Mycoflora in Exhumed Seeds of Opuntia tomentosa and Its Possible Role in Seed Germination
Figure 3
Micrographs of Opuntia tomentosa seeds recently taken from the fruit and washed with water: (a) whole seed; (b) fibers of the funicular seed cover; (c) funicular cell walls in a transversal cut; (d) druses in the funicular seed cover and the remains of the soft funicle. Cw: cell walls; D: druses, Ff: funicular flanks, Fg: funicular girdle, HMR: hilum-micropylar region, L: lumen.