Close a group started with BeginVertical.

	function OnGUI () {	
		GUILayout.BeginVertical ("box");
		GUILayout.Button ("I'm the top button");
		GUILayout.Button ("I'm the bottom button");
		
		// End the vertical group we started above
		GUILayout.EndVertical();
	}

using UnityEngine;
using System.Collections;

public class Example : MonoBehaviour {
    void OnGUI() {
        GUILayout.BeginVertical("box");
        GUILayout.Button("I'm the top button");
        GUILayout.Button("I'm the bottom button");
        GUILayout.EndVertical();
    }
}

import UnityEngine
import System.Collections

public class Example(MonoBehaviour):

	def OnGUI() as void:
		GUILayout.BeginVertical('box')
		GUILayout.Button('I\'m the top button')
		GUILayout.Button('I\'m the bottom button')
		GUILayout.EndVertical()