M1NBU IN UPPER BURMA. 
«9 
The ten most important orders in the three zones and in the dis- 
trict as a whole are as follows, in their order of importance judged by 
the number of species belonging to each order 
Arracan-Nwamadaung. 
Desert Zone, 
Alluvial Belt. 
Whole District. 
Leguminosce 
Cap par idea 
Leguminosce 
Leguminosce 
Acanthacece 
Asclepiadacea 
Graminece 
Graminece 
Graminece 
Leguminosce 
Cypevacece 
Composites 
Convolvulacece 
Euphorbiacece 
Composites 
Malvacece 
Composite 
Tiliacece 
Euphorbiacecc 
Acanthacece 
Rubiaceai 
Rhamnacece 
Malvacece 
Euphorbiacece 
Cucurbitacees 
Mali) ace a 
Amarantacece 
Convolvulacea 
Verbenacece 
Solanacece 
Scrophularinece 
Cyperacece 
Euphorbiacece 
Acanthacece 
Acanthacece 
Cucurbitacea 
Labiates 
Rubiacece 
Solanacece 
Rubiacece 
Of the Arracan-Nwamadaung decad Verbenaceae and Labiata? are 
unrepresented in the district decad. Of the Alluvial Belt decad 
A marantacGsC) Scrophularineae and Solanaceae are absent from the 
district decad. Of the desert zone decad only the 3rd, 4th, 7th, 9th 
and 10th orders are present in the district decad. Of the collection 
as a whole Legumtnosas is by far the largest order, having 49 genera 
and 145 species. A long way after it comes Gramineas with 37 
genera and 73 species, then Compositae with 25 genera and 37 species, 
then Mctlvaceaa with only 8 genera but 31 species, followed by 
Acanthaceas with only 30 species in no fewer than 20 genera ; 
Euphorbiaceae with 16 genera and 28 species, Convolvulacese with 10 
genera and 28 species, Cyperaceae with 9 genera and 21 species, 
Cucurbitacex with 15 genera and 18 species, Rubiacex with 13 
genera and 18 species. 
Including cultivated species the whole collection comprises 101 
Natural orders, 456 genera and 787 Phanerogamic species. 28 orders 
are represented by one species each, 14 by two genera and two 
species each, and the rest outside the first decad by genera and 
species in varying proportions. It is worthy of note that Melas - 
tomaceas is entirely unrepresented and Myrtaceas only by one wild 
species. 
CHAPTER IV.— SYSTEMATIC CENSUS. 
The following list includes all the plants identified whether 
collected by Mr. Aubert and the writer or by the garden collector, 
and whether they are indigenous or introduced, wild or cultivated. 
New species or species not mentioned in the Flora of British India, 
and new localities or localities not mentioned in the Flora of British 
India are distinguished by an * prefixed to them. Where the native 
collectors' locality is unrecognisable, the term “ Minbu district ” is 
given. For unfailing help in identifying troublesome species as well 
C 2 
