Hibernal 



Refers to winter, especially the winter season in contrast 

 to the Vernal, Estival, and other seasons, cf. Aspection. 



Hibernation 



A state of Dormancy especially during winter, cf. 

 Estivation. 



Hiemal 



See Hibernal. 



Hiemilignosa 



Monsoon forest which merges into savanna or park land 

 in a tropical-continental climate; woody plants lose their 

 small xerophytic leaves during the hot and dry summers. 



Hierarchy 



A social rank-order of animals formed through passive 

 submission, direct combat, or threat. 



High Grass 



A class of grasses, 6 to 8 feet high or more, e.g., Panicum 

 virgatum. cf. Medium-height grass, Short grass. 



Histology 



The division of biology that deals with microscopic 

 structures or tissues of organisms. 



H Layer 



A layer of completely decomposed litter, unrecognizable 

 as to origin, on the surface of the mineral soil. See A horizon, 

 F layer, L layer. 



Hoar Frost 



A deposit of ice crystals formed directly from water vapor 

 in the air. cf. Rime. 



Hochmoor 



A moor that rises from the edge towards the middle, so 



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