334: 



LEGUMINOS^E. CLXXII. LATHYRUS. 



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

 minated, compressed, glabrous. I/ . H. Native of North 

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

 and about Lake Huron. Flowers large, purple. 



Large-stipuledLaihyrus. Fl. July, Aug. Clt. 181G. PI. cl. 



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

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

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

 lets, which are striated with veins ; tendrils trifid ; stipulas semi- 

 sagittate, lanceolate, acuminated, with scabrous margins ; pe- 

 duncles 3- 1-flowered, longer than the leaves. 7. H. Native 

 of North America, in Pennsylvania and the state of New York, 

 and on the banks of the Niagara to Queenstown. This species 

 has the habit of L. palustris, but differs in the calycine teeth 

 being broad at the base, with the upper ones short. Flowers red. 



Myrtle-leaved Lstthyrua. Fl. July, Aug. Clt. 1822. PI. cl. 



28 L. POLYMORPHUS (Nutt. gen. amer. 2. p. 97.) stem tetra- 

 gonal, not winged ; leaves with many pairs of oblong or some- 

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

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

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

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

 Flowers purple, streaked with deeper veins. 



Polymorphous Lathyrus. Fl. June, July. Clt. 1824. PI. cl. 



29 L. MACR/E'I (Hook, in Beech, voy. p. 21.) plant rather 

 pilose ; stems angular ; leaves with 6 pairs of elliptic, retuse, 

 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 ; lowef 

 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. If. . II. Native of Chili, about 

 Valparaiso and Conception. 



Mac Rae's Lathyrus. PI. cl. 



30 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. If.. H. Native of the 

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

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

 t. 8. Garid. prov. t. 108. L. Narbonensis, Riv. tetr. 't. 40. 

 Flowers variegated with blue and purple. 



J'fir. ft, linearij 'olius (Ser. mss. in D. C. prod. 2. p. 371.) 

 leaflets and stipulas very narrow. Native of Denmark and 

 Switzerland. 



Far. /, subexstipulalus (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. 



RIarsh Lathyrus. Fl. July, Aug. Britain. PI. cl. 



31 L. HETEROPHY'LLUS (Lin. spec. 1034.) stem erect, rigid, 

 winged ; leaves with 1 or 2 pairs of lanceolate, mucronulate 

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

 lanceolate, semi-sagittate ; peduncles 6-8-flowered ; legumes 

 compressed, glabrous. 3.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 L. latif olius and 

 L. sylvestris. 



Various- leaved Lathyrus. Fl. Julv, Sept. Clt. 1731. 

 PI. cl. 



32 L. VICI^EFORMIS (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- 



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

 leaves. If. . H. Native of Germany, in bushy places. Flowers 

 violaceous, about the size of those of O'robus lernus, 

 J 'etch-formed Lathyrus. PI. cl. 



2. Annual plants, having the peduncles bearing from 1 -3 

 floners. 



* Petioles leafless. 



33 L. A'PHACA (Lin. spec. 1029.) stems erect ; tendrils cy- 

 lindrical, filiform, leafless (rarely with 2 leaflets) ; stipulas ovate, 

 sagittate, large ; peduncles 1-flowered (rarely 2-flowered), arti- 

 culated at the apex, furnished with a pair of small, narrow brae- 

 teas ; calycine segments twice the length of the tube ; legumes 

 much compressed, broad, few-seeded ; seeds compressed. Q. H. 

 Native of Europe, in cultivated fields. In Britain, on the bor- 

 ders of sandy or gravelly fields, but rare ; in Cambridgeshire 

 and Oxfordshire ; about Tottenham and Enfield ; in a gravel- 

 pit between Norwich and Brooke ; and near Forncet, Norfolk. 

 Smith, engl. bot. 1167. Curt. fl. lond. 5. t. 51. Mill. fig. t. 

 43. Flowers small, yellow, with a paler keel. A smooth, glau- 

 cous herb. 



Yellorv-vetchling Fl. June, July. Brit. PI. cl. 1 foot. 



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

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

 late, usually wanting ; flowers solitary, on long peduncles ; 

 peduncles articulated at the apex, and downy on the upper part, 

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

 pressed, narrow, nerved, reflexed. O- H. Native of Europe, 

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

 of fields. Smith, engl. bot. 112. Magn. hort. t. 112. Curt, 

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

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

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

 sembles a grass. 



Nissol's Lathyrus or Crimson Grass-vetch. Fl. May, June. 

 Britain. PI. i to 1 foot. 



* * Leaves with 1 pair of leaflets. 



35 L. SUBULA'TUS (Lam. diet. 2. p. 707.) plant pilose; stems 

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

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

 nearly the length of the leaflets; peduncles 1-3-flowered; caly- 

 cine segments narrow, acute, nearly equal, length of tube. 0. H. 

 Native of Monte Video. Flowers purple, like those of L. to- 

 mentosus, but much smaller. 



Stibulate-leaRetted Lathyrus. PI. 1 foot. 



36 L. INCONSPI'CUUS (Lin. spec. 1030.) stems obsoletely tri- 

 quetrous ; leaflets lanceolate, striated beneath, acuminated ; 

 stipulas semi-sagittate, lanceolate ; tendrils on the lower leaves 

 almost wanting, on the upper ones filiform and elongated ; pe- 

 duncles very short, 1-flowered. Q. H. Native of the Levant. 

 Jacq. hort. vind. 1 . t. 86. Corolla small, red, very little longer 

 than the calyx. Legumes glabrous, straight, about the length of 

 the leaflets, but broader. 



Far. ft, oblongus (Ser. mss. in D. C. prod. 2. p. 372.) leaflets 

 broad, elliptic; legumes finely reticulated, puberulous. () H. 



Inconspicuous-&oviere&. Lathyrus. Fl. June, Aug. Clt. 1739. 

 PI. | to 1 foot. 



37 L. SPILE'RICUS (Retz. obs. 3. p. 39.) plant smoothish ; 

 stems erect, tetragonal, subulate at the apex ; leaflets ensiform, 

 mucronate, nerved ; stipulas semi-sagittate, linear, length of 

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

 cine teeth narrow, longer than the tube ; legumes somewhat 

 torulose, nerved lengthwise ; the nerves numerous and thick ; 

 seeds spherical. Q. H. Native of the south of Europe, in 

 cultivated fields. D. C. icon. rar. 1. p. 10. t. 32. L. coccineus, 

 All. pedem. no. 1222. L. axillaris, Lam. diet. 2. p. 706. 



