\footnotesize
-\setlength\LTleft{-30pt}
-\setlength\LTright{-30pt}
-\begin{longtable}{@{\extracolsep{\fill}}llllllllll@{}}
+\begin{tiny}
+\setlength\LTleft{50pt}
+\setlength\LTright{0pt}
+\begin{center}
+\begin{longtable}{@{\extracolsep{2pt}}llll@{}}
\caption[NCBI Genomes Families]{List of family groups of Chloroplast Genomes from NCBI\label{Tab2}}\\
% Heading
\hline\hline
- {\textbf{Category}} & {\textbf{Counts}} & {\textbf{Accession No}} & {\textbf{Scientific Name}} \\
+ {\textbf{Family}}&{\textbf{Counts}} & {\textbf{Accession No}} & {\textbf{Scientific Name}} \\
\hline
%Entering First line
& & NC\_001713.1 & Odontella sinensis \\
Lycopodiophyta & 2 & NC\_014675.1 & Isoetes flaccida \\
& & NC\_006861.1 & Huperzia lucidula \\
\hline
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+\end{longtable}
+\end{center}
+\end{tiny}
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