DIADELPHIA. 



(36) 



POLYADELPHIA. 



LIPARIA Calix five-cleft, with the lowest segment elon- 

 gated ; corolla, wings two-lohed below; stamens, the 

 larger with three shorter teeth; legume ovate. 



TRIGONELLA, Fenugreek Banner and wings nearly equal, 

 spreading in form of a three-petalled corolla. 



MEDICAGO, Moon Trefoil and Lucern Legume compressed, 

 bent in ; keel bent down from the banner. 



MULLERA Pericarp elongated, fleshy, necklace-form, with 



one-seeded globules. 



********** 



AMERIMNUM, Jamaica Ebony Calix two-lipped; legume 

 compressed, leafy, two-valved, gaping; seeds few, soli- 

 tary. 



AMPHICARPA Calix campanulate, four-toothed, obtuse and 

 naked at the base ; petals all oblong ; vexillum broader 

 and incumbent, subsessile ; anthers round; stigma capi- 

 tate; germ cylindrLcally sheathed at the base; legume 

 flat, and stipulate, two, three, or four seeded. 



CYLISTA Calix very large, four-parted, the upper division 

 cleft at the base ; corolla permanent. 



DALBERGIA Filaments two, four-cleft at top; fruit pedi- 

 celled, not opening, leguminous, membranaceous, com- 

 pressed. 



DALEA Calix semiquinquefid; corolla partly papilionaceous; 

 wings and carina adnate to the undivided column of the 

 stamens; legume one-seeded, included in the calix. 



DIMOBPHA Petal, one large, convolute, in place of the 

 keel ; standard and wings none. 



DIPHYSA Calix half-five-cleft ; legume with a bladder on 

 each side; seeds forked. 



DIPTERYX Calix, two upper segments winged; legume 

 ovate, compressed, one-seeded. 



GALACTIA Calix four-cleft, bibracteolate; petals all ob- 

 long, the vexillum broader and incumbent ; anthers ob- 

 long; stigma obsolete; stipe of the germ naked; legume 

 terete, many-seeded. 



LESPEDEZA Calix five-parted, bibracteate at the base, seg- 

 ments subequal ; carina transversely obtuse; loment lenti- 

 cular, unarmed, one-seeded. 



LODDIGESIA Standard many times smaller than the wings 

 or keel; filaments all in one set, with a dorsal fissure ; 

 legume stalked, turgid. 



MELILOTUS Flowers racemose: Calix tubulous, five- 

 toothed ; carina simple, shorter than the wings and vexil- 

 lum ; legume as long as the calix, rugose. The species 

 of this genera resemble Trifolium exactly in habit, but the 

 stem is generally erect, and the flowers not capitate. 



OXYTROPIS Carina terminating above in a subulate ap- 

 pendage ; legume bilocular or subbilocular, the upper 

 suture indexed. Habit similar to Astragalus. 



PLATYLOBIUM, Flat Pea Calix bell-shaped, five-cleft, the 

 two upper segments very large and obtuse; legume pedi- 

 celled, compressed, winged at the back. 



SESBANIA Calix five-toothed ; legume elongated, bivalve, 

 divided into many cells by transverse dissepiments. 



SMITHIA Legume with distinct one-seeded joints, con- 

 nected by the style ; stamens divided into two bodies. 



STYLOSANTJIES Calix tubulous and very long, bearing the 

 corolla ; germ beneath the corolla ; loment with one or 

 two articulations, hooked. 



TARAMNUS Keel very small, concealed within the calix ; 

 stamens alternate, five barren ; stigma sessile, headed ; 

 calix two-lipped. 



TEPHROSIA Dentures of the calix subulate, subequal; sta- 

 mens monadelphous ; legume compressed, subcoriaceous. 



TRIOOJJIA Calix five-parted; corolla papilionaceous ; petals 



five, unequal; banner pitted at the base; nectary two 

 scales at the base of the germen ; filaments, some barren ; 

 capsule leguminous, three-celled, three-Valved. 

 ZORNIA Calix bell-shaped, two-lipped, the upper lip 

 abrupt; standard revolute; keel angular; five alternate 

 anthers oblong, five globose; legume of several single- 

 seeded close hispid joints. 



CLASS XVIII. POLYADELFHIA. 



Consisting of Plants having their Stamens united into many; 

 or at least more than two, sets or parcels. 



1. DECANDRIA (Ten Stamens in each Set.) 



CYTISUS. See Diadelphia Decandria. 



THEOBROMA, Chocolate-nut Tree Calix five-leaved; petals 

 five, arched ; nectary five-horned ; filaments five, within 

 the claws of the petals, growing externally to the nectary, 

 having two anthers on each. 



2. DODECANDRIA (Twelve to Nineteen Stamens in each Set.) 



ABROMA Pistils five; capsule five-celled, one-valved, gap- 

 ing at top; seeds subovate, incompletely arilled. 



BUBROMA, Bastard Cedar Calix three-leaved; petals five, 

 arched, semibifid; anthers on each filament three; stigma 

 simple ; capsule muricate, ending in a five-rayed star, 

 punched with holes, five-celled, valveless, not opening. 



3. ICOSANDRIA (Twenty Stamens in each Set.) 



CITRUS, Citron Calix five-cleft; petals five; stamens about 

 twenty, polyadelphous ; berry many-seeded. 



MELALEUCA, Smaller Cajeput Tree Calix five-cleft, half 

 superior; petals five; filaments very long, in five bodies; 

 style one ; capsule three-celled. 



4. POLYANDRIA (Many Stamens in each Set.) 



HYPERICUM, St. Johns-wort Calix five-parted ; petals five; 



filaments many, connected at the base in five bundles. 

 ASCYKUM, St. Peters-wort Calix four-leaved; petals four; 



filaments many, in four divisions. 

 HOPEA Calix five-cleft, superior ; corolla five-petalled ; 



stamens many, connected in five bodies; style one; drupe 



with a three-celled nut. 

 DURIO Calix five-cleft, pitcher-shaped, inferior; corolla 



five-petalled, small; style one; stamens in five bodies; 



porrie five-celled. 

 MUNCHHAUSIA Calix six-cleft; torulose ; petals clawed; 



stamens in six bodies, four or five in each; pistil superior, 



with a filiform curved style. 

 GLABRARIA. See Monadelphia Polyandria. 

 DOUGLASSIA Calix half-six-cleft ; corolla none; nectaries 



six; filaments none; germen superior; stigma six-cleft; 



berry ovate, one-celled ; seed one, with a brittle shell. 

 POROSTEMA Calix six-parted, unequal ; petals none; nec- 

 tary nine scales, with four anthers on each ; capsule 



covered, four or six celled, many-seeded. 

 XANTHOCHYMUS, Painters Golden Apple Calix of five 



leaves; petals five; nectaries five, abrupt; stamens united 



into five sets, alternate with the nectaries ; berry with 



from one to five seeds. 



