Cyfisus.] XXIII. LEGUMINOSAE. 101 



* CYTISUS, Linn. 

 Calyx 2-lipped, upper lip ofcen 2-3-toothed. Wings oblong, deflexed after 

 flowering; keel obtuse. Stamens monadelphous. Stigma terminal, capitate ; ovules 

 many. Pod flat. Funicle tumid. Shrubs, with 1-3-folioIate leaves. 



Branohlets angled and furrowed. Flowers yellow. Pods many-seeded . . .. * C. scoparius. 



Branohlets slender. Flowers white. Pods 2-seeded . . . . . . .. * 0. albus. 



Branohlets leafy. Flowers yellow. Pods linear, S-seeded . . . . . . * C. candicans. 



■'■ C. scoparius, Link., Enum. Hort. Berol. ii. 241. Much-branched, lft.-3ft. 

 high ; branchlets angular or furrowed.. Leaves 1-3-foliolate ; leaflets obovate, silky. 

 Mowers bright-yellow. Pedicels short. Styles spiral. Pod lin,-2in. long, many- 

 seeded ; valves twisted after dehiscence. 



Naturalised from Mangonui to Southland. Broom. Nov., Deo. Europe, Northern Asia, &o. 



* C. albus, Link., Enum. Hort. Berol. ii. 241. Erect, branched, lft.-6ft. high. 

 Branchlets very slender, furrowed. Leaves 1-3-foliolate, deciduous. Flowers in 

 fascicles or short racemes, white. Pod 2-seeded, compressed, villous. 



SOUTH Island : near Lake Ellesmere. Apparently established. White or Portugal broom, 

 Sept., Oct. Italy, Spain, Portugal, &o. 



* C. candieans, Lam., Fl. Fr. ii. 623. A slender leafy shrub, 2ft.-4ft. high, 

 more or l,ess clothed with white pubescence. Leaves 3-foliolate ; leaflets obovate, 

 obtuse. Flowers yellow, on short peduncles in few-flowered terminal racemes or 

 fascicles. Calyx silky, 2-lipp6d ; 2 upper sepals entire, acute ; lower sepal with 3 

 short teeth. Standard exceeding the wings, not reflexed ; wings equalling the keel. 

 Pods linear, imperfectly septate, 4-5-seeded, acute, villous ; seeds black. 



NORTH and SOUTH Islands : naturalised in many localities, and increasing. Sept. South 

 Europe. 



* MEDICAGO, Linn. 

 Calyx 5-toothed. Wingg exceeding the obtuse keel. Stamens diadelphous, the 

 upper one free. Ovary curved ; stigma sub-capitate ; ovules few or many. ' Pod 

 1-celled, hooded, curved or spirally twisted, sometimes spinous, rarely dehiscent. 

 Herbs, with pinnately 3-foliolate leaves and stipules adnate with the petiole. 



Stems erect. Pods loosely spiral . . . . . . . . . . . . * M. sativa. 



Pods small, compressed, reniform . . . . . . . . . . . . * M. lupulina. 



Pods spirally coiled, spinous. Stipules laoiniate . . . . . . . . * M. denticulata. 



Pods spirally coiled, spinous. Stipules toothed . . . . . . .. * M. maculata. 



* M. sativa, L., Sp. PL 778. Stem erect, 6in.-24in. high. Leaflets narrow- 

 linear or obovate-oblong, dentate, emarginate, mucronate at the apex. Stipules large, 

 subulate. Flowers on long peduncles, racemose or subcorymbose, purple ; pedicels 

 short. Pods laxly twisted or coiled, downy. 



NORTH and SOUTH Islands : in many localities ; a denizen only. Lucerne. Alfalfa. 

 Sept. to Dec. 



*M. lupulina, L., Sp. PI. 779. Annual. Stems procumbent or suberect, 

 spreading, 6in.-18in. long, pubescent. Leaflets cuneate-obovate, toothed, apiculate. 

 Peduncles slender, exceeding the leaves. Pedicels very short, or flowers sessile. 

 Flowers small, yellow. Pods compressed, kidney- shaped, shortly toothed, black, 

 indehiscent, 1-seeded. 



NORTH and SOUTH Islands : generally naturalised. Black 'medick. Sept. to Feb. Eu- 

 rope, &o. 



