’, jointed above the middle. 
Bracts acute, ciliate, 2‘, caducous; bracteoles wanting. Calyx glabrous, 
pinkish, the short tube 2“, the lowest lobe concave, 6—7"; the others 
orter than the calycine lobes, the uppermost one obcordate, folded, 
3—4” in diameter, of deeper color, the lateral ones suborbicular, the 
2 lowest obovate, 5—6” in length 
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Style incurved 
Hier, with a dorsal wing of 3—4” in width running along its ~— 
