7. Lathyrus Ochroleucus Hook. Cream-Colored Or Pale Vetchling

Fig. 2630

Lathyrus ochroleucus Hook. Fl. Bor. Am. 1: 159.

1833. Lathyrus glaucifolius Beck, Bot. 90. 1833.

Perennial, slender, glabrous and slightly glaucous; stem somewhat angled, climbing or trailing, 1°-2 1/2° long; stipules broad, folia-ceous, half-ovate and half-cordate, 8"-12" long; leaves petioled; leaflets 3-5 pairs, thin, pale beneath, ovate or broadly oval, acute or acutish at the apex, rounded at the base, 1-2' long; tendrils branched; peduncles shorter than the leaves; flowers 5-10 yellowish white, 7"-9" long; pod oblong-linear, sessile, glabrous, 1'-2' long.

On river-banks and hillsides, Quebec to Mackenzie, British Columbia, New Jersey, Illinois, Iowa, South Dakota and Wyoming. May-July.

8. Lathyrus Praténsis L. Meadow Pea. Yellow Vetchling

Fig. 2631

Lathyrus pratensis L. Sp. PL 733. 1753.

Perennial, weak, slender, glabrous or sparingly pubescent, climbing or straggling, 1°-3° long. Stems angled, branching; stipules lan-olate, foliaceous, half-sagittate, acuminate, 6" - 12" long, nearly as large as the leaflets; leaves sessile; leaflets a single pair, oblong or linear-oblong, acute or acutish, mucronulate, 1'-1 1/2' long, 2"-4" wide; tendrils simple or branched; racemes exceeding the leaves; flowers 4-12, yellow, 6"-10" long; pods linear, glabrous, 1'-1 1/2' long.

In waste places, New Brunswick, New York, Massachusetts and Ontario. Also throughout Europe and in Russian Asia. Angleberries. Craw-peas. Mouse-pea. Tom Thumb. Yellow tar-fitch [tare vetch]. Lady's-fingers. June-Aug.

9. Lathyrus Latifòlius L. Everlasting Pea

Fig. 2632

Lathyrus latifolius L. Sp. Pl. 733. 1753.

Perennial, glabrous; stems high-climbing, broadly winged, 30 long or more. Stipules lanceolate, acute, often 1' long; petioles as long as the stipules or longer, winged like the stem; leaflets a single pair, oblong-lanceolate to elliptic, strongly veined, 2-4' long, acute or mucronate; tendril branched; peduncles stout, curved, mostly longer than the leaves; flowers purple, racemose, purple to white, nearly 1' long.

Escaped from cultivation, Connecticut to District of Columbia. Native of Europe. Summer.

Lathyrus tuberòsus L., another perennial Old World species, with purple flowers, but with smaller thin leaflets and smaller flowers has been found in grassy places in Ontario, Vermont and eastern Massachusetts.

10. Lathyrus Pusillus Ell. Low Vetchling

Fig. 2633

L. pusillus Ell. Bot. S. C. & Ga. 2: 223. 1823.

Annual, glabrous; stems usually branched near the base, spreading or climbing, narrowly 2-winged, 2° long or less. Leaflets a single pair, linear to linear-oblong, acute, 1/2'-2 1/2 long, with a filiform often 3-forked tendril between them; stipules lanceolate, slightly curved, auricled at the base, as long as the petiole or shorter; peduncles 2' long or less, 1-2-flowered; flowers purple, 2 1/2"-3 1/2' long, short-pedicelled; calyx-lobes narrowly lanceolate, acuminate, as long as the tube or somewhat longer; pods linear, 1'-1 1/2' long.

Sandy soil, North Carolina to Florida, Missouri, Kansas and Texas. April-May.