.4 BOTANICAL TOUR IN THE TIN NEV ELLY HILLS. 
1 09 
A synoptic view of the systematic character of the collection is given m 
the following table : — 
Systematic synopsis of Tinnevelly plants collected during February 1913 . 
Natural orders. 
j 
j Genera. 
i 
1 
Species. 
Phanerogamia 
94 
310 
449 
Dicotyledones . 
80 
266 
394 
Polypetalae . 
43 
119 
167 
Thalamiflorae 
15 
27 
36 
Disci florae 
11 
30 
37 
Calyciflorao 
17 
62 
94 
Gamopetalae 
24 
106 
170 
Monochlamydeae . 
13 
41 
57 
Gymnosperms . 
1 
1 
1 
Monocotyledones 
13 
43 
54 
Cryptogamia 
6 
20 
2 
Totals . 
100 
330 
470 
Of Phanerogams, the whole collection comprises 94 Natural orders, 310 
genera and 449 species. The most extensively represented Natural order is, 
as might be expected, Leguminosce with 55 species, followed by Rubiacece 
with 38 species ; Composite, Acanthacece and Labiatce, 24 each ; Ruphor- 
biacece, 21; Graminece, 14; Convolvulacece and TJrtieacece 10 each; of 
those natural orders with less than 10 species, Melastomacece and Solanacece 
have 9 each ;Asclepiadacece, Orchidacece and Cyperacece 7 each; Malvaceae, 
Cucurbitacece and Verbenacece 6 each. There are seven Natural orders 
with five representatives, nine with four species, sixteen with three 
species, ten with two species, the rest with but one species each. 
