Besides, the sterile fronds of the latter have serrulate segments. From Wordnik.com. [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference
From the main leafstock grow several pairs of stalked pinnæ, with the divisions ovate-oblong, acutish, crenate-serrulate, obliquely cordate or subcordate. From Wordnik.com. [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference
Fronds pale green, one to six feet high; sterile part bipinnate, each pinna having numerous pairs of lance-oblong, serrulate pinnules alternate along the midrib. From Wordnik.com. [The Fern Lover's Companion A Guide for the Northeastern States and Canada] Reference
Leaves in fascicles of 3, serrulate, the sheath deciduous. From Wordnik.com. [The Genus Pinus] Reference
Leaves serrulate, stomatiferous on all faces, the sheath persistent. From Wordnik.com. [The Genus Pinus] Reference
Leaves serrulate; fibro-vascular bundle double; stomata dorsal and ventral. From Wordnik.com. [The Genus Pinus] Reference
Leaves from 6 to 14 cm. long, serrulate; stomata ventral only; resin-ducts external. From Wordnik.com. [The Genus Pinus] Reference
Leaves from 6 to 10 cm. long, serrulate; stomata dorsal and ventral; resin-ducts external. From Wordnik.com. [The Genus Pinus] Reference
Leaves from 7 to 10 cm. long, erect, serrulate; stomata ventral only; resin-ducts external. From Wordnik.com. [The Genus Pinus] Reference
Leaves from 3 to 8 cm. long, slender, serrulate; stomata ventral only; resin-ducts external and dorsal. From Wordnik.com. [The Genus Pinus] Reference
Leaves from 10 to 20 cm. long, serrulate, their stomata ventral only, their resin-ducts external, often numerous. From Wordnik.com. [The Genus Pinus] Reference
Leaves from 4 to 10 cm. long, serrulate; stomata ventral or rarely with a few dorsal stomata; resin-ducts external. From Wordnik.com. [The Genus Pinus] Reference
Urtica (nettle) serrulate: finely serrate sinuate: with deep, wave-like indentations; coarsely crenate, such as many. From Wordnik.com. [Wikibooks - Recent changes [en]] Reference
Leaves from 5 to 12 cm. long, serrulate; stomata ventral only; resin-ducts medial or, in the dwarf form, often external. From Wordnik.com. [The Genus Pinus] Reference
Leaves from 7 to 10 cm. long, serrulate; stomata dorsal and ventral; resin-ducts external or with one or two ventral medial ducts. From Wordnik.com. [The Genus Pinus] Reference
Leaves from 8 to 15 cm. long, serrulate; stomata ventral only; resin-ducts external, external and medial, or medial, all three conditions sometimes occurring in leaves of the same branchlet. From Wordnik.com. [The Genus Pinus] Reference
Leaves from 3 to 9 cm. long, entire, or serrulate in the southern variety, persistent for five or six years; stomata dorsal and ventral or, in the south, sometimes ventral only; resin-ducts external. From Wordnik.com. [The Genus Pinus] Reference
The leaves are of two kinds, primary and secondary; the primary are thin, deciduous scales, in the axils of which the secondary leaf-buds stand; the inner scales of those leaf-buds form a loose, deciduous sheath which encloses the secondary or foliage leaves, which in our species are all minutely serrulate. From Wordnik.com. [Handbook of the Trees of New England] Reference
Long, serrulate, stomata ventral only, resin-ducts medial and confined to the angles. From Wordnik.com. [The Genus Pinus] Reference
Long, united in threes along a portion of their ventral surface into pseudomonophyllous fascicles, serrulate on the two margins of the dorsal surface, entire on the ventral margin; stomata dorsal and with one row along the free portion of each ventral face. From Wordnik.com. [The Genus Pinus] Reference
Leaves serrulate, the sheath persistent 15. From Wordnik.com. [The Genus Pinus] Reference
Leaves serrulate, their stomata ventral only. From Wordnik.com. [The Genus Pinus] Reference
Leaves serrulate, the stomata ventral only 5. From Wordnik.com. [The Genus Pinus] Reference
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