Commandline: apt-get install xubuntu-desktop
Install: desktop-base:amd64 (7.0.3ubuntu1, automatic), gnumeric:amd64 (1.12.9-1), libxfce4util-bin:amd64 (4.10.1-1ubuntu1, automatic), brltty-x11:amd64 (5.0-2ubuntu2), libxfce4ui-2-0:amd64 (4.11.1-2ubuntu1, automatic), mugshot:amd64 (0.2.5-0ubuntu0.1), xfce4-power-manager-data:amd64 (1.2.0-3ubuntu4.1, automatic), gmusicbrowser:amd64 (1.1.12+ds0-1), plymouth-theme-xubuntu-logo:amd64 (14.04.2, automatic), xfce4-verve-plugin:amd64 (1.0.0-2ubuntu1), libunique-1.0-0:amd64 (1.1.6-4ubuntu2, automatic), xscreensaver-data:amd64 (5.15-3ubuntu1, automatic), libabiword-3.0:amd64 (3.0.0-4ubuntu1.1, automatic), libchamplain-gtk-0.12-0:amd64 (0.12.7-0ubuntu1, automatic), liboobs-1-5:amd64 (3.0.0-1ubuntu0.14.04.1, automatic), menulibre:amd64 (2.0.4-1~ubuntu14.04.1), abiword:amd64 (3.0.0-4ubuntu1.1), xubuntu-desktop:amd64 (2.180), xbrlapi:amd64 (5.0-2ubuntu2, automatic), libxml-twig-perl:amd64 (3.44-1, automatic), libexo-1-0:amd64 (0.10.2-3ubuntu1.14.04.2, automatic), libpango-perl:amd64 (1.224-2, automatic), orage:amd64 (4.10.0-1), xfce4-power-manager:amd64 (1.2.0-3ubuntu4.1), gnumeric-common:amd64 (1.12.9-1, automatic), xfce4-netload-plugin:amd64 (1.2.0-1), pidgin-data:amd64 (2.10.9-0ubuntu3.2, automatic), python3-psutil:amd64 (1.2.1-1ubuntu2, automatic), gstreamer1.0-libav:amd64 (1.2.4-1~ubuntu1, automatic), xfce4-whiskermenu-plugin:amd64 (1.3.2-1), xfce4-systemload-plugin:amd64 (1.1.1-1ubuntu2), libxfce4ui-common:amd64 (4.11.1-2ubuntu1, automatic), xfce4-volumed:amd64 (0.2.0-0ubuntu1, automatic), xfce4-mailwatch-plugin:amd64 (1.2.0-1), libgstreamer-perl:amd64 (0.19-1, automatic), libxfce4ui-1-0:amd64 (4.11.1-2ubuntu1, automatic), thunar-archive-plugin:amd64 (0.3.1-2), libnet-dbus-perl:amd64 (1.0.0-2build1, automatic), xfce4-session:amd64 (4.10.1-3ubuntu5), xscreensaver:amd64 (5.15-3ubuntu1, automatic), lightdm-gtk-greeter:amd64 (1.8.5-1ubuntu2~ubuntu14.04.1), libvte9:amd64 (0.28.2-5ubuntu1, automatic), libkeybinder0:amd64 (0.3.0-2, automatic), xfce4-places-plugin:amd64 (1.6.0-1ubuntu1), libtumbler-1-0:amd64 (0.1.30-1ubuntu1, automatic), libexo-common:amd64 (0.10.2-3ubuntu1.14.04.2, automatic), gnome-desktop-data:amd64 (2.32.1-2ubuntu1, automatic), abiword-plugin-grammar:amd64 (3.0.0-4ubuntu1.1, automatic), xubuntu-artwork:amd64 (14.04.2), gnome-system-tools:amd64 (3.0.0-3ubuntu4.1), libotr5:amd64 (4.0.0-2.2ubuntu1, automatic), xfconf:amd64 (4.10.0-2ubuntu1, automatic), libots0:amd64 (0.5.0-2.1ubuntu1, automatic), libxfce4ui-utils:amd64 (4.11.1-2ubuntu1, automatic), xfburn:amd64 (0.5.0-0ubuntu1), thunar-media-tags-plugin:amd64 (0.2.1-1), xfce4-xkb-plugin:amd64 (0.7.0-0ubuntu2), xfce4-quicklauncher-plugin:amd64 (1.9.4-10ubuntu1), gtk-theme-config:amd64 (1.0-1), gnome-themes-standard-data:amd64 (3.10.0-1ubuntu2, automatic), libxfconf-0-2:amd64 (4.10.0-2ubuntu1, automatic), plymouth-theme-xubuntu-text:amd64 (14.04.2, automatic), abiword-plugin-mathview:amd64 (3.0.0-4ubuntu1.1, automatic), xfce4-indicator-plugin:amd64 (2.3.2-0ubuntu2), blueman:amd64 (1.23-git201403102151-1ubuntu1), libtidy-0.99-0:amd64 (20091223cvs-1.2ubuntu1.1, automatic), catfish:amd64 (1.0.2-2), parole:amd64 (0.6.1-0ubuntu3.1), python-psutil:amd64 (1.2.1-1ubuntu2, automatic), gnumeric-doc:amd64 (1.12.9-1, automatic), pidgin-otr:amd64 (4.0.0-2), apt-offline:amd64 (1.3.1ubuntu0.1), libjpeg-progs:amd64 (8c-2ubuntu8, automatic), thunar-data:amd64 (1.6.3-1ubuntu5, automatic), libgtkspell0:amd64 (2.0.16-1ubuntu7, automatic), libgarcon-common:amd64 (0.3.0-1ubuntu2, automatic), ristretto:amd64 (0.6.3-2ubuntu1), xfce4-appfinder:amd64 (4.10.1-1), espeak:amd64 (1.47.11-1ubuntu1), light-locker:amd64 (1.4.0-0ubuntu1), xubuntu-community-wallpapers:amd64 (14.04.0), xfdesktop4-data:amd64 (4.11.8-0ubuntu0.1, automatic), xfce4-settings:amd64 (4.11.2-1ubuntu2, automatic), xfce4-screenshooter:amd64 (1.8.1-2ubuntu1), xfce4-cpugraph-plugin:amd64 (1.0.5-1), abiword-common:amd64 (3.0.0-4ubuntu1.1, automatic), libxfce4util-common:amd64 (4.10.1-1ubuntu1, automatic), libwv-1.2-4:amd64 (1.2.9-3, automatic), libgdome2-0:amd64 (0.8.1+debian-6, automatic), libgtk2-perl:amd64 (1.249-2, automatic), libgoffice-0.10-10-common:amd64 (0.10.9-1, automatic), xubuntu-default-settings:amd64 (14.04.6), libgtk2-notify-perl:amd64 (0.05-3build2, automatic), tumbler-common:amd64 (0.1.30-1ubuntu1, automatic), libglib-perl:amd64 (1.304-1, automatic), libgsf-1-common:amd64 (1.14.27-2ubuntu2, automatic), libxfcegui4-4:amd64 (4.10.0-2, automatic), xubuntu-docs:amd64 (14.04.1), thunar-volman:amd64 (0.8.0-4ubuntu1, automatic), pidgin-libnotify:amd64 (0.14-9ubuntu2, automatic), libgarcon-1-0:amd64 (0.3.0-1ubuntu2, automatic), xfce4-notes:amd64 (1.7.7-3ubuntu2, automatic), libexo-helpers:amd64 (0.10.2-3ubuntu1.14.04.2, automatic), libvte-common:amd64 (0.28.2-5ubuntu1, automatic), liblink-grammar4:amd64 (4.7.4-2ubuntu1, automatic), libgsf-1-114:amd64 (1.14.27-2ubuntu2, automatic), exo-utils:amd64 (0.10.2-3ubuntu1.14.04.2, automatic), libxml-xpathengine-perl:amd64 (0.13-1, automatic), libgtksourceview2.0-0:amd64 (2.10.5-1ubuntu2.14.04.1, automatic), shimmer-themes:amd64 (1.7.3-0ubuntu1, automatic), python3-pexpect:amd64 (3.1-1ubuntu0.1, automatic), libdigest-crc-perl:amd64 (0.18-1build1, automatic), libjpeg-turbo-progs:amd64 (1.3.0-0ubuntu2, automatic), libgoffice-0.10-10:amd64 (0.10.9-1, automatic), libloudmouth1-0:amd64 (1.4.3-10, automatic), mousepad:amd64 (0.3.0-2), libthunarx-2-0:amd64 (1.6.3-1ubuntu5, automatic), xfwm4:amd64 (4.11.1-2ubuntu2, automatic), xfce4-notes-plugin:amd64 (1.7.7-3ubuntu2), tumbler:amd64 (0.1.30-1ubuntu1, automatic), libtie-ixhash-perl:amd64 (1.23-1, automatic), xfce4-weather-plugin:amd64 (0.8.3-1ubuntu0.1), system-tools-backends:amd64 (2.10.2-1ubuntu1.14.04.1, automatic), xfce4-dict:amd64 (0.7.0-1), libchamplain-0.12-0:amd64 (0.12.7-0ubuntu1, automatic), xfdesktop4:amd64 (4.11.8-0ubuntu0.1, automatic), libgdome2-cpp-smart0c2a:amd64 (0.2.6-6ubuntu1, automatic), xubuntu-icon-theme:amd64 (14.04.2, automatic), xfce4-panel:amd64 (4.11.0-0ubuntu1, automatic), xfce4-terminal:amd64 (0.6.3-1ubuntu1), xfce4-notifyd:amd64 (0.2.4-2), thunar:amd64 (1.6.3-1ubuntu5), libgtk2-trayicon-perl:amd64 (0.06-1build3, automatic), pavucontrol:amd64 (2.0-2), libgtkmathview0c2a:amd64 (0.8.0-9ubuntu1, automatic), link-grammar-dictionaries-en:amd64 (4.7.4-2ubuntu1, automatic), libgtksourceview2.0-common:amd64 (2.10.5-1ubuntu2.14.04.1, automatic), xubuntu-wallpapers:amd64 (14.04.2, automatic), gnome-themes-standard:amd64 (3.10.0-1ubuntu2, automatic), libxfce4util6:amd64 (4.10.1-1ubuntu1, automatic), gigolo:amd64 (0.4.2-1), light-locker-settings:amd64 (1.2.1-0ubuntu1.1, automatic), libtagc0:amd64 (1.9.1-2, automatic), pidgin:amd64 (2.10.9-0ubuntu3.2), libcairo-perl:amd64 (1.104-1, automatic), xfce4-taskmanager:amd64 (1.0.1-1)