290 BOARD OF AGRICULTURE. 



Corolla : the inner of the two floral envelopes, generally colored. 



Cotyledons: seed-leaves. 



Creeping : running on or beneath the ground and putting forth 

 small roots. 



Cruciate or cruciforme : cross-shaped, like the flowers of the Mus- 

 tard family. 



Culm: a straw, or straw-like stem. 



Deciduous : falling at the end of the season. 



Decovipound : several times compound or divided, 



Decurrent : said of a leaf whose base extends downward along the 

 stem. 



Depressed : flattened from above. 



Dicotyledonous : having two seed-leaves. 



Diffuse : much divided and spreading. 



Dioecious : staminate and pistillate flowers on separate plants — as 

 in the Sheep-Sorrel. 



Downy : clothed with fine hairs. 



Echinate: having sharp points, bristled; hedgehog-like. 



ElUplic or Elliptical : oval, with the two ends narrowing equally. 



Endogens : inside growers, increasing by central or internal de- 

 posits of new matter. 



Exogens : outside growers, increasing by annual additions to the 

 outside. 



Fibrous: consisting of fibres. 



Frond: the foliage of ferns. 



Fusiform : round and tapering to a point. 



Gamopetalous : having the petals more or less united. 



Gamosepalous : having the sepals more or less united. 



Genus : an assemblage of species possessing certain characters in 

 common, by which they are distinguished from all others. 



Glabrous : entirely smooth ; destitute of any hairiness. 



Glumaceous: chaff-like, having chaff" or glums. 



Habit of plants : their general appearance and mode of growth. 



Hirsute : clothed with stiff" hairs. 



Hispid : bristly, with rigid, spreading hairs. 



Incised : divided deeply as if cut. 



Indigenous : native, growing originally in a country. 



Inflofescence : the arrangement of the flowers on a plant. 



Inserted : attached to ; growing out of. 



Insertion : the place or mode of attachment. 



Involucre: a set of bracts or modified leaves surrounding the 

 flower cluster. 



