94 PULSE FAMILY. 



37. LEGUMINOS^E, PULSE FAMILY. 



Distinguished by tin- jxi/n/io/'in-nn/s corolla (Le-sons, p. 91, fig. 

 261, '2(\->), usually accompanied by 10 monadelphous or diadelphous 

 or rarely distinct stamens ( Lr.-M.ns, p. 100, iig. 287, 288), and the 

 legume (lessons. p. 122, fig. 393, 394). These characters arc com- 

 bined in the proper Pulse Family. In the two other -real divisions 

 the corolla become.- Irs.- papilionaceous or wholly regular. Alternate 

 leaves, chielly compound, entire leaflets, and stipules are almost uni- 

 versal in this great order. 



I. 1't'LSE FAMILY PROPER. Flower (always on the plan 

 of 5, and stamens not exceeding 10) truly papilionaceous, i. e. the 

 standard outside of and in the bud enwrapping the other petals, or 

 only the standard present in Amorpha. (For the terms used to 

 denote the parts of this sort of corolla see Lessons, p. 91.) Sepals 

 united more or less into a tube or cup. Leaves never twice com- 

 pound. 



A. Stamens monadelphous or <H<nl<'l/>l(Ous. 



1. I/erbf. fltrubt, r <u n xwnll In < , nevt r ticitiiny, (rdiliity, nor tendril-bearing, 

 iri/li leaves Hint/lit- or .</':! or morr ilii/it'itt teujli-t*. mOlUulelpllOUS Sl<int^ti.<, mill 



tin alternate Jim nntlicrs ili/triny in siee and shape from the otlier Jive: jfod 

 usually several-seeded. 



1. LUIMNUS. Leaves of several leaflets, in one species simple : stipules adherent 



to the base of the petiole. Flower* in a long thick rai-eine. Calyx deeply 



2-lipped. Corolla of peculiar sli:ipc, the sides ol'ihe rounded standard being 

 rolled backwards, and the wings lightly cohering over and enclosing tin- nar- 

 row and incurved scythe-shaped or sickle-shaped keel. Pod flat. Mostly 

 herbs. 



2. CliOTALARIA. Leaves in our species simple, and with foliaceoua stipule? 



free from the petiole hut running down on the stem. Calyx 5-lobed. Keel 

 scythe->haped, pointed. Stamens with the tube of filaments split down on 

 the upper side. 1'od inflated. Ours herbs. 



3. GKNIM'A. Leaves simple and entire: stipules very minute or none. Calyx 



5-cleft. Keel oblong, nearly straight, blunt, turned down when the flower 

 opens. 1'od mostly Hat. Low shrubby plants. 



4. CY I'lSUS. Leaves of one or three leaflets, or the preen branches sometimes 



leafless: stipules minute or wanting. Calyx 2-lipped or 5-toothed. Keel 

 straight or .-omewhat curved, blunt, soon turned down. Style incurved or 

 even"coiled up after the Mower opens. 1'od Hat. Seeds with a fleshy or 

 scale-like appendage (ulro/ilu'oh-) at the scar. Low shrubby plants. 

 6. LA I! I' KM M. Leaves of three leaflets: stipules inconspicuous or wanting. 

 Calvx with '2 short lips, the upper lip notched. Keel incurved, not pointed. 

 Ovary and tlat pod >,,mewliat stalked in the calyx. Seeds naked at the scar. 

 Trees" or shrubs, with golden yellow (lowers in long hanging racemes. 



$ 2. Herbs, never tiriniiir/ nor t< iii/ri/-ln>irni : /, irith It nr, .< <>f :\ /, ,ijl, ft (run li/ more 

 but tin n digitate), ilnlr i<n-</iiis cumi/mnl// more or It** t<>tlil (/r/iit-li 1$ 



r< iniirk -ibl,' in llii.i f'ltiiiilii): fi/jmlts fniit/iifii'iii.-; "ml itiiiln/ ir'tlh tliv l>n*f <'J' the 

 pttii'l, (Lessons, p. tui/iii:. 177): stnnu-in tiiniJtljiliona : jjod l-ftw-teedtdi 

 never tiiri</rii urn** into joints. 

 # Leaves /liumt/i /,/ ;\-j'li<'lit, , on /.< x. en % (!_, n,l h <n/t / / in,/ jointed with the com- 



i/itin /it liult II/HII; lln s/i/i lit/itf 



6. TKICOXI'.LLA. Herbage odorous. Flowers (in the common cult, species) 



single and nearly sessile in the axil of the leaves. 1'od elongated, oblong or 

 lineal', tapering into a long-pointeil apex. 



7. MKDICAtio. Flowers small, in spikes, heads, &c. Corolla short, not united 



with the tube of stamens. I'od curve. 1 or coiled up, at least kidney-shaped. 



8. MEL1LOTUS. Herbage sweet-scented. Flowers small, in slender racemes. 



Corolla as in Medioago. 1'od small, but exceeding the calyx, globular, 

 wrinkled, closed, 1 - 2-seeded. 



