or Spinach. See Spinacia.

SPINÆ, in Botany, thorns, rigid prickles: a species of arma, growing on various parts of certain plants for their defense; spinæ remorum arcent pecora. On the branches we find examples in the pyrus prunus, citrus, hippocastanum, guelma, rhamnus, lycium, &c.; on the leaves, in the aloe, agave, yucca, flex, hippomane, theophrasta, carthamus, moluccella, galeopsis, &c.; on the calyx, in the carduus cynicus, centaurea, moluccella, galeopsis, &c.; on the fruit, in the trapa, tribulus, murex, spinacia, agrimonia, datura, &c.