30 SELECT PLANTS FOR INDUSTRIAL CULTURE 



Apios tuberosa, Moench. 



North America. A climber, with somewhat milky juice. The 

 mealy tubers are edible. 



Apium graveolens, Linne". 



The Celery. Europe, North Africa, North and Middle Asia. It 

 is here merely inserted with a view of pointing out, that it might 

 be readily naturalised on our sea-shores. 



Apium pro stratum, La Billardiere. 



The Australian Celery. Extra-tropical Australia, New Zealand, 

 Extra-tropical South America. This also can be utilised as a 

 culinary vegetable. 



Apocynum cannabinum, Linne. 



On river-banks in North America. A perennial herb. This is 

 recorded among plants yielding a textile fibre. 



Aponogeton crispus, Thunberg. 



From India to New South Wales. The tuberous roots of this 

 water-herb are amylaceous and of excellent taste, though not large. 

 The same remarks apply to A. monostachyus, Linne, fil. 



Aponogeton distachyos, Thunberg. 



South Africa. This curious water-plant might be naturalised in 

 our ditches, swamps, and lakes, for the sake of its edible tubers. 

 The scented flowering portion affords spinage. 



Aquilaria Agallocha, Roxburgh. 



On the mountains of Silhet and Assam. A tree of immense size. 

 It furnishes the fragrant calambac or agallochum-wood, known also 

 as aggur or tuggur or the aloe-wood of commerce, famed since 

 ancient times. The odorous portion is only partially distributed 

 through the stem. This wood is also of medicinal value. 



Arachis hypogsea, Linne.* 



The Earth-nut, Pea-nut, or Ground-nut. Brazil. The seeds of 

 this annual herb are consumed in a roasted state, or used for press- 

 ing from them a palatable oil. The plant is a very productive one, 

 and yields a very quick return. It ranks also as a valuable fodder- 

 herb; the hay is very nutritious, much increasing the milk of cows. 

 A light somewhat calcareous soil is best fitted for its growth. On 

 such soil 50 bushels may be obtained from the acre. 



Aralia cordata, Thunberg. 



China. The young shoots provide an excellent culinary vegetable. 



