190 



LEGUMINOS^. LXX. Trifolium 



pulas leafy, ending each in a long, narrow acumen ; heads of 1^. H. Native of Calabria, on Mount Corno, Flowers white. 



flowers subglobose, axillary ; flowers on short pedicels, the pe- Allied to T. montanum. 



dicels deflexed when in fruit; calycine segments about equal, /JocZ; Trefoil. Fl. June, July. Clt. 1820. PL 1 foot. 



triquetrous, longer than the tube, ascending, shorter than the 

 corolla ; legume 2-seeded : seeds minute, ovate, compressed, 

 black. If. H. Native of Europe. T. Vaillantii, Poir. diet. 

 8. p. 4. exclusive of the synonyme of Micheli. — Vaill. hot. par. 

 t. 22. f. 1. Flowers pale-red or white. Plant creeping. 



Elegant Trefoil. 



113 T. PRiETUTiA^NUM (Gu5s. pi. rar. 308.) clothed with soft 

 and dense pili ; stems tufted and ascending ; leaflets oval, entire, 

 or denticulated, finely veined tow^ards the margins; stipuhs 

 narrow, ending in a long, bristle-like acumen ; heads of flowers 

 globose, solitary, bracteated by a stipule ; tube of calyx lined 



FL Ju. Sept, Clt. 1823. PI. ^to| ft. spr. with pili; the segments awl-shaped and parallel, unequal, having 



107 T. isthmoca'rpon (Brot. pliyt. p. 148. t. Gl.) stems pros- the throat filled with white pili. %. H. 



trate and ascending ; petioles much shorter than the peduncles ; 

 leaflets obovate, obtuse, serrulated, villous ; stipulas broad. 



Native of the hi^lier 



mountains of Aprutia, on Mounts Corno and Cortone. Steins 



3 inches high. 



nerved, subulate ; heads of flowers ovate ; flowers sessile ; ca- Prutean Trefoil. 



lycinc segments equal, erect, small, shorter than the corolla, 

 which is somewhat falcate ; legume 2-3-seeded; seeds somewhat 

 reniform, of a yellowish-grey colour. ©. ^.?H. Native of 

 Portugal. Legume membranous, coarctate in the middle from 



Flowers reddish. 

 PI. \ foot. 



5 



spongy substance. Flowers pale-purple. 



Neck-f] 



PI. ascending, -^ foot. 



114 T. LATiNUM (Seb. pi. rom. fasc. 1. pt. 7. t. 1. f. 2.) stem 

 erectish, dichotomous ; leaflets lanceolate, acuminated, nearly 

 entire ; stipulas narrow, nerved, pilose, linear, acute ; lieatls of 

 flowers on long peduncles, oval; calycine segments between 

 triangular and subulate, ciliated, lowest one very long, but 

 shorter than the tube of the corolla; legume membranous; 

 seeds somewhat turbinate. !{:. H. Native near Rome. The 

 whole plant is very soft and beset with small short pili. Flowers 

 red or white. 



lOS T. REFLt'xrM (Lin. spec. 1079.) plant pilose; stems 

 ascending; leaflets obovate, serrulated ; stipulas foliaceous, ob- 

 liquely-cordate, acuminated ; heads of flowers globose, axillary ; 

 flowers on long pedicels, at length deflexed ; calycine segments Latin Trefoil. Fl. June, July. Clt. 1825. 



nearly equal, very narrow, 1 -nerved, nearly twice the length of 

 the tube, but shorter than the corolla, i;.? H. Native of Vir- 

 ginia. Flowers purple. Heads of flowers nearly twice the size 

 of those of T, elcgans. 



PL I foot. 



Sect. V. Vesica' 



eflcxed 



Legumes usually 3-seeded. 



Fl. Ju. Aug. 



M (from vesica^ a bladder, and astnm, 

 an affixed signification, like ; in reference to the calyxes in all 

 the species of this section being inflated after flowering). Ser. 



109 T. Carolinia NUM (Mich. fl. bor. amer. 2. p. 58.) plant 

 small ; leaflets roundish, obcordate, ciliated; heads pedunculate, 



Clt. 1794. PI. pr. mss. in D. C. prod. 2. p. 202. Flowers disposed in dense heads; 



under lip of calyx remaining unchanged, but the upper one, 

 after flowering, becomes increased and inflated, and covers the 



reflexed, few-flowered ; calycine segments straight, linear, shorter legume in a kind of arched manner. Nerves in the leaves nu- 



than the tube 



legume usually 3-seeded. 

 Carolinian Trefoil. 



corolla white, hardly exserted beyond the calyx ; 



Native of Carohna. 



1(.?H. 



PL l~ foot. 



110 T. monta'num (Lin. spec. 1087.) plant pubescent ; stem 

 erect, nearly simple; leaflets lanceolate-oblong, obtuse, denti- 

 culated, thickly beset with nerves; stipulas lanceolate, very 

 acute : heads of flowers nearly globose, axillary, pedunculate, 



_ . flowers almost sessile, crowded, spreading, 

 at length reflexed ; calycine segments unequal, narrow, length 

 of tube, but shorter than the carinaj^ legume 1 - seeded ; seed 

 ovate-roundish. -■ "^ ^^ . - — 



dows. 



Fl. dan. 1172. 



merous. 



115 T. SUBTERRA^NEUM (LlU. SpCC 



procumbent ; leaflets obcordate, entire ; stipulas 



1080.) 



but at lenjTth oblonff 



villous; stems 

 lanceolate, 



broad, acute; heads few-flowered, usually 3-4, piercing the 

 ground when in a seeding state ; the lower flowei's fertile having 



upper flowers sterile, empty, elongatedi 

 deflexed; legume 1-seeded; seed ovate, black. 0. H. ^a- 



the calyx inflated ; 



1/ . H. Native of Europe, in mountain mea- 

 Savi, obs. trif. 100. Sturm, deutschl. fl. 1. fasc. 15. 



Flowers white. 



/3 



heads of flowers globose, solitary, on long peduncles, thicker ; 

 calyxes larger. 



lar. 7, hcamm (Ser. 1 c.) stem, peduncles, and lower surface 

 of leaves clothed with hoary pili. Native of Bessarabia. 



Mounfain Trefoil. Fl. June, Aug. Clt. 1786. PL 1 to 1 ft. 



111 T. Balbisia'num (Ser. mss. in D. C. prod. 2. p. 201.) 

 plant villous; stems tufted, simple; leaflets elliptic, obtuse, 

 denticulated, much nerved ; stipulas lanceolate, acute ; heads of 

 flowers hemispherical, terminal, solitary ; peduncles much longer 

 than the stamens ; flowers ascending, purple ; calycine segments 

 equal, spreading, narrow, much longer than the cylindrical tube, 

 and shorter than the carina. 1/. H. Native of Provence, on 

 Mount Lachen. 



Balhis's Trefoil. PI. 1 to 1 foot. 



112 T. rupe'stre (Tenore, ex Gussone, in herb. Dunant. 

 D. C. prod. 2. p. 201.) stems erect, simple ; leaves nearly all 

 radical ; leaflets oval, denticulated, much nerved; stipulas mem- 

 branous, acuminated ; peduncle striated, pilose, terminal, length 

 of stem ; flowers capitate, depressed, at length deflexed; calyx 

 rather coriaceous, having smooth, blackish-green an^rles ; the 

 teeth or segments narrow, parallel, equal, longer than the tube. 



tive of Europe ; plentiful in Britain, in dry gravelly pastures, 

 and on barren heaths and exposed places, as on Black-heatn, 

 Greenwich -park, Hyde-park, &c. Savi, obs. trif 12. Smitn» 

 engl. hot. 1048. Curt. loud. 1. t. 54. Flowers white or very 

 pale red. Involucrum central, reflexed, stiff*, starry, embracing 

 the fruit. 



Subterraneous Trefoil. Fl. May, Aug. Brit. PI. pr- 

 116 T. VEsicuLosuM (Savi, fl. pis. 2. p. 165. obs. trif. S^-) 

 stems erect, firm, striated ; leaflets lanceolate, acute,^ sharply 

 serrulated ; stipulas narrow, rather membranous, ending each 

 in a long acumen ; heads of flowers ovate, thick, on long pedun- 

 cles ; calyxes scarious, inflated ; the segments subulate and very 

 acute, equal, much shorter than the corolla ; legumes g-seeded; 



" ' Native of the soiUft 



seeds ovate, compressed, yellow. ©. H. * 



T. recurvum, Walds. et Kit. pi. rar. hung. '^^ P* 



- ~ ^ - Flowers 



of Europe. 



179. t. 165. and T, turgidum, Bieb. 1. c. and suppl. 

 reddish. 



PI. h ft 



size of those of 1\ 



Bladd€r7j-ca]yxed Trefoil Fl. Ju. Jul. Clt. 1805. 



117 T. AMBiGuuM (Bieb. fl. taur. 2. p. 208.) stems creeping; 

 leaflets ovate, bluntish, serrulated ; heads dense, double tN 



repens ; calyx striated; tbe teeth near, 

 equal, subulate, and divaricate; vexillum lanceolate; legun^^ 

 l-2.seeded. %. H. Native of Tauria and Caucasus in mea- 

 dows, and on the lower Volga. The barren stems creeping aB 

 tufted, the floriferous ones erect. Flowers pale-red. . , 



far. (i, ccerulescens (Bieb. fl. taur. suppl. 507.) corollas bluish 



Native of the south of Tauria. 



PI. I foo^ 



Amhigiwus Trefoil. 



Fl. June, July, Clt. 1815. 



