126 



LUGUMINOS/E 



dense oval heads of about 40 yeWov^ Jlozvers, resembling Medicdgo 

 lupulina in habit, but at once distinguished when in fruit by the 

 tawny, hop-like heads of withered flowers, the standard petals per- 

 sisting and arching over the pods ; style shorter than the pod. 

 Dry pastures ; abundant.— Fl. June— August. Annual. 



T. agrdrium, a closely-allied form with the style as long as 



21. 



the pod and the heads larger, occurs as a casual. 



T. diibium 



trif6lium proc6mbens {.Hop Trefoil). 



white and red-flowered 

 August. Perennial. 



22. 1. auoiinn (Lesser Yellow 

 Trefoil), with much smaller heads 

 than T. procumbens^ 4—20- 

 flowered, turning dark brown, is 

 even more common in dry places. 

 — Fl. June — August. Annual. 



23. T. filifbrme (Slender Yellow 

 Trefoil).^ A small, prostrate, very 

 slender, slightly hairy species, with 

 very small 2 — 7-flowered loose 

 heads, is much less common. — Fl. 

 June, July. Annual. 



9. Anthyllis (Kidney- Vetch). 



Herbs or shrubs ; leaves im- 

 paripinnate ; flowers in capitate 

 cymes ; calyx inflated ; petals with 

 long claws ; stamefis monadel- 

 phous ; pod enclosed in the calyx, 

 i-seeded. (Name of Greek origin.) 



\. A. Fzi{//2^raVM (Kidney-Vetch, 

 Lady's Fingers). — The only British 

 species, a handsome, herbaceous, 

 silky plant, with pinnate leaves 

 (the terminal leaflet largest), and 

 yellow flowers^ with pale inflated 

 calyces. The dense, many-flowered 

 heads of flowers grow two together 

 at the end of each stalk, like the 

 two lobes of a kidney. There are 

 varieties. — Dry pastures. — Fl. June — 



10. Lotus (Bird's-foot Trefoil).— Herbs or undershrubs; leaves 

 of 4 or 5 leaflets ; stipules minute or absent ] flowers in long-stalked, 

 capitate or umbellate, cymes ; calyx not inflated ; stanmis diadel- 

 phous ; pod longer than the calyx, straight, cylindric, many-seeded. 

 (Name of Greek origin.) 



