102 XXIII. LEGUMINOSAE. [Medicaffo. 



*M. denticulata, Willd., Sp. PI. iii. 1414. Annual. Stems 6in.-18in. long, 

 J)rostrate or ascending, almost glabrous. Stipules laciniate. Leaflets broadly 

 obcordate. Peduncles 2-10-flowered. Pedicels very short. Flowers small, yellow. 

 Pod spirally coiled in two or three lax turns, reticulate; margins thin, with 2. rows 

 of divergent hooked spines. 



NOBTH and SOUTH Islands ; STEWART Island ; CHATHAM Islands : generally natural- 

 ised. Toothed medick. Sept. to Jan. Europe, North Africa. 



" M. maculata, Willd., Sp. PI. 1412. Annual, procumbent or spreading, 

 pubescent or nearly glabrous. Stipules toothed. Leaflets triangular, obcordate, with 

 a dark central spot, minutely toothed. Peduncles 3-5-flowered. Flowers yellow. 

 Pods compactly spiral in 3-5 compact coils, compressed, furrowed on the thick edge 

 and faintly reticulate ; spines in 2 divergent rows, subulate, hooked. 



NORTH Island : Auckland, Hawke's Bay, Wellington. Naturalised, but rather local. 

 Spotted medick. Sept. to Dec. Europe, North Africa. 



* MELILOTUS, Tourn. 

 Calyx-teeth 6, nearly equal. Petals deciduous ; standard oblong ; keel obtuse. 

 Ovary straight. Pod oblong or subglobose, short but exceeding the calyx, 1-4- 

 seeded. Annual or perennial herbs, with pinnately 3-foliolate leaves and erect 

 racemes of small flowers. 



Stipules setaceous. Pod acute, black. . .. .. .. .. .. * M. officinalis. 



Stipules subulate. Pod obtuse, brown . . . . . . . . . . * M. arvensis. 



Stipules linear-subulate. Pod acute, reticulate, black . . . . . . . . * M. alba. 



*M. officinalis, Lam., Fl. Fr. ii. 594. Stems erect, furrowed, lft.-2ft. high. 

 Stipules setaceous. Leaflets obovate-oblong, obtuse, toothed. Eacemes axillary, 

 2in.-4in. long, naked below. Flowers yellow, drooping. Wings, keel, and standard 

 of equal length. Pod ovoid, acute, compressed, hairy, black. 



NORTH Island: Auckland to Wellington: naturalised, but not common. SOUTH Island: 

 near Christchuroh. Melilot. Dec, Jan. 



* M. arvensis, Wallr., Sched. Grit. 391. Stems spreading, wiry. Stipules 

 subulate. Leaflets linear-oblong, sharply toothed. Eacemes naked below. Flowers 

 small ; wings and standard equal, longer than the keel. Pod ovoid, obtuse, mucro- 

 nate, rounded on the back, transversely wrinkled, glabrous, brown. 



NOBTH and SOUTH Islands ; CHATHAM Islands : naturalised in waste places, &o. Deo. 

 to Feb. Europe, &o. 



* M. alba, Desr. in. Lam. Efioyc. iv. 63. Stems erect, wiry, sparingly leafy. 

 Stipules linear-subulate. Leaflets linear-obovate or cuneate-obovate, obtuse. Flowers 

 white. Wings and keel equal, shorter than the standard. Pods ovate, acute, apicu- 

 late, reticulate, glabrous, black. • 



NORTH Island : Napier. SOUTH Island: near Lincoln and Springston. Sparingly natural- 

 ised in waste places, &c. White melilot. Bokhara clover. Jan. to March. 



•TRIFOLIUM, Linn. 



Calyx-teeth 6, unequal. Corolla persistent ; the claws of all the petals, or 

 sometimes with the exception of the standard, united below with the staminal tube. 

 Filaments slightly enlarged upwards ; upper stamen free. Pod indehiscent, included 

 within the calyx or partially extruded, 1-4-seeded. Small annual or perennial herbs, 

 with, digitate or pinnate 3-foliolate leaves, stipules adnate with the petiole, and 

 flowers in dense heads or spikes. 



