314 OniiEn 46.— LEGUMINOSvE, 



6 M. maouldta Willd., with Ivg. marked v/itb a purple spot, and pods compactly 

 spiral, and echinato somewhat like No. 4, said to be naturalized South ; we have 

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

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



3i. MELILOTUS, Toum. Melilot. (hat. mel, Loncy, and lotus; 

 in drying it exhales a sweet odor.) Calyx tubular, 5-toothcd, porsist- 

 • ent; corolla deciduous, IcolI petals completely united, shorter than the 

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

 than tlie calyx, 1 to fevv-soeded. — Genus taken from Trifolium. Lvs. 

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



1 M. oSIcinalis "Willd. St. erect, with spreading branches; l/ls. obovateoblono:, 

 oliiusi; dentate; rac. spicate, axillary, paniculate, loose; cal. half as long as the 

 yeUoui curolla ; leg. 2-seede(3, ovoid. — Alluvial meadows. St. sulcate, about ?• t 

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

 racemea; petals of nearly equal length. The whole plant is sweet-scented. Jri. 

 S Ear. 



2 M. dlba Lam. Sweet-scented Clovek. 'Wiiite Melilot. St. erect, brancheii, 

 Lis. o\ato-oblong, truncate and mucronate at the apex, remotely serrate ; stiji. 

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

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

 Jong, more obtuse at the apex than at base, niucronately serrate. Pis. numerous, 

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

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



32. PSORA^LEA. (Gr. TpupdXm^, leprous or scaly ; alluding to the 

 glandular dots.) Calyx 5-cleft, campanulatc ; segments acuminate, lowiv 

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

 umcs as long as the calyx, 1 -seeded, indehiscent.— ij^ or ^. Often 

 glandular-dotted ; stip. cohering with the base of the petiole. Fl.'^.. 

 cyanic. 



* Leaves jtnlmatery 1 and 3 (r.arcly 5)-fuliate N*-,^. 1. ^ 



*■ Leaves pahnatcly 5, or 5 aiulT-loliate Nos. 3, 4 



* Leaves pinnately 3 or 1-foliate Nos. 5 — S 



* Leaves pinnate, 19 to 21-foliate .N o. 9 



1 P. can^soeus llx. Very brandling, canesoently pubescent, lower lvs. Z-foliaU, 

 upper 1-foliate, lfts. ronndisli-obovate, obtuse, tapermg at base into a petiolule, dot- 

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

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

 " blue at firi3t, changing to dull yellow" (Jlettauer). Cal. gibbous, almost spurred 

 at base. May — Jl. 



2 P. floribtinda Nutt. Canesccnt, much branched ; Ifls. 3, rarely 5, dotted, oh- 

 long-olovate, varying to linear ; stip. setaceous ; rac. slender, many-flowered, twica 

 longer than the leaves ; pedicels a.g long as the flowers, and longer than the sma!', 

 ovate-acuminate bracts; vox. roundish; leg. smooth. — Alluvial soils. 111. (Meadj. 

 Ark. "W. to the.R. Mt.=i. St. 2 to 4f liigh, branches spreading. Lfts. 1 to 2' hv 

 '2 to 4". Common petiole J to 1' long. Fls. bluish purple, 3'' long, 15 to 30 if 

 the very oanescent racemes. Jn. 



3 P. Bubaoatilis Torr. & Gray. IStarhj acahlescsnt, Idrsuie; lvs. V-foliate on very 

 long petioles ; lfts. obovate-oblong ; fls. in dense, egg-shaped racemes ; cal. much 

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

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



4 P. lupinelluB Mx. St. skrider, glabrous; lvs. 5 to 7 -foliate ; Ills, linear-fili- 

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

 at apex, so iig to simulate the letter S. — ^Pine barrens, S. Car. to Fla. Sts. alxiut 

 2f high, l.lls. 2 to 3' long. Fls. as large as in P. floribunda. May, Jn. 



5 P. variegata Nutt. Virgate, sraoothish; lvs. 1-foliate, remote; Ills, linear (thf 

 lower rarelv :!-foliato and oblong); pod. shorter than the lvs.; spikes rather dense- 

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

 Fls. pale violet. 



