-

-

-

— - -

C Taeniatherum, , , Hetero- pogon, Pennisetum, Cenchrus, (voir groupe IX), Elytrigia,

Elousine, Aeluropus, , Paspalum, , Stenotophrum, Andropogon, Hypar- rhenia, Bothriochloa, Sparna, Moorochloa,

— Pennisetum, Imperata, Lagu- rus, Sporobolus ( , Crypsis, Ammophila,

, Chrysopogon,

Oryza, Phalaris (aussi groupe III, q.v.), Hierochloe, Saccharum,

-

Leersia, Oryza (also III, q.v.), Macrochloa, Nassella, Jarava, ,

Arundo,

-

Schismus,

- Vententata)

Annoria (Aira), Ventenata, Pseudarrhenatherum, Helictotrichon, (=Avenula), - -

Avellinia, Airopsis

- -

Am- pelodesmos, ( – ( Sphenopus, Cutandia, Catabrosa, Puccinellia, Drymochloa

• - • •

•

C Taeniatherum, , , Heteropogon, Pennisetum, Cenchrus, (see groupeIX), Elytrigia,

-

C

-

- -

-

1 single glume, apart from the terminal spikelet;

Auri- cles at the base of the leaf blades

;

-

- -

-

caninus Elytrigia -

Elousine, Aeluropus, Sclerochloa, Paspalum, , Stenotophrum, Andropogon, Hyparrhenia, Bothriochloa, Sparna, Moorochloa,

-

spikelets twinned in two rows ; borne on digitate spike -like branches

spikelets; borne on digitate spike -like branches

— Pennisetum, Imperata, Lagurus, Sporobolus ( , Crypsis, Ammophila,

- Echinaria capitata

-

—

— (also group VII) Pennisetum, Imperata, Lagurus, Sporobolus (see gp. V), Crypsis, Ammophila,

-

-

-

- -

Lamarckia, Chrysopogon,

Oryza, Phalaris (also group III, q.P.), Hierochloe,Saccharum,

--

--

-- - -

Leersia, Oryza (also III, q.v.), Macrochloa, Nassella, Jarava, Apera, Polypogon,

-

Arundo,

Schismus,

- -

- --- -

- - - - - -

Annoria (Aira), Ventenata, Pseudarrhenatherum, Helictotrichon, (=Avenula),

Deschampsia, - - -

Avellinia, Airopsis

- -

Ampelodesmos, ( – ( Sphenopus, Cutandia, Catabrosa, Puccinellia, Drymochloa

- -

- -

- -

Bromus species in FlorMed (15 in our area) : divided by TelaBotanica/FloraGallica (and thus Natures- cene) in 4 genera:

-

-

-

-

Festuca species (17 in our area) : -

- -

- -

-

-

-

• - • •

•

--

,

10 -40 cm, sometimes forms tussocks; stalks swollen as a bulb at the base; very common in our area, normally as the viviparous form

30 -100 cm, thick tough base; hairy ligules; viviparous form not com- mon

30 -150 cm, forms dense tussocks in wet places; never seen the viviparous form yet.

- -

-