Gray's new Manual of Botany, a Handbook of the Flowering Plants and Ferns of the Central and Northeastern United States and Adjacent Canada

Gray's School and Field Book of Botany, Consisting of "Lessons in Botany" and "Field, Forest, and Garden Botany" Bound in one Volume

Gray's School and Field Book of Botany, Consisting of "Lessons in Botany" and "Field, Forest, and Garden Botany" Bound in one Volume

How Plants Grow,

Letters of Asa Gray

Letters of Asa Gray

A Flora of North America: Containing Abridged Descriptions of all the Known Indigenous and Naturalized Plants Growing North of Mexico; Arranged According to the Natural System: 2

A Flora of North America: Containing Abridged Descriptions of all the Known Indigenous and Naturalized Plants Growing North of Mexico; Arranged According to the Natural System: 2

Chloris Boreali-americana: Illustrations Of New, Rare, Or Otherwise Interesting North American Plants: Selected Chiefly From Those Recently Brought Into Cultivation At The Botanic Garden Of Harvard University

Chloris Boreali-americana: Illustrations Of New, Rare, Or Otherwise Interesting North American Plants: Selected Chiefly From Those Recently Brought Into Cultivation At The Botanic Garden Of Harvard University