Use "folium" in a sentence

1. The tubes of the corolla of the common red or incarnate clovers (Trifolium pratense and incarnatum) do not on a hasty glance appear to differ in length; yet the hive-bee can easily suck the nectar out of the incarnate clover, but not out of the common red clover, which is visited by humble-bees alone; so that whole fields of the red clover offer in vain an abundant supply of precious nectar to the hive-bee

2. Broad-leaved panic grass (Panicum latifolium) beginning to sprout on a southern exposure, while there is sleighing in the street