124 LEGUMINOS^. 



deep crimson, in solitary, terminal, stalked, cylindric heads i — 3 

 in. long ; calyx-teeth hairy, shorter than the corolla, spreading in 

 the fruit. — A common fodder crop, sometimes escaping. — Fl. 

 June, July. Annual. 



7. T. Molinerii (Large-headed White Trefoil). — Perhaps the 

 original wild form of the preceding, from which it differs in being 

 shorter, and in having adpressed hairs and white or pink flowers 

 in conical heads about i in. long. — On the cliffs at the Lizard, 

 Cornwall. — Fl. June, July. Annual. 



8.* T. stelldtuui (Starry-headed Trefoil). — A prostrate form with 

 terminal, stalked, globose heads of small cream-coloured flowers, 

 and hairy calyx-teeth spreading remarkably in a star-like manner in 

 fruit, — Occurs as a casual on the shingle near Shoreham, Sussex. — 

 Fl. June, July. Annual. 



9. T. arv'ens'e (Hare's-foot Trefoil). — Softly hairy, erect, branched; 

 flowers small, pale pink, in terminal, stalked cylindric heads about 



I in. long, and almost concealed in the long, very soft, russet hairs 

 of their calyces. — A very distinct species ; common in sandy places. 

 — Fl. July — September. Annual. 



■^■^■^ Heads many-flowered, termi?ial and axillary 

 I Throat of calyx with a ring of hairs : pod i-seeded 



10. T. Boccone i (Boccone's Trefoil). — A small pubescent erect 

 species, 2 — 6 in. high, with oblong stipules with bristly points, and 

 sessile dense conical heads, usually 2 together, of small white 

 flowers. — Grows in dry places at the Lizard. — Fl. July. Annual. 



11. T. striatum (Soft-Knotted Trefoil). — A prostrate, ascending, 

 silky species with small rose-coloured flo'vers in sessile, terminal 

 and axillary, ovate downy heads ; and a ribbed calyx swelling after 

 flowering. — Dry places, especially near the sea; frequent. — Fl. 

 June, July. Annual. 



12. T. scdbrum (Rigid Trefoil). — A small downy, prostrate 

 plant, with inconspicuous white flowers in sessile, dense, ovoid, 

 terminal and axillary heads, which become prickly from the rigid, 

 spinescent, spreading calyx-teeth when in fruit. — Dry places ; often 

 growing with the preceding, but less common. — Fl. May — July. 

 Annual. 



I Throat of calyx glahrow; ; pod 2 — ^.-seeded 



13. T. glojneratum (Smooth Round-headed Trefoil). — Very 

 similar to the preceding, but glabrous and with rounder heads of 

 purplish flowers and more leafy broad calyx-teeth, which are 

 spinescent and reflexed in fruit. — Gravelly places near the sea ; 

 rare. — Fl. June. Annual. 



