1 



834 



LEGUMINOSiE. CLXXIL Lathyrus. 



longer than the leaves ; legumes, when immature, linear, acu- 

 minated, compressed, glabrous, % • H. Native of North 

 America, in meadows about New York, also of Upper Canada 

 and about Lake Huron. 



Large-stipuledh^iihyrns. Fl. July, Aug. 



Flowers large, purple. 



Clt. 1816. 



PI. cl. 



27 L. MYRTiroLius (Muhl. in Willd. spec. 3. p. 1091.) stem Jlowers. 

 weak, flexuous, tetragonal, not winged; leaves with 2-3 pairs 

 of oblong-lanceolate, bluntish, stiffish, glabrous, mucronate leaf- 



sagittate, lanceolate ; peduncles many-flowered, longer than the 

 leaves. ' %.\{. Native of Germany, in bushy places. Flowers 

 violaceous, about the size of those of O'robus vernus. 

 Vetch-formed h^ithyrus. PI. cl. 



§2. Annual plant s^ having the peduncles hearing from l-i 



« 



Petioles leafless. 



1 , , . , . • . J • 1 • . 1 1 . -Cl -1 • 33 L. A PHACA (Lm. spec. 1029.) stems erect; tendrils cy- 



lets, which are striated with veins ; tendrils trind ; stipulas semi- v i • i ^i-r ^ a / ^ vu ^ ^ a ^ \ \* ^ : 



K. ^ ^ 1 . • X J -.1. I ' ^ . Imdrical, filiform, leafless (rarely with 2 leaflets) ; stipulas ovate, 



sagittate, lanceolate, acuminated, with scabrous margins; pe- ^ .^^ ^ i i ^ ^ a i / ^ a a a\ 



A ^ o A n 11 .1, ^T. 1 ^t u vr\' Sagittate, large : peduncles 1 -flowered (rarely 2-flowerea), arti- 



duncles 3-4-flowered, longer than the leaves. II. H. Native ? . i . .i • /* • u i •.!. • c n v 



r XT .1 A ■ • T^ 1 • J xi, X ^ r XT VI culated at the apex, furnished with a pair ot small, narrow brae- 



ot North America, in Pennsylvania and the state of New. York, ^ , . ^ j ^ ^ . ^u i ^i, r .i, / i, i^ 



1 .r t 1 r .1 XT- . r\ . T-i • • teas; calycine segments twice the length ot the tube: legumes 



and on the banks oi the Niagara to (iueenstown. Ihis species I •^ ,*=», :% o i j i j r^ u 



1,^^*1 11'^ c T /' / * u . j-ir ■ i.1 1 ■ * i.1. much compressed, broad, tew-seeded : seeds compressed. \j*n^ 



has tlie habit or L. palustris. but diiiers in the calycine teeth t-r . ^v- • i • . i iz u t d •. • *u t, - 



1, • V 1 . ^1 t -^ -.1 Iv V ^ T71 A Native of Europe, m cultivated nelds. In Britain, on the bor- 



beinff broad at the base, with the upper ones short. I* lowers red. ^ n ^ ^ ii/>n i,. • r* u -i .i,;,^ 



71/ // 7 ^ T -.1 171 T I A r*!*. 1 or»o ui 1 dcrs of saudy or gravelly fields, but rare; m Uambridgesnire 



iwi/r^/c-fcaiea Lathyrus. t\. July, Aug. Clt, 1822. rl. cl. -i r\ r j i - t, .vr .. i, j t? c u • «..«,roi 



ot. T - /XT *i- ' o fi'7\ 4. ^ ^ 4. and Oxfordshire ; about Tottenham and Enfield; m a gravel- 



25 L. poLvaioRriius (Nutt, gen, amer. 2. p. 97.) stem tetra- . , xt • i i t> i j t? 4. xr^ AxII, 



^„^i „ ^ • 11 -^u ^ -^1.1 pit between Norwich and Brooke : and near torncet, JNorloJK. 



gonal, not winged; leaves with many pairs of oblong or some- fc -m t v . -ii/>^ r^ . n \ i r ^ ci xi-n fi., f 



; .1,0* r.,^ u* ' ^ 1 fl . *' 1 ^ •** . Smith, engl. hot. 1167. Curt. fl. lond, 5. t. 51. — Mill. hg. t. 



what linear, obtuse, mucronate leaflets ; stipulas semi-sagittate, 

 lanceolate; peduncles many-flowered, longer than the leaves. 

 1/. H. Native on the grassy plains of the Missouri. Vicia 

 stipulacea, Pursh, fl. amer. sept, p. 471. Allied to £. palustris. 

 Flowers purple, streaked with deeper veins. 



Polymorphous Lathyrus. FL June, July. Clt. 1824. PL cl. 



43. Flowers small, yellow, with a paler keel, 

 cous herb. 



A smooth, giaa 



Yellow-vetchling 



FL June, July. Brit. PL cl. 1 foot. 



34 L. NissOLiA (Lin. spec. 1029.). stem erect; petioles di- 

 lated, foliaceous, grass-like, 3-5-nerved ; stipulas small, subn- 



29 L. M^cR^-i (Hook, in Beech, voy. p. 21.) plant lather '"!' "fally wantmg.; flowers soltory, on long peJuncfes, 

 pilose i stems, angular •. leaves with 6 pairs^f elli'ptic, retuse, ?l'ir ll!T"^.''f ''.f ',*\.Tl'.t""'. l"!"*:"" "i! "E L 



feather-nerved leaflets, which are reticulately veined, white be- 

 neath, also full of pellucid dots ; stipulas small, semi-sagittate, 

 entire ; peduncles many-flowered, longer than the leaves ; lower 

 segments of calyx very long and subulate, upper ones very 

 short ; style linear, pilose at the apex on all sides, but more 

 conspicuous on the upper side* % . H. Native of Chili, about 

 Valpr 



where they bear 2 little awl-shaped bracteas ; legumes com- 

 pressed, narrow, nerved, reflexed. 0. H. Native of Europe, 

 in corn-fields. In Britain, in bushy places and grassy borders 



of fields. Smith, en^l. hot. 112.— Macrn. hort. t. 112. Curt, 



-Mons. 



ted 



and Conception. 



Mac liae's Lathyrus. PL cl. 



SO L. pALu'sTRis (Lin. spec. 1034.) plant quite glabrous; 

 stems winged, erectish : leaves with 2-3 pairs of oblong, mucro- 

 nulate leaflets; petioles subulate; tendrils bifid or trifid ; sti- 

 pulas semi-sagittate, acute, small ; peduncles 3-5-flowered, hardly 

 longer than the leaves ; calycine segments unequal, nearly linear, 

 length of tube; legumes compressed. 1^. H. Native of the 

 north of Europe, in meadows and marshes ; plentiful in Britain. 

 Smith, engl. bot. t. 169. Oed. fl. dan. t. 399. Mart. fl. rust. 

 t. 8. 



Flowers variegated with blue and purple. 



Smith, engl. bot. 112. 

 lond. fasc. 6. t. 51. Buxb. cent. 3. p. 84. t. 45. f. 1. 

 hist. sect. 2. t. 3. f. 7. Flowers beautiful crimson, variega 

 with purple and white. The plant, when young, very much re- 

 sembles a grass. 



NissoVs Lathyrus or Crimson Grass-vetch.' FL May, June. 



Britain. PL -| to 1 foot. 



* Leaves with 1 pair of leaflets, 

 5 L. suBULA^Tus (Lam. diet. 2. p. 707.) plant pilose; stems 



3 



tufted, filiform, tetragonal; leaves on short petioles; ten 

 very short ; leaflets linear, acute ; stipulas linear, semi-sagittate, 

 nearly the length of the leaflets ; peduncles l-S-flowered; caly- 

 cine segments narrow, acute, nearly equal, length of tube. 0- *^' 

 Garid. prov. t. 108. L. Narbonensis, Riv. tetr. t. 40. Native of Monte Video. Flowers purple, like those of L> t^ 



mentosus, but much smaller. 



Var, /3, Ihiearif dlius 



(Ser. mss. in D. C. prod. 2. p. 371.) 



Native of Denmark and 



PL 1 foot. 



leaflets and stipulas very narrow. 

 Switzerland. 



Far. y, suhexstipulatus (Ser. mss. in D. C. prod. 2, p. 371.) 

 leaves with 2 pairs of linear-oblong leaflets ; stipulas small, se- 

 taceous. L. palustris, Nestl. ex herb. D. C. 



Marsh Lathyrus. FL July, Aug. Britain. 



;y«6w/flr^e"leafletted Lathyrus. __. 



36 L: inconspi'cuus (Lin. spec. 1030.) stems obsoletely tri- 

 quetrous ; leaflets lanceolate, striated beneath, acuminated, 

 stipulas semi-sagittate, lanceolate ; tendrils on the lower lea^es 

 almost wanting, on the upper ones filiform and elongated ; p^ 

 - - ^ - - ' - " Native of the Levant. 



PL cl. 



Jacq. hort. vind. 1. t. 86. 



dunclea very short, 1 -flowered. ©. H. 



Corolla small, red, very little longer^ 

 Legumes glabrous, straight, about the lengtti o 

 the leaflets, but broader. 



Var. /3, ohlongus (Ser. mss. in D. C. prod. 2. p. 372.) leaflets 



31 L. heterophy'llus (Lin. spec. 1034.) stem erect, rigid, than the calyx. 

 winged ; leaves with I or 2 pairs of lanceolate, mucronuTate 

 leaflets ; petioles winged at the base ; tendrils branched ; stipulas 



lanceolate, semi-sagittate; peduncles 6-8-flowered ; legumes broad, elliptic; legumes finely reticulated, puberulous 



compressed, glabrous. %, H. Native of Europe, at the bottom 



of mountains. — J. Bauh, hist. 2. p. 304. f. 1. Flowers large, 



with the standard and wings flesh-coloured and the keel whitish. 



By the leaves, the wings of the stem, and the size of the 



flowers, it appears to be intermediate between Z. latif alius and 



i 



L, sylvestris. 



Various-leaved Lathyrus. 



PL cl. 



Fl. July, Sept. Clt. 1731. 



32 L. vicivEFoRMis (Wallr. schred. crit. p. 388.) stems simple, 

 and are as well as the petioles winged ; leaves with 6 pairs of 

 linear-lanceolate, acuminated, mucronate leaflets; stipulas semi- 



/ncon5p2CMOM5-flowered Lathyrus. FL June, Aug. Clt. 173 • 

 PL I to 1 foot. 



37 L. sph^'ricus (Retz. obs. 3. p. 39.) plant smoothish; 

 stems erect, tetragonal, subulate at the apex ; leaflets ^ns"J^ 

 mucronate, nerved; stipulas semi-sagittate, linear, length 0| 

 peduncles and petioles; peduncles 1 -flowered, thickish; eaiy- 

 cine teeth narrow, longer than the tube ; legumes somewM 

 torulose, nerved lengthwise ; the nerves numerous and thick '. 



seeds spherical. 

 cultivated fields. 



O. H. 



^„ D.C.icon. rar. 1. p. lo. t. 32. 



Ail. pedem. no. lJi22. L. 



Native of the south of Europe, lO 



L. coccineus, 



ris. Lam. diet. 2. p* ' * 



axilla 



_ —i-^ -'-^ 



