. Botany for academies and colleges: consisting of plant development and structure from seaweed to clematis. Botany; 1889. UPPER {SVPERTERRANEAIS) STEM. 83 bark is removed; as in the tendrils of the Vine (Fig. 101), and .the Spines and Thorns of the Myrrh (Fig. 04), the Hawthorn, etc. "When transformed leaves, they come oif with the bark, as in the spines of the Lo- cust, the thorns of the E. o s e, the tendrils of the Cle- matis and Fig. 104.—Myrrh (Bal- samodendron rmjrrha); br. with Itb., fls., spines. 172. Prickles and Hairs belong to the epidermis, or skin, of the bark and leaf
. Botany for academies and colleges: consisting of plant development and structure from seaweed to clematis. Botany; 1889. UPPER {SVPERTERRANEAIS) STEM. 83 bark is removed; as in the tendrils of the Vine (Fig. 101), and .the Spines and Thorns of the Myrrh (Fig. 04), the Hawthorn, etc. "When transformed leaves, they come oif with the bark, as in the spines of the Lo- cust, the thorns of the E. o s e, the tendrils of the Cle- matis and Fig. 104.—Myrrh (Bal- samodendron rmjrrha); br. with Itb., fls., spines. 172. Prickles and Hairs belong to the epidermis, or skin, of the bark and leaf. They are often strong and sharp, as in the Teasel (Fig. 105), the Prickly Pear, and Thistle. Hairs are varied in form and texture (Fig. 106); they are among the most interesting objects of the mi- croscope ; and they have given rise to most of the poetical terms which describe leaf-surface, as we shall see in Lesson Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - coloration and appearance of these illustrations may not perfectly resemble the original Ketchum, Annie Chambers, 1824-1904. Philadelphia, J. B. Lippincott company
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