full code

<?php $collections = $this->getCollection(); ?>

<?php $_product = $this->getProduct(); ?>
<?php $buttonTitle = Mage::helper('core')->quoteEscape($this->__('Add to Cart')); ?>

<?php foreach ($collections as $key => $product) {

    echo $product->getName().' <br>';
?>
<form action="<?php echo  Mage::helper('checkout/cart')->getAddUrl($_product);?>" method="post">
<div class="add-to-cart-buttons">

<button type="submit" title="<?php echo $buttonTitle ?>" class="button btn-cart" >
    <span><span>
    <?php echo $buttonTitle ?>
    </span></span>
</button>

<?php echo $this->getChildHtml('', true, true) ?>

</div>
</form>
<hr style='display:inline-block; width:100%;'>
<?php

}
?>