LEGUMINOS.E. LXX. TRIFOLIUM. 



181 



liairy ; leaflets obcordate, hairy : stipulas ovate, acuminated ; 

 heads terminal and lateral ; calyx campanulate, lined ; the seg- 

 ments subulate and spreading, hairy. O- H. Native of? 

 Corolla small and pale-purple. 



Soft-flowered Trefoil. Fl. July, Aug. Clt. 1824. PI. ft. 



18 T. SYLVA'TICUM (Gerard, in Lois. not. p. 1 1 1.) stem a little 

 branched, erect, pubescent ; leaflets ovate, obtuse : stipulas di- 

 lated, upper ones inclosing the spike of flowers ; spike oblong, 

 villous ; calycine segments setaceous, ciliated, shorter than the 

 corolla, one of which is longer than the rest and spreading. 

 Q. ? H. Native of the south of France. Plant clothed with 

 silky wool. Corolla purple. Spike about an inch long, con- 

 stantly composed of about 40 flowers. 



Wood Trefoil. FL June, July. Clt ? PL i foot. 



19 T. NI'GRO-PUNCTA'TUM (Wahl. in isis. 1828. vol. 21. p. 

 971.) spikes of flowers oblong, pednnculated ; lower tooth of 

 calyx shorter than the wings of the corolla, which is gamopeta- 

 lous ; stipulas linear, lined with black ; leaflets lanceolate-ellip- 

 tic ; stem branched. . H. Native about Constantinople. 



Black-dotted-stipu\ed Trefoil. PL 1 foot. 



SECT. II. PHLEA'STRUM (from phlciim, the cat-tail grass, and 

 astrum, an affixed signification, like ; the heads of most of the 

 species resemble those of the cat's-tail grass). Ser. mss. in D. C. 

 prod. 2. p. 1 92. Flowers disposed in ovate-conical heads. 

 Calyx not inflated after flowering. 



20 T. BOCCONI (Savi, obs. trif. p. 37. no. 14.) stem erect, 

 branched ; leaflets oblong-obovate, denticulated at the apex ; 

 stipulus very long and very narrow, subulate ; heads ovate, 

 dense-flowered, twin, sessile, terminal, bracteate at the base ; 

 segments of the calyx nearly equal, narrow, coarsely nerved in 

 the middle, length of tube, and about equal in length to the co- 

 rolla ; seeds small, yellow, egg-shaped ; radicle prominent. 

 O- H. Native of Italy, Corsica, Portugal, and Andegavany. 

 T. collinum, Bast. fl. main, et loir, and Poir. suppl. p. 5. T. 

 semiglabrum, Brot. phyt. p. 155. t. 63. f. 2. Flowers pale-red. 



Bicconi's Trefoil. FL June, July. Clt. 1820. PL i foot. 



21 T. STRiA x TUM(Lin. spec. l()85.)stemprocumbent,branched; 

 leaflets obovate-oblong, denticulated at the apex, downy ; sti- 

 pulas membranous, broad, nerved, apicvdated ; heads ovate- 

 conical, dense, terminal and lateral, solitary, sessile, bracteate 

 at the base ; tube of calyx much nerved, ventricose, the teetli 

 small and unequal, divaricated, bristle-shaped, shorter than the 

 corolla ; seeds turgid, bay-coloured, egg-shaped ; radicle not 

 prominent. O- H. Native of Europe, in dry sandy places; 

 plentiful in some parts of Britain, in dry barren sandy fields and 

 pastures. Smith, engl. bot. 1843. Flowers pale-red. 



Slriated-calyxed Trefoil. Fl. June, July. Brit. PL proc. 



22 T. TENUIFLORUM (Tenore, prod. p. 44. et cat. 1819. p. 

 58.) stems erect, branched, villous ; leaflets obovate-cuneated, 

 serrulated, villous ; lower stipulas lanceolate, acute, upper ones 

 ovate, mucronate. nerved : heads cylindrical, villous ; flowers 

 length of calyx ; calyx clothed with rufous, silky pubescence ; 

 the teeth spinose. O- H. Native about Naples. Flowers 

 pale-red. 



Fine-flowered Trefoil. Fl. June, July. Clt. 1823. PL 1 ft. 



23 T. TENUU'OLIUM (Ten. fl. nap. pr. p. 44.) stem and 

 branches erect ; lower leaflets obcordately-cuneated, superior 

 ones linear, denticulated towards the apex, mucronate ; calycine 

 teeth unequal, setaceous, shorter than the corolla ; heads of 

 flowers oblong, solitary, or twin, sessile. O- H. Native of 

 Lucania, in sandy fields. Flowers straw-coloured. Stems nu- 

 merous from the root. Corolla gamopetalous. The plant has 

 the habit of T. Boccbni. 



Fine-leaved Trefoil. Fl. May, July. PL 1 foot. 



24 T. SCA'BKUM (Lin. amcen. 4. p. 287. spec. 1084.) stem 



procumbent ; leaflets obovate, denticulated ; stipulas ovate, small, 

 nerved, somewhat membranous, pointed ; heads of flowers 

 ovate, sessile, terminal, and lateral ; calycine segments linear- 

 lanceolate, stifF, 3-nerved, unequal, hardly equal in length to 

 the polypetalous corolla ; finally recurved ; seeds ovate, yellow ; 

 radicle not prominent. Q. H. Native of Europe, in sterile 

 barren places ; plentiful in some parts of Britain, in chalky and 

 dry barren fields. Smith, engl. bot. 903. Flowers white. 



Scabrous Trefoil. Fl. May, July. Britain. PL procumb. 



25 T. DALMA'TICUM (Visiani ex bot. zeit. march. 1829. p. 

 21.) pubescent ; stems prostrate, indexed at the apex ; stipulas 

 ovate, membranous, nerved ; leaflets stalked, nerved, obovate, 

 finely denticulated, floral ones almost sessile, involucrated by 

 dilated stipulas ; heads of flowers ovate-conical, axillary, and 

 terminal, sessile and leafy at the base ; calyx pubescent, having 

 linear, straight teeth, which are at length recurved, not half the 

 length of the gamopetalous corolla, f . H. Native of Dalma- 

 tia. Flowers white or red. Allied to T. scabrnm. 



Dalmatian Trefoil. PL prostrate. 



SECT. III. EUTRIPHY'LLUM (from tv, eu, well or good, and 

 rp<^i/AXov, triphyllon, trefoil ; genuine species). Ser. mss. in 

 D. C. prod. 2. p. 192. Flowers disposed in ovate, pedunculate, 

 or sessile, usually bracteate heads. Calyx villous, not inflated. 



26 T. MARI'TIMUM (Huds. angl. ed. 1. p. 284.) stem spread- 

 ing, often recumbent ; heads of flowers somewhat ovate-glo- 

 bose ; leaflets oblong-obovate, obtuse, or emarginate, somewhat 

 denticulated ; stipulas narrow, pointed ; spikes ovate-globose, 

 nearly sessile ; calycine segments shorter than the tube and poly- 

 petalous corolla, stiff', unequal, at length much dilated and 

 spreading, 3-nerved ; seeds ovoid, bay-coloured, hardly gibbous 

 at the base. Q. H. Native of Europe, by the sea-side in salt 

 marshes and meadows ; plentiful in some parts of Britain, on 

 the east and south coasts of England, from Norfolk to Somer- 

 setshire in various places. Smith, engl. bot. 220. Hook. fl. 

 loud. t. 57. T. irregulare, Pour. act. toul. 3. p. 331. T. rigi- 

 diim, Savi, fl. pis. 2. p. 159. t. 1. f. 1. obs. trif. p. 42. 

 Flowers pale-red. Plant hairy. 



Var. ft, Bastardifmuin (Ser. mss. in D. C. prod. 2. p. 192.) 

 spikes pedunculate ; calycine segments larger and finely nerved. 



Sea-side Trefoil. FL June, July. Brit. PL decumbent, or 

 7j foot high when growing in a tuft. 



27 T. SUPINUM (Savi, obs. trif. p. 46. f. 2.) stems spreading, 

 branched ; leaflets obovate, broad, ciliated ; stipulas narrow, 

 nerved, small, subulate ; heads somewhat obovate, pedunculate, 

 egg-shaped after flowering ; calycine segments unequal, linear, 

 stiff, spreading, shorter than the corolla ; seeds unequally sub- 

 cordate, bay-coloured ; radicle prominent. O- H. Native of 

 the south of Europe. Flowers pale-red. 



Supine Trefoil. Fl. June, July. Clt. 1816, PL trailing. 



28 T. CONSTANTINOPOLITA'NUM (Ser. mss. in D. C. prod. 2. 

 p. 193.) stems spreading, branched; leaflets lanceolate-linear, 

 somewhat denticulated ; stipulas narrow, nerved, subulate ; heads 

 of flowers somewhat globose, terminal, and lateral, pedunculate 

 when mature, of a conical shape ; flowers crowded, at length 

 rather loose, and apparently somewhat verticillate ; calycine 

 segments unequal, subulate, stiff, much shorter than the corolla. 

 O- H. Frequent about Constantinople. Flowers yellow. 



Constantinople Trefoil. Fl. June, July. Clt. 1820. PI. spread. 



29 T. XATA'RDI (D. C. fl. fr. 5. p. 558.) stem erect, villous, 

 branched ; leaflets obovate-elongated, a little ciliated ; stipulas 

 narrow, nerved ; heads of flowers ovate, pedunculate ; calyx 

 striated, glandular, and pilose ; the segments hardly unequal and 

 smaller than the corolla. Q. H. Native of the eastern Py- 

 renees. Flowers pale-purple ? 



