Culture of the Sweet Pea 671 



the petioles; peduncles 2 -flowered, longer than the leaves; calyx teeth 

 nearly equal ; legumes linear, 4-5 inches long, much reticulated, compressed, 

 sutures thick; seeds not angular. Native of the west Mediterranean 

 region at Tangier. Flowers i inch long, dark red-purple : standard large, 

 purple; wings and keel bright red. 



LATHYRUS ODORATUS L. 



Stems rough-hairy, winged oval or oblong, mucronate ; stipules lan- 

 ceolate, much shorter than the petioles; peduncle 2 -4 -flowered, much 

 longer than the leaves; calyx teeth broad, longer than the tube; legumes 

 compressed, linear, 1-3 inches, hairy; seeds round, sometimes angled, 

 black, white, or mottled. Native of Sicily. Flowers large, showy, in 

 shades of blue, red, yellow, and white. Standard large-expanded, hooded 

 or wavy. 



LATHYRUS OCHRUS DC. 



Stems 4-angled, winged; petioles winged, lower ones leafless, upper 

 ones with two leaflets; leaves glaucous; lower stipules wanting, upper 

 ones ovate; peduncle i -flowered; calyx teeth unequal, superior lobes 

 shortest, length of tube; legumes with membranous wings, few-seeded; 

 seeds globular. Native of southern Europe. Flowers pale yellow. 



LATHYRUS SYLVESTRIS L. 

 Perennial 



Stems straggling, 3-5 feet, stout, winged, glabrous, with creeping 

 rootstocks; petioles winged, with one pair of linear-lanceolate leaflets; 

 stipules narrow; peduncles 3-6-flowered, equaling the leaves; legumes 

 compressed, reticulated, lanceolate, 2-3 inches long; seeds round, dotted. 

 Native of Europe, in woods and hedges. Flower with one-half-inch-long 

 standard: standard rose, with a green spot on the back; wings purple 

 at the tips; keel greenish. 



LATHYRUS PUBESCENS HOOK. 



A soft, hairy, diffuse-branching herb; stems 3-5 feet high; stems, 

 branches, and peduncles 4-angled, the angles forming stout ribs; petioles 

 with one pair, rarely two pairs, of leaflets, sessile, 1-2 1 inches long, oblong- 

 lanceolate or elliptic-oblong, dark green, strongly ribbed beneath; stipules 

 variable in size and form; peduncle longer than the leaves, many-flowered 

 in lax or dense racemes; calyx tube broadly campanulate, upper teeth 

 shorter; legumes linear, 2-2 1 inches long, hairy, flat; seeds very small, 

 ellipsoid. Native of South America, from Bolivia and southern Brazil 

 to the Straits of Magellan. Flower variable in size, sometimes ij inch 

 broad, violet-blue: standard round, notched at the tip, margins recurved, 



