314 Order 46.— LEGUMINOS^E. 



6 M. maculata Willd., with lvs. marked with a purple spot, and pods compactly 

 Bpiral, and echinate somewhat like No. 4, said to be naturalized South ; we have 

 not met with it, uuless an imperfect specimen from Potsdam, N. Y., bo this plant 

 Other species of this curious genus are occasionally found in gardens. 



31. MELILO v TUS, Tourn. Melilot. (Lat. mel, honey, and lotus; 

 in drying it exhales a sweet odor.) Calyx tubular, 5-toothed, persist- 

 ent ; corolla deciduous, keel petals completely united, shorter than the 

 alas or vexillura ; stamens diadelphous (9 & 1) ; legume rugous, longer 

 than the calyx, 1 to few-seeded. — Genus taken from Tiifolium. Lvs. 

 pinnatcly trifoliate, veins of the Ifts. simple or forked. Fls. in racemes. 



1 M. officinalis "Willd. St. erect, with spreading branches; Ifts. obovatc oblong, 

 obtuse, dentate; rac. spicate, axillaiy, paniculate, loose; cal. half as long as the 

 yellow corolla ; leg. 2-seeded, ovoid. — Alluvial meadows. St. sulcate, about 3f 

 high. Lfts. smooth, with remote, mucronate teeth. Fls. in long, 1-sided, slender 

 racemes; petals of nearly equal length. The whole plant is sweet-scented. Jn. 

 § Eur. 



2 *M. alba Lam. Sweet-scented Clover. "White Melilot. St. erect, branched, 

 lfts. ovate-oblong, truncate and mucronate at the apex, remotely serrate ; stip. 



• setaceous; cal. less than half as long as the white cor.; leg. 2-secdcd, ovoid. — 

 © Alluvial soils. St. robust, very branching, sulcate, 4 to 6f high. Lfts. 1 to 2' 

 long, more obtuse at the apex than at base, mucronately serrate. Fls. numerous, 

 the racemes more loose and longer than in the last. Petals unequal : banner 

 longer than wings or keel. Very fragrant when dried. JL, Aug. § f Eur. 



32. P50RA X LEA. (Gr. ipijopaXzog, leprous or scaly ; alluding to tho 

 glandular dots.) Calyx 5-cleft, campanulate ; segments acuminate, lower 

 one longest ; stamens diadelphous, rarely somewhat monadelphous ; leg- 

 umes as long as the calyx, 1 -seeded, indchiscent. — U or J?. Often 

 glandular-dotted ; stip. cohering with the base of the petiole. Fls. 

 cyanic. 



* Leaves palmately 1 and (rarely 5)-foliate Nos. 1, 2 



* Leaves intimately 5, or 5 ainlT-luliate Nos. 3, 4 



* Leaves pinnate.ly 3 or 1-foliate Nos. 5 — 8 



* Leaves pinnate, 19 to 21-tbliate. No. 9 



1 P. canesceus Mx. "Very branching, canescently pubescent, lower lvs. 3-foliate, 

 uppur 1-foliate, lfts. roundish-obovate, obtuse, tapering at base into a petiolule, dot- 

 ted. — Sandy woods, N. Car. to Fla. Plant 2f high, excessively branched, form- 

 ing a globular bush. Fls. in small clusters at the end of the branchlets; small, 

 " blue at first, changing to dull yellow" (Mettauer). Cal. gibbous, almost spurred 

 at base. May — Jl. 



2 P. floribunda Nutt. Cancscent, much branched; lfts. 3, rarely 5, doited, ob- 

 long-obovate, varying to linear; stip. setaceous; lac. slender, many-flowered, twice 

 longer than tho leaves; pedicels as long as the flowers, and longer than the small, 

 ovate-acuminate bracts; vex. roundish; leg. smooth. — Alluvial soils, 111. (Mead), 

 Ark. W. to tho R. Mts. St. 2 to 4f high, branches spreading. Lfts. 1 to 2' by 

 2 to 4''. Common petiole I to 1' long. Fls. bluish purple, 3'' long, 15 to 30 in 

 the very cancscent racemes. Jn. 



3 P. subaoaulis Torr. & Gray. Nearly acaulcsceni, hirsute; lvs. 7-foliato on very 

 long petioles; lfts. obovate-obiong ; fis. in dense, egg-shaped racemes; cal. much 

 shorter than tho cor. — Tenn., near Nashville (Dr. Eoam in N. Am. Flora). Lvs. 

 and flower-stalks almost radical, G to 10' long; lfts. about 1' long. 



4 P. lupinellua Mx. St. slender, glabrous; lvs. 5 to 7 -foliate ; lfts. linear-fili- 

 form ; rac. longer than the lvs., many-flowered ; pod incurved at base, recurved 

 at apex, so as to simulato the letter S. — Pine barrens, S. Car. to Fla. Sts. about 

 2fhigh. Lfts. 2 to 3' long. Fls. as large as in P. floribunda. May, Jn. 



5 P. variegata Nutt. Virgate, smoothish ; lvs. 1-foliate, remote ; lfts. linear (the 

 lower rarely 3-foliate and oblong) ; ped. shorter than the lvs. ; spikes rather dense- 

 flowered.— Near St Mary's, Ga. St. about 2f high. Lfts. 2 to 4' by 2 to 4". 

 Fls. palo violet 



