DR. ROXBURGH ON THE GENUS AQUILARIA. 203 



the want of odour and taste in every part thereof, except the drug itself; in no part of the 

 tree being lactescent or poisonous ; in the wood being white, light and porous, &c. &c. I 

 place little confidence in his description of the parts of fructification, as he acknowledges, 

 in Willdenow's edition of his ' Flora Cochinchinensis,' to have only once seen a mutilated 

 branch of the tree in flower, which by long carriage had the petals, anthers and stigma 

 much bruised and torn. And if the natives of Cochin China are not more honest than in 

 most other parts of South Asia, they would not scruple to give him the fruit of any other 

 tree for that of his Aloexylwn. I am therefore not much inclined to give any great degree 

 of credit to the natural character of a plant wrote under such circumstances, and rather 

 think the tree which produces the Aloe-wood of Cochin China, and the Aggur from the 

 vicinity of Silhet, are the same. 



The tree which furnishes this precious incense is chiefly found in that part of Asia 

 called the Peninsula beyond the Ganges. The mountainous countries to the east and 

 south-east of Silhet, where our tree grows, are fairly within this division, and correspond 

 pretty well with the range given by Loureiro to his Aloexylum verwm or Agallochwm, 

 which is some small additional proof of their being the same ; and, indeed, through the 

 whole of the above notices, taken from such authors as are within my reach, there runs 

 such an uncommon share of coincidence, as to induce me to believe they all relate to the 

 same identical object. By this belief I must acknowledge my account of my Arnyris 

 Agallocha, so far as it relates to its yielding Calwnbac, to be erroneous. It is needless 

 to detail the source of the error ; suffice it to say that I acknowledge it, and also acknow- 

 ledge myself to have been much to blame for believing those who gave me the informa- 

 tion, which has unfortunately been published, or publishing, in the third volume of my 

 • Indian Plants.' 



EXPLANATION OP THE PLATE. 

 Tab. XXL 



Fig. 1. A small branch of Aquilaria Agallochum, in flower: — nat. size. 



Fig. 2. One of the flowers laid open, exposing to view the pistillum, part of the nectaries, and stamina 



(part being removed) : — magnified. 

 Fig. 3. One of the nectaries between two of the stamina : — magnified. 

 Fig. 4. Transverse and vertical sections of the germ : — much magnified. 

 Fig. 5. The capsule. 



Fig. 6. The same, opened, exposing one fertile cell, with its seed, and one abortive cell. 

 Fig. 7- The entire seed and umbilical cord. 



Fig. 8. The same, with half of the two exterior integuments removed. These four are of the natural size. 

 Fig. 9. The seed removed from the two exterior integuments. 

 Fig. 10. Transverse section of the same. 

 Fig. 11. A vertical section. 



Fig. 12. The plumula and radicle: — much magnified. 

 Fig. 13. The two cotyledons. 



2E 2 



