O..g 
609 
2¢ A. mexicana Cav, Narrow-leaved Liilkweed, Glabrous perennial herbs 50-60 
om, tall with usually several slender stems ascending from a stout horizontal 
woody rootstock; leaves linear or linear-lanceolate, 6-12 cm. long, 5-15 mm, 
wide, tapering at the base to slender petioles 3=8 m, long, entire, pale 
dull green; flowers in terminal compound hirtellous umbels, the primary rays 
1,5-3 om, long, 3-4 cm. in fruit; pedicels slender, 8-10 mn. long; sepals 1.5 mM, 
long, lanceolate; petals lavender, ovate, 3 mm. long, soon reflexed, later becoming 
erect; hoods and prongs white, erect, the prongs curving over the stamen column; 
pods 8-10 em, long, less than 1 cm, thick, sparingly pubescent at least when 
young; seeds 6-8 mm. long, 
Infrequent in dry, gravelly soil at low elevations; poisonous to stock 
but too infrequent to be a factor in our region, Remarkable for its wide 
range, extending south into Mexico, Lt > 
2ZIS-O 
—DNear Post Falls, Epling; Clark Fork me Oe 16673; Coeur 
d'Alene, Christ 1194, 
