So would other highland root crops of the Peruvians, such as the oca, a relative of our sheep sorrel, the añu, a kind of nasturtium, and the ullucu (ullucus tuberosus).

Chironectes tuberosus, G. Cuvier, Mem.

Helianthus tuberosus.

Orobus tuberosus.

466 angustifolius Narrow-leaved ditto l.b. 467 niger Black-flowered ditto c.m. 468 vernus Spring ditto l. 469 Lathyrus tuberosus Tuberous-rooted Lathyrus c.m. 470 heterophyllus Various-leaved ditto c.m.

636 Helianthus multiflorus Perennial Sun-flower c.m. 637 tuberosus Jerusalem Artichoke c.m.