LEGUMINOS^E. CLXXIL Lathyrus. 



14 L. sESSiLiFoLius (Tenore, fl, neap. prod, append, 5. 1826.) 

 root tuberous and fibrous ; stems ascending, simple ; leaves 

 with 1 pair of leaflets, without a petiole ; leaflets lanceolate- 

 linear, mucronate ; peduncles usually 3-flowered, longer than 



the leaves ; ^ 



rolla; the segments lanceolate and equal; legumes flat, many- 

 seeded, i;. H. Native of Naples, in Lucania, in hedges. L. 



Calif i 



333 



Fl. July, Sept. Clt. 1826. PL cl. 



20 L. muta'bilis (Sweet, fl. gard. 194.) stems flexuous, 

 winged: wings ciliately pubescent; leaves with 3-4 pairs of 



^^ - , --..^- ovate, obtuse, glaucescent leaflets ; stipulas semi-saglttate, ovate, 



kx abort"equd in length to the tube of the co- acute, angularly toothed at the base; peduncles many-flowered, 



- - - - shorter than the leaves ; calycme segments ovate-lanceolate, 



ciliated, unequal, length of tube; legumes convex, narrow, 



Native of Siberia. Flowers change- 



attenuatus, Tenore, prod, but not of Viv. Plant glabrous. dotted, pubescent. l/.H. ,. , . , . , ., 



Corolla blue, with the wings longer than the keel. Style flat, able in colour, at first purphsh pmk, striped with numerous 



dilated in front, and rather villous. It differs from L. tuber dsus, dark purple branching hnes, but at length changmg to a brown- 



in the leaflets being sessile and linear-lanceolate. 



ish green. 



ifi 



leafletted 



PI. ascending. 



15 L. ROSEUS (Stev. in mem. soc. mosc. 4. p. 51. and Bieb. PI. cl. 



Ckcmgeable-Rowered Lathyrus. Fl. June, Aug. Clt. 1825. 



fl. taur. suppl. p. 466.) plant quite smooth ; stem slender, not 



21 L. ocHROLEu'cus (Hook, in fl* bor. amer. p. 159.) plant 



winged ; leaves with 1 pair ? of ovate-roundish leaflets ; tendrils quite glabrous ; leaves with 3-4 pairs of broad, oval, or ovate 



very short ; stipulas small, subulate ; peduncles filiform, longer leaflets ; stipulas toothed, broad, semi-cordate, rather liastate, 



than the leaves ; calycine teeth acute, superior ones shortest, hardly smaller than the leaves, with the angles sometimes acute, 



H. H. Native of Iberia. Flowers beautiful rose-coloured, and sometimes obtuse; peduncles many-flowered, about equal 



rather smaller than those of L. tuherosus. in length to the leaves ; the 2 upper calycme segments ^short ; 



/i05e-coloured-flowered Everlasting-pea. Fl. Ju. Aug. Clt. 

 1822. PI. cl. 



16 L. GRANDiPtoRus (Sims, bot. mag. 1938.) hairy; stems ^ ^, t i • i ^o t • -r • 



tetragonal, winged; leaves with 1 pair of large, ovate, obtuse, whole woody country to Bear Lake, in lat. GG . L. pisilormis, 



'■ - - - •- ^ ' ' Kichards. in Frankl. Istjourn. edit. 2dappend. p. 28. Howers 



legumes in an immature state, linear-elongated, acuminated, com- 

 pressed, quite smooth. 1/. H. Native of North America, 

 Hudson's Bay, and from the Red River, in lat. 49"" through the 



waved leaflets; stipulas small, semi-sagittate, lanceolate; pe- 

 duncles 2-3-flowered, longer than the leaves ; teeth of calyx 

 acute, longer than the tube ; legumes long, linear, puberulous. 

 %. H. Native of the south of Europe, in hedges and among 

 bushes. In Sicily, about Palermo and on Mount Etna. Pisum 

 biflorum, Rafin, car. di piant. p. 71. Perhaps L. grandijldrus, 

 Smith, fl. graec. t. G98. Flowers very large, rose-coloured, with 

 an emarginate vexillum. 



Great-fowered EveYlasiing'^ea. Fl. June, Aug. Clt. 1814. 



17 L. pus'iLLus (Ell sketch, car. geogr. 2. p. 223.) tendrils 

 sample ; leaflets 2, linear-lanceolate ; stipulas falcate ; peduncles 

 l-flowered, elongated. Native of Carolina, at Cooper's River. 



Small Lathyrus. PL cl. 



cream-coloured. 



Cream-co/owredt-flowered Lathyrus. PI. cl. 



) 



* « 



of leaflets 



glabrous or pubescent; leaves with 4-G pairs of elliptic, rarely 

 ovate or oblong leaflets ; stipulas small, semi-sagittate, lanceo- 

 late, with the lobe deflexed and about equal in length to tlie 

 stipulas ; peduncles many-flowered, about equal in length to the 

 leaves ; calyx pubescent, with the superior teeth very short. 

 11 . H. Native of North America, on the banks of the Saskat- 

 chawar, abundant in bushy places in north-west America. 

 Hook. bot. mag. 3123. Flowers purple. 



7 en-leafetted Lathyrus, Fl. June. Clt. 1827. Ph cl. 



23 L. sPEciosus; plant glabrous; leaves with 4 pairs of 

 broad, elliptic, mucronate leaflets ; stipulas as large as tlie leaf- 

 lets ; tendrils simple ; peduncles many-flowered, longer than 



the leaves ; segments of the calyx ovate-lanceolate, upper ones 



shortest, all mucronate. 1/. H. Native of 



18 L. pisiFORMis (Lin. spec. 1034. but not of Houtt.) plant 

 smoothish ; leaves with 3-4. pairs of oval leaflets ; stipulas un- broadest and ,. , , , , . u t i\ 



equally cordate, hastate, with the angles acute, equal in length Mexico. Jlowers purplish-blue. (v. s. herb. Lamb.} 

 to the leaflets ; peduncles many-flowered, rather shorter than 

 the leaves ; the 2 upper segments of the calyx short ; legumes 

 linear-oblong, compressed, rather falcate, acute at the apex on 

 tie upper suture, i;. H. Native of Europe, Siberia, and 

 throughout North America, in the plains. L. maritimus, Begel. 

 «• host. ed. 2. p. 262. L. Californicus, Dougl. in bot. reg. 

 Wni ^' "^^"^sus. Sweet, fl. gard. 2. ser. t. 37. but not of 

 "illd. Begel. fl. host. ed. 1. p. 167. but not of ed. 2. Pisum 



Shervy Lathyrus. PI. cl. 



24 L. Japonicus (Willd. spec. 3. p. 1092.) stems acute-an- 

 gular ; leaves with 4 pairs of elliptic, acute leaflets ; stipulas 

 sa'Tittate, stem-clasping, breadth of the leaflets, but shorter ; 



%.U. 



Native of Japan. L, pisi- 



Flowers 



peduncles many-flowered. 



f6rmis, Houtt. fl. syst. 8. t. 63. f. 1. but not of Lm. 



purple, or rose-coloured. 



^ - - - PI. cl. 



maritimum, Rich, in Frankl. 1. journ. ed. 2. append, p. 28. 

 '^ttiel. fl. sib. 4. p. 7. t. 1. Astrasalus Chinensis, Bu( 



irpl 



We have followed 



fl. sib. 4. p. 7. t. 1. " Astrasalus Chinensis, Buch. 

 Jjnt. 10. dec. 2. t! 5. 

 »■■ Hooker, in his recent publication, "in adding the numerous 



synonymes, but we have some reason to believe that he is per- 

 lectly w 



Pea-f, 



1795. PI. cl. 



1 i ^^^^^ RNicus (Dougl. in bot. reg. 1 144.) stems tetra- 

 R nal, glabrous ; leaves glaucous, with 4-5 pairs of ovate-oblong, 

 g aorous, mucronulate leaflets ; tendrils 3-parted ; stipulas semi- 



sagittate 



Japan Lathyrus 



25 L.VENosus (Muhl. in Willd. spec. 3. p. 1092.) stems te- 

 tragonal, not winged ; leaves with many pairs of ovate, obtuse, 

 nearly opposite, mucronulate, glabrous leaflets ; tendrils trihd ; 

 stipulas semi-sagittate, ovate ; peduncles many-flowered, shorter 

 than the leaves. % . H. Native of Pennsylvania, and common 

 throuf'hout the great chain of lakes in Upper Canada ; plentiful 

 on the Red River and the river Winepeg. Oxypogon elegan^ 

 Rafin. in journ. phys. aug. 1819. p. 98, but the legume is said 

 to be falciform and the ovary stipitate. Said to be like Z.. ptst- 

 formis, but the stipulas are much smaller, and the leaflets are 

 broader, ovate, and the corolla is larger. Flowers purple, veined. 



yeiny Lathyrus. PI. cl. i „ oo \ 



26 L. stipulVceus (Leconte, m cat. pl. new york, p. 92.) 



S;:.P"'PKv^'^g«n% veined, twice Ae »i.e of tl.oseof V. fc r;'%7^^f „;. ^C^^^^^^^^^ supula, ova.c. 



Legumes oblong, rather falcate, '^-f.' -,fj/„^i'l^^^^^ ,;,„e ; Hunclc. l-G-flowered, ra.I.cr 



fafc" " ''• ~'«^''- 



■^ 



