100 LEGUMINOSJE. [Trifolium. 



faint petiole 1-3 in. Heads \ in. diam., often confluent, axillary and ter- 

 minal. Flowers minute, whitish. Standard persistent, scarious. Calyx 

 membranous ; teeth herbaceous, lanceolate, as long as the tube. — Distrib. 

 Mid. Europe and Mediterranean region. 



12. T. stric'tum, L. ; glabrous, petioles very short, leaflets linear- 

 lanceolate, stipules broadly ovate acute toothed, heads peduncled globose, 

 calyx-tube campanulate, teeth subulate spinescent sub-equal spreading in 

 fruit. 



Lizard Rocks, very rare ; Jersey ; fl. June-July.— Annual. Stems 2-6 in., few, 

 ascending. Leaflets |-1 in., toothed ; nerves slender. Heads J-J in. broad, 

 terminal and axillary ; peduncle ^-1 in., strict. Flowers | in., rose-purple. 

 Corolla longer than the calyx. Pod obliquely orbicular, compressed, beaked, 

 dorsal suture much thickened, 1-2-seeded. — Distrib. W. France and Spain 

 to Greece, N. Africa. 



T. hy'bridum, L. ; almost glabrous, leaflets obovate or oblong, stipules 

 oblong tips triangular, heads axillary peduncled globose, pedicels elongate 

 at length reflexed, flowers drooping, calyx-tube campanulate gibbous, 

 teeth subulate nearly equal unaltered in fruit. Alsike Clover. 

 Fields, &c, introduced with clover (the var. elegans only) ; fl. June-Aug.— 



Perennial. Stems 2-10 in., flexuous. Petioles long ; leaflets ^-1 J in., toothed. 



Stipules herbaceous, nerves green. Heads f-1 in. diam., depressed (from 



the dropping flowers) ; peduncles 2-4 in. Flowers \ in., white or rosy. 



Calyx white, teeth green. Standard twice as long as the calyx, striate, 



folded over the 2-seeded pod. — Distrtb. Europe, N. Africa, W. Asia. 

 T. hy'bridum proper ; stem stout fistular, stipules few-nerved. — Var. T. 



el'egans, Savi ; stem weak decumbent solid, leaves more sharply toothed , 



stipules with several nerves, heads small. 



13. T. re'pens, L. ; glabrous, leaflets obovate or obcordate, stipules 

 lanceolate acuminate, heads all axillary very long-peduncled globose, 

 pedicels at length reflexed, calyx-tube campanulate gibbous, teeth triangular 

 unaltered in fruit. White or Dutch Clover. 



Meadows and pastures, 1ST. to Shetlands; ascends to 2,700 ft. in the Highlands; 

 Ireland; Channel Islands; fl. May-October. — Perennial. Stems 1-1S in., 

 creeping. Leafets j-1 in., toothed, with often a white semilunar band 

 towards the base ; nerves slender ; petiole 2-4 in. Heads %-l\ in. diam. ; 

 peduncle 3-6 in. Flmrers nearly \ in., white or rosy. Standard persistent, 

 brown, covering: the pod, much longer than the calyx. Pod elongate, 4-6- 

 seeded. — A Scilly Is. variety (Townsen'dii) has dark rose-nurple flowers. — 

 Distrib. Europe (Arctic), N. Africa, N. and "W. Asia, India, N. America. 



Section" 4. Heads many-fid., axillary ; pedicels short, bracteate. Calyx 

 2-lipped, becoming inflated above, membranous, reticulated ; throat naked ; 

 teeth equal, the upper pair lengthening. Corolla withering, standard 

 deciduous. Pod sessile, 1-2-seeded. 



14. T. fragif'erum, L. ; glabrous, leaflets obovate or obcordate, stipules 

 oblong-triangular with a long point, heads dense-flowered long-peduncled 



