As far as they could see there was no algae in sight, the water was one glassy blue.
The simplest form of vegetation is algae which grows on the sides of the tank.
He regarded a bowl of algae as if about to make it disappear.
We've put quite a dent in the algae and synthetics operations in this sector.
The Carrageen or Iceland moss, or lichen is one of the algae of the sea.
Algae and fungi also were present, but there were no flowering plants.
That would be, of course, the algae from the air-purifying-system tanks.
He made large collections of Algae, almost every day bringing to him new and beautiful forms.
The vegetable kingdom is represented by plants of low organization such as mosses, lichens, diatoms and algae.
The color is chiefly due to a species of algae which seems common in springs of this sort.