100 LEGUMINOS^E. [TRIFOLIUM. 



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

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

 msmbranous ; 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 ^-g- in. broad, 

 terminal and axillary ; peduncle \-\ 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. eleyans only) ; fl. June-Aug. 



Perennial. Stems 2-10 in., flexuous. Petioles long ; leaflets \-\-\ 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, 1ST. 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 a/cuminate, 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, N. to Shetlands; ascends to 2,700 ft. in the Highlands; 

 Ireland; Channel Islands; fl. May-October. Perennial. Stems 1-18 in., 

 creeping. Leaflets ^-1 in., toothed, with often a white semilunar band 

 towards the base ; nerves slender ; petiole 2-4 in. Heads ^-1J in. diam. ; 

 peduncle 3-6 in. Flowers nearly f 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-r>urple flowers. 

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



SECTION 4. Heads many-fld., 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 



