. The classification of flowering plants. Plants. GRAMINEAE 239 fodder-grass, so also is ^Alopecurus *Af/rostis, a large world-wide, but especially north temperate genus, including important meadow-grasses. *Calamagrostis and *Deyeuxia are tall, often reed- like grasses, found throughout the temperate and arctic zones and upon high mountains in the tropics. ^Milium effusum grows in damp woods ; *J/ibora, *Gastridium^ *Polypogon and *Apera are rare or local in Britain. *Ammophila or Psamma (Marram-grass) are shore-grasses, the long creeping rhizomes forming sand-binders. Tribe 7. Av
. The classification of flowering plants. Plants. GRAMINEAE 239 fodder-grass, so also is ^Alopecurus *Af/rostis, a large world-wide, but especially north temperate genus, including important meadow-grasses. *Calamagrostis and *Deyeuxia are tall, often reed- like grasses, found throughout the temperate and arctic zones and upon high mountains in the tropics. ^Milium effusum grows in damp woods ; *J/ibora, *Gastridium^ *Polypogon and *Apera are rare or local in Britain. *Ammophila or Psamma (Marram-grass) are shore-grasses, the long creeping rhizomes forming sand-binders. Tribe 7. Aveneae. 22 (or more) genera, tropical and temperate, 7 British. *Holcus lanatits, a common meadow-grass, with downy leaves. *Aira, deUcate annuals with slender panicles, * Deschampsia, and *Trisetum, inhabit temperate and cold regions and the high moun- tains of the tropics. *Avena fatua is the Wild Oat, A. sativa the cultivated Oat, the principal food-grain in northern Europe. *Arrhenatherum avenaceum, a perennial field-grass. ^Co/ynepha'niSj only found on the east coast. Tribe 8. Chlorideae. About 30 genera, chiefly in the warmer parts of the earth. The only British species is Cynodon Dactylon (Dog's- tooth), a cosmopolitan grass with long creeping runners and three to five digi- tate spikes; it grows in sandy soils and is an important forage-grass in many dry climates. Eleiuine indica is a common tropi- cal weed; the nearly allied E. Coracana is a cultivated grain in the warmer parts of Asia and throughout Tribe 9. Festuceae. About 83 genera, in- cluding tropical, temperate, arctic and alpine forms ; many are important meadow-grasses, 15 are British. Gy- nerium argenteum is the South American Pampas-grass. Arundo and *Phrag7niiis are tall reed-grasses. Eragrostis^ one of the larger grass genera, is widely dis- tributed throughout the warmer parts of the earth. * Koeleria cristata is a fodder-grass. *Catahrosa aquatica oc- curs throughout the north temperate zone. *Me
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectplants, bookyear1904
