1. The hummocks denied any sure footing.

2. These hummocks vary in size from coins to basketballs.

3. Some short scarps and hummocks in this region probably also originate from the Caloris impact.

4. I've never seen such terrible country; it was a constant stumble over grassy hummocks and peat-bogs.

5. The weeds on the path, crisp with frost, were slippery white hummocks in the darkness leading to the door.

6. Where the ground is slightly drier, in the coniferous woods, there are smooth rounded hummocks of a pale turquoise moss.

7. The wide belt of dune-land with its hummocks and scrubby grass growing out of the sand was deserted at that hour.

8. He also confirmed a previously observed lack of ceramics at Aspero, and deduced that "hummocks" on the site constituted the remains of artificial platform mounds.

9. The peat moss hummocks constitute a particular environment that is home to some very specialized species, including andromeda (Andromeda polifolia), licopodiella (Lycopodiella inundata), droseras (Drosera rotundifolia, Drosera longifolia), blueberries (Vaccinium microcarpum, Vaccinium uliginosum), sedge (Carex pauciflor, Carex limosa), deergrass (Trichophorum caespitosum) and sheathed cottonsedge (Eriophorum vaginatum).