Anthoxanthum odoratum.
Agrostis alba.
Dactylis glomerata.Arrhenatherum avenaceum.
Avena pubescens.
Poa pratensis.
|
Anthoxanthum odoratum. Agrostis alba. Dactylis glomerata. |
Arrhenatherum avenaceum. Avena pubescens. Poa pratensis. |
That the soil contains considerable quantities of common salt—sodium chloride—may be inferred if the following grasses occur,
Psamma arenaria.
Elymus arenarius.Hordeum maritimum.
Agropyrum junceum, &c.
|
Psamma arenaria. Elymus arenarius. |
Hordeum maritimum. Agropyrum junceum, &c. |
The existence of much humus is indicated by such shade grasses as
Melica uniflora.
M. nutans.
Milium effusum.Bromus giganteus.
B. asper.
Brachypodium sylvaticum.
|
Melica uniflora. M. nutans. Milium effusum. |
Bromus giganteus. B. asper. Brachypodium sylvaticum. |
Whereas soils known as “sour," though containing much vegetable remains, may be suspected if the following grasses abound on them,
Aira cæspitosa.
Nardus stricta.Alopecurus geniculatus.
Molinia cærulea;