LEGUMINOS^. LXX. Trifolium. 



189 



ovate, acuniinated, entire ; heads of flowers umbellate, almost 

 globose ; flowers numerous, drooping a little, and reflexed after 



havinor nearly equal segments 



Roundish'le'dQetted Trefoil. PI. 5^ to ^ foot. 

 100 T. poLYMoupHUM (Polr. suppl. 8. p. 20.) plant very vil- 

 lous ; stems creeping ; leaflets cuneiform, obcordate, denticu- 



flowering; calyxes glabrous, ^ ^ -.^ — --o , , j. o - 



length of corolla ; legumes 2-3-seeded ; seeds almost reniform, lated, thickly beset with nerves ; stipulas^ broad, membranous 



bay-coloured. ©. H. 

 purple. 



Native of Portugal. 



Flowers pale- at tlie base, follaceous, nerved, ending each in a deflexed mu- 



crone ; heads of flowers roundish, on very long peduncles, axil- 

 /3/-oo/3m^- flowered Trefoil. Fl. Ju. Jul. Clt. 1820. PI. pr- lary, straight, but at length reflexed ; calycine segments somewhat 

 94 T. palle'scens (Schreb. in Sturm, deutschl. fl. 1. fasc. 15.) tetragonal, length of tube, but shorter than the corolla ; vexillum 

 stems creeping; leaflets obovate-roundish, denticulated; stipulas longer than the wings. %. F. Native of the Straits of Ma- 

 scarious, lanceolate, nerved, ending each in a long acumen ; heads gellan and about Buenos Ayres. 

 axillary, on long peduncles ; flowers pedicellate, the pedicels 

 deflexed when in fruit ; calycine segments unequal, longer than 

 die tube but shorter than the corolla. ©, H. Native of Salz- 

 burg, on the alps. Flowers cream-coloured. Perhaps a yellow- 

 ish-flowered variety of T, repens, 



Pa^t'-flowered Trefoil. Fl. Sept. Clt. 1804. PI. creep. | ft. 



Polymorphous Trefoil. PI. creeping. 



101 T. ANGULATUM (Waldst. ct Kit. pi. hung. 1. p. 26. t. 27.) 

 plant almost smooth ; stems decumbent, angular; leaflets obo- 

 vate or obcordate, sharply serrated ; stipulas scarious, narrow, 

 ending in a long acute acumen ; heads of flowers axillary, pe- 

 dunculate ; flowery pedicellate, at length deflexed ; calycine 



95 T. nigre'scens (Viv. frag. fl. ital. p. 12. t. 13.) stems segments narrow, acute, ascending, shorter than the corolla; 

 tufted, decumbent ; leaflets roundish, cuneated, denticulated ; legume exserted, 4-seeded, somewhat articulated ; seeds irre- 

 stipulas membranous, broad, marked with black, ending in a gular, dense, somewhat ovate^ black. 0. H. Native of Hun- 



narrow acumen ; heads of flowers naked ; peduncles longer than 



the leaves; calycine segments unequal, much shorter than the Savi, obs. trif. p. 91. 

 corolla ; legume 3-4-seeded. 

 the banks 



gary, in places impregnated with salt, and about Montpelier. 



Flowers red. 



©. H. Native about Rome, on 



AngulaV'-stemmed Trefoil. 



Fl. Ju. Aug. 



Clt. 1803. PI. dec. 



of the Tiber. Flowers yellowish. 



10:^ T. sERRULAVuM(Lagasc. nov. gen. p. 23.) leaflets oblong- 



Black'ish-le^Yed Trefoil. Fl. June, Aug. PL decumbent. obovate, serrulated ; heads of flowers umbellate, globose ; the 



96 



T. c^.spiTosuM (Reyne, mem. 1. p. 162.) plant quite pedicels reflexed when in fruit; 



alycine segments unequal, 

 about equal in length to the corolla ; legume 2-seeded. 

 Native of 



11. H. 



dy places about Madrid. 

 ScrruIatedAeaxed Trefoil. PI. prostrate. 



smooth ; stems tufted, very short ; leaflets obovate, rather retuse, 



denticulated ; stipulas scarious, narrow, lanceolate, very acute, 



1 -nerved; heads axillary, on long peduncles; flowers almost 



sessile, the pedicels spreading when in fruit ; calycine segments 103 T. suave'olens (Willd. enum. suppl, p. 52. hort. berl. 



nearly equal, lanceolate, spinose at the apex, shorter than the t. 108.) stems weak, striated;^ leaflets obovate, somewhat acu- 



corolla ; legume S-4-seeded ; seeds cordate, bay-coloured. 1/ .H. 



Native o^ Dauphiny, Switzerland, and Piedmont, in alpine mea- 

 dows. 



T. Thalii, Vill. dauph. 3. p. 478. t. 41. The calyxes 

 are longer than in T. repens. Flowers white ? 



Var. /3, glareosum (Ser. mss. in D. C. prod. 2. p. 200.) heads 



small, few-flowered ; calyxes much shorter. 

 Schleich, ex herb. Reyn. 



T. glareosum, 



minated, sharply serrated ; stipulas very narrow, ending each 

 in a long acumen ; heads of flowers somewhat hemispherical, 

 axillary, on long peduncles ; flowers sessile ; ^calycine segments 

 unequal, 1-nerved ; seeds oblong-reniform. 0. H. Native of 

 Persia and of Italy. T. formosum. Curt, ex herb. Coult. 1822. 

 Flowers purplish. Very like T. resupinalum, but the calyxes 



are not bladdery. 



Sweet-scented Trefoil. 



Fl. June, Sept. Clt. 1820. PI. | ft. 



Tufled Trefoih Fl. June, Aug. Clt. 1815. PI. tufted. 



97 T. Burciiellia'num (Ser. mss. In D. C. prod. 2. p. 200.) 



plant smoothibh ; stems short ; leaflets obcordate, sharply toothed ; ^ , 



stipulas long, narrow, lanceolate, foliaceous, bluntish, having denticulated; stipulas broad, rather membiunous,^very narrow. 



104 T. iiy'bridum (Savi, fl. pis. 2. p. 90. obs. trif. 90.) 

 glabrous; stems ascending, solid; leaflets obcordate, cuneiform, 



VMni;s. 



numerous flexuous nerves ; heads of flowers axillary, on long 

 peduncles ; flowers almost sessile ; calycine segments linear, 

 1-nerved, foliaceous, hardly awned at the apex, longer than the 

 tube, but shorter than the corolla ; vexillum longer than the 



"V' G. Native of the Cape of Good Hope. — Burchell, 

 cat. no. 316. 



BuTchelVs Trefoil. PI, | 



98 T. Africa NUM (Ser. mss. in D.C. prod. 2. p. 200.) plant 

 pilose ; stems short ; leaflets obovate or obcordate, somewhat 

 serrulated ; stipulas long and narrow, lanceolate, foliaceous, 



acute 



^1 • 



heads somewhat umbellate, axillary, few-flowered; 

 flowers pedicellate, the pedicels deflexed when in fruit ; calycine 

 segments unequal, broadish, shorter than the tube, and much 

 shorter than the corolla; legume exserted, 4-seeded; seeds 

 irregularly cordate, bav-coloured. 1/ . H. Native of the south 



irregularly cordate, bay-coloured 



Mich. gen. t. 25. f. 6. 



PI. I foot. 



of Europe. 



T. hybridum, Lin. spec. 



Sturm, deutschl. fl. 1. fasc. 15. 



white, 



acute, havin 



1076. in Desf. atl. 2. p. 195. 



T. polyanthemum, Tenore, ex herb. Balb. I lowers 

 tinned witli red. Desfontaine's plant has pale-red flowers. 

 Linneeus thinks his plant is a hybrid between T. pratense and 



numerous, straight, parallel nerves ; 



on long peduncles ; flowers sessile ; calycine 

 segments tetragonal, about equal in length to the tube, but 



flowers axillary 



heads of T. repens. 



Fl. June, Aug. Clt, 1777. Pl.-i to 1 ft. 



Hybr - .^ - •/• \ 



105 T. Micin:LiA\NUM (Savi, fl. pis. 2. p. 139. obs. trif. 93.) 



^"■^tive of the Cape of Good Hope. Burch. cat. pi. afr. extratrop. 

 no. 2S17. -^ . 1 f 



shorter than the corolla ; vexillum length of wings, i;.? G. stem ascending, fistular ; leaflets obovate and obcordate, serru- 



Aativenf fl,o r r-/-.. ', TT T^ ? _ . _i _"_ ™ lated; stipulas foliaceous, lanceolate, acute; lieads ot flowers 



somewhat umbcllalc, axillary; flowers on long pedicels, the 

 pedicels deflexed when in fruit ; calycine segments setaceous, 

 rather spreading, nearly equal, twice or thrice longer than the 

 tube but shorter than the corolla ; legume exserted, 2-seeded ; 

 seeds ovate, compressed, black. ©. II. Native of the soutli 

 of Europe. T. Vaillantii, Lois, journ. bot. 2. p. 3G5. -Mich. 



PI ^ 



foot. 





African Trefoil. 



99 T. rotunda'tum (Ser. in D. C. prod. 2. p. 200.) plant 

 pilose ; stems short, tufted ; leaflets roundish, somewhat obcor- 

 date, almost entire, much nerved ; stipulas broad, each endin^ 

 >n a long mucrone, having numerous flexuous nerves ; heads of 

 jlowers terminal, somewhat globose, villous, fulvous, peduncu- 

 ate ; flowers sessile ; calycine segments tetragonal, nearly equal, 

 ength of tube, but much shorter than the corolla ; vexillum 

 'onger than the wings. ^ . H. Native of? 



gen. t. 25. f. 25. 



Flowers of a greenish-white colour. 



Clt. 1815. "' 



Fl. June, Aug. 



n. pr. 



106 T. e'legans (Savi, fl. pis. 2. p. 161. t. 1. f. 2. obs. trif. 

 92.) stem ascending, solid; leaflets obovate, denticulated; sU- 



