146 



POPULAR GARDEN BOTANY. 



are small, but they grow in heads, somewhat in the form of 

 a bottle-brush, and are generally either straw-coloured, yel- 

 low, green, or red ; the leaves are of very varied forms, some 

 are hairy, others quite smooth. 



DRTANDEA. 



Gen. Char. (Tetrandria Monogynia.) Calyx four-parted or four- 

 cleft; stamens immersed in the concave ends of the segments; 

 scales four ; common receptacle flat. 



Named after Mr. Dryander, a botanist. This genus re- 

 sembles the last in general characters, but many of the 

 species are very like Ferns in appearance, having their leaves 

 deeply divided and covered with brown hairs ; their flowers 

 are of the same character as the BanJcsia : these two genera 

 may be seen in perfection in Kew Gardens, where a house 

 is devoted almost exclusively to them. 



In this Order are also the genera Telopea, Leucadendron, 

 Grevillea, Hakea, Anadenia, Lomatia, Lambertia, Protea, 

 etc., all very curious, but more generally cultivated in bo- 

 tanic gardens and large conservatories than in greenhouses ; 

 they will therefore not be described here. Of Grevillea the 

 following species are occasionally introduced : — acanthifolia, 



