Major, 2nd European Regiment, BengaI Army
"Who seems to have been a very acute and indefatigable investestigator of the New South Wales Flora, and a set of whose plants he has transmitted to Kew."
"I have seen some of his Australian specimens in Herb. Calcutta, so that he evidently sent some to India as well as to Kew. Mosses are credited, "Maitland (N. S W.), Vicary" in Mitten's paper on' Australian Mosses,' Proc. R.S. Vict. xix., 52. The following particulars are from the author of " Botany of Sinde" Ann. Nat. Hist .i. 420. Journ. Asiat. Soc, Bengal, xvi 1152 (1847) "Small but very valuable herbarium at Kew." Flora Indica. i. 70, Royal Society's Catalogue, vi. 147. "
He is commemorated by the genus Vicarya, Wall. = Myriopteron.
Source: Maiden, J.H. (1908) Records of Australian botanists- (a) General, (b) New South Wales. Journal and Proceedings of the Royal Society of New South Wales for 1908. 42:60-132