Index: wp-includes/post.php
===================================================================
--- wp-includes/post.php	(revision 18247)
+++ wp-includes/post.php	(working copy)
@@ -18,6 +18,9 @@
  */
 function create_initial_post_types() {
 	register_post_type( 'post', array(
+		'labels' => array(
+			'name_admin_bar' => _x( 'Post', 'add new on admin bar' ),
+		),
 		'public'  => true,
 		'_builtin' => true, /* internal use only. don't use this when registering your own post type. */
 		'_edit_link' => 'post.php?post=%d', /* internal use only. don't use this when registering your own post type. */
@@ -30,6 +33,9 @@
 	) );
 
 	register_post_type( 'page', array(
+		'labels' => array(
+			'name_admin_bar' => _x( 'Page', 'add new on admin bar' ),
+		),
 		'public' => true,
 		'publicly_queryable' => false,
 		'_builtin' => true, /* internal use only. don't use this when registering your own post type. */
@@ -1194,6 +1200,9 @@
 	if ( !isset( $object->labels['singular_name'] ) && isset( $object->labels['name'] ) )
 		$object->labels['singular_name'] = $object->labels['name'];
 
+	if ( ! isset( $object->labels['name_admin_bar'] ) )
+		$object->labels['name_admin_bar'] = isset( $object->labels['singular_name'] ) ? $object->labels['singular_name'] : $object->name;
+
 	if ( !isset( $object->labels['menu_name'] ) && isset( $object->labels['name'] ) )
 		$object->labels['menu_name'] = $object->labels['name'];
 
Index: wp-includes/admin-bar.php
===================================================================
--- wp-includes/admin-bar.php	(revision 18247)
+++ wp-includes/admin-bar.php	(working copy)
@@ -242,7 +242,7 @@
 		if ( true !== $ptype_obj->show_in_menu || ! current_user_can( $ptype_obj->cap->edit_posts ) )
 			continue;
 
-		$actions[ 'post-new.php?post_type=' . $ptype_obj->name ] = array( $ptype_obj->labels->singular_name, $ptype_obj->cap->edit_posts, 'new-' . $ptype_obj->name );
+		$actions[ 'post-new.php?post_type=' . $ptype_obj->name ] = array( $ptype_obj->labels->name_admin_bar, $ptype_obj->cap->edit_posts, 'new-' . $ptype_obj->name );
 	}
 
 	if ( current_user_can( 'upload_files' ) )