114 1TI.SE FAMILY. 



remarkable for hanging edgewise. Flowers in carlv summer; ripening in late 

 autumn, the large ami indurated pod 5'- 10' long and 1 V - :2' wide; tlie seeds 

 over ' across. 



54. GLEDITSCHIA, HONEY-LOCUST. (Named for the early ( ,. r- 

 man botanist, (ll<'tlit*-li.) Fl. early summer, inconspicuous, ripening the pods 

 late in autumn. Thorns simple or compound ; those on the branchlcts above 

 tin: axils. Leaves on growing shoots of the season twice pinnate ; those in 

 clusters on spurs mostlv once pinnate. 



G. triacanthos, Tm;i:r.-ni<>i:NKi> ACACIA or COMMOX H. Wild in 



rich soil from 1'enn. S. & \V., also commonly plantcil lor shade, sometime^ u-ei| 

 for hedges: a rather tall tree, with li^ht foliage, large often verv compound 

 thorns llattish at the base and taperiiiL:, small lance-oblong leaflets, and linear 

 ll.it pods 9' -20' long, often twisted or curved. A var. JNF.RMIS has very few or 

 no thorns. 



G. Sinensis, CIIIXKSE H., occasionally ]>lanted, has stouter conical thorns, 

 and broader oval leaflets. 



G. monosperma, OXE-SEEI>EI> or WATER II. Swamps from Illinois 

 S. \\'. : small tree, with slender thorns, ovate or oblong leaflets, and oval 1 -seeded 

 pods, containing no pulp. 



55. MIMOSA, SENSITIVE-PLANT. (From Greek word to mimic, i. e. 

 the movements imitating an animal facultv.) There arc wild shrubbv species 

 in Texas and farther S. The following are herbs, procumbent or trailing, 

 Avith bristly short pods. 



M. pudica, COMMOX S. Beset with spreading bristly hairs and somewhat 

 prickly ; the leaves very sensitive to the touch, of verv numerous linear leatlets 

 on 2 pairs of branches of the common petiole, crowded on its apex, so as to 

 appear digitate ; flowers rose-purple, in slendcr-pedunclcd heads, in summer. 

 Cult, from South America, (i) 



M. Btrigillbsa, WILD S. Rough with a;>presscd stiff bristles, not prickly ; 

 leaves with 5 or G pairs of branches of the common petiole, each bearing 10- 14 

 pairs of oblong-linear leaflets; flowers rose-color; oblong head on very long 

 peduncle. Wild on river-banks far S. : fl. summer. Jf_ 



56. SCHRANKIA, SENSITIVE-BRIER. (Named for a German bot- 

 anist, Sckrank.) Two species wild in dry sandy soil, S. & W., spreading on 

 the ground, appearing much alike, with leaves closing like the Sensitive- 

 riant, but only under ruder handling : ilowers rose-purple, small, in globular 

 heads on axillary peduncles, in .summer. 2/ 



S. lincinata. Stems, petioles, peduncles, and oblong-linear short-pointed 

 pods beset with rather stout hooked prickles ; leatlets elliptical, reticulated with 

 strong veins underneath. 



S. angUStata. I'ricklcs scattered, weaker, and less booked ; leaflets oblong- 

 linear, not reticulated ; pods slender, taper-pointed. 



57. DESMANTHUS. (Greek-made name, meaning that the Mowers are 

 bound together : they are merelj crowded in a head. A lew species \i-rvfar 

 S., and the following \V. 



D. brachylobus. Prairies from Illinois S. & W. : nearly smooth, l-4 

 hi-'h, erect, with 0-15 pairs of partial petioles, each bearing 20 - 30 pairs of 



MTV small narrow leaflets, one or more glands on the main petiole, small heads 

 of whitish Ilowers, followed by short 2 - (i-seeded pods; stamens f>. ^ 



58. ALBIZZIA, SILK-FLOWER. (Named for an Italian botanist.) 



A. Julibrissin, SII.K-FI.OWKU or SII,K-TI:EK, from Asia, planted for 

 ornament S. : a small tree, with leaves of numerous pairs of partial petioles, 

 each bearing about GO oblong acute leatlets, which appear as if halved, and with 

 paniclcd heads of rather large pale rose-purple Ilowers, the long and lustrous 

 filanvnis, like silky threads in tufts (Diving the popular name), being mainly 

 conspicuous ; pod 5' -- G' long, oblong-linear, verv flat and thin. 



