Among Hard Pines there is no Old World species with a biform hypoderm.    From Wordnik.com.  [The Genus Pinus] Reference

Leaves binate, from 2 to 4 cm. long; resin-ducts medial, hypoderm biform.    From Wordnik.com.  [The Genus Pinus] Reference

Leaves binate, from 3 to 5 cm. long; resin-ducts medial, hypoderm biform.    From Wordnik.com.  [The Genus Pinus] Reference

Leaves binate, from 10 to 15 cm. long; resin-ducts medial, hypoderm biform.    From Wordnik.com.  [The Genus Pinus] Reference

Leaves ternate, from 12 to 20 cm. long; resin-ducts medial or medial and internal, hypoderm biform.    From Wordnik.com.  [The Genus Pinus] Reference

Leaves ternate, from 8 to 16 cm. long; resin-ducts medial or with one or more internal ducts, hypoderm biform.    From Wordnik.com.  [The Genus Pinus] Reference

The biform hypoderm is not always obvious (clausa, Banksiana, etc.) where in some leaves there is but one row of cells.    From Wordnik.com.  [The Genus Pinus] Reference

Leaves in fascicles of 2 to 5, from 15 to 22 cm. long; resin-ducts internal, hypoderm biform, endoderm with thin outer walls.    From Wordnik.com.  [The Genus Pinus] Reference

Leaves in fascicles of 3, from 20 to 45 cm. long, rigid; resin-ducts internal, hypoderm biform, endoderm with thin outer walls.    From Wordnik.com.  [The Genus Pinus] Reference

Leaves in fascicles of 2 and 3, or more in its southern range, from 12 to 25 cm. long; resin-ducts internal, hypoderm biform, endoderm with thin outer walls.    From Wordnik.com.  [The Genus Pinus] Reference

Leaves in fascicles of 2, from 9 to 12 cm. long; resin-ducts medial, hypoderm weak, sometimes of a single row, biform when of two rows, endoderm with thin outer walls.    From Wordnik.com.  [The Genus Pinus] Reference

How insensibly new lights broke in upon him, as he threaded the labyrinth of cause and effect, by which we seek to arrive at that curious and biform monster -- our own nature.    From Wordnik.com.  [Ernest Maltravers — Complete] Reference

Leaves in fascicles of 3, 4 or 5, not exceeding 24 cm. in length; resin-ducts internal, often with one or two medial ducts, hypoderm biform, endoderm usually with thin outer walls.    From Wordnik.com.  [The Genus Pinus] Reference

All the species are of the Western Hemisphere, and among them may be found the biform hypoderm of the leaf, the internal resin-duct, and the total absence of external resin-ducts, characters common in.    From Wordnik.com.  [The Genus Pinus] Reference

Since the death of St. Simon and Fourier, not one among their numerous disciples has attempted to give to the public a scientific demonstration of this grand maxim; and I would wager a hundred to one that no Fourierist even suspects that this biform aphorism is susceptible of two interpretations.    From Wordnik.com.  [What is Property? An Inquiry into the Principle of Right and of Government.] Reference

In most species, however, the epiderm is distinct, while the cells of the hypoderm are either uniform, with equally thin or thick walls -- or biform, with very thin walls in the outer row of cells and very thick walls in the inner row or rows of cells -- or multiform, with cell-walls gradually thicker toward the centre of the leaf.    From Wordnik.com.  [The Genus Pinus] Reference

15 to 30 cm. long, erect; resin-ducts mostly septal, sometimes internal, hypoderm biform or multiform.    From Wordnik.com.  [The Genus Pinus] Reference

Cells of hypoderm biform fig. 22.    From Wordnik.com.  [The Genus Pinus] Reference

Leaf-hypoderm biform or variable.    From Wordnik.com.  [The Genus Pinus] Reference

He leith biform hymn on his countyng-bord.    From Wordnik.com.  [Medieval People] Reference

And following him that slew the biform bull.    From Wordnik.com.  [Atalanta in Calydon] Reference

Leaf-hypoderm not biform.    From Wordnik.com.  [The Genus Pinus] Reference

Leaf-hypoderm biform.    From Wordnik.com.  [The Genus Pinus] Reference

Hypoderm, biform, 6 multiform, 6 uniform, 6.    From Wordnik.com.  [The Genus Pinus] Reference