. Leaves and flowers : or, Object lessons in botany with a flora : prepared for beginners in academies and public schools . Botany. 22 OBJECT LESSONS IN 130TjiNY. lobed leaf (Fig. 32), the Mossy-cup Oak has a lyrate leaf, having its terminal lobe larger than any other (Fig. 34). 22. Fig. 35 is the leaf of a kind of Milkweed, called Mul- gedium, with sharp lobes pro- jecting at right angles to the midvein; .and Fig. 36 is of the Wild Lettuce, with lobes point- ing or hooking backwards. Such leaves are called run- cinate. The Dandelion has also runcinate leaves. When a leaf has only shallow lobe
. Leaves and flowers : or, Object lessons in botany with a flora : prepared for beginners in academies and public schools . Botany. 22 OBJECT LESSONS IN 130TjiNY. lobed leaf (Fig. 32), the Mossy-cup Oak has a lyrate leaf, having its terminal lobe larger than any other (Fig. 34). 22. Fig. 35 is the leaf of a kind of Milkweed, called Mul- gedium, with sharp lobes pro- jecting at right angles to the midvein; .and Fig. 36 is of the Wild Lettuce, with lobes point- ing or hooking backwards. Such leaves are called run- cinate. The Dandelion has also runcinate leaves. When a leaf has only shallow lobes, as you see in Fig. 33, it ap- pears with a wavy outline, called undulate. It is a leaf of that beautiful tree called at the West, Jack Fig. 36. Leaf of Lactuca elongata^ or Wild Lettuce. LESSON V. OTHER FORMS AND FIGURES. 23. It is now time to'learn the difference between a sim- ple and a compound leaf. The simple leaf has but one blade, as the Quince leaf, and all the leaves which we have hitherto noticed. We have now before us a compound leaf, one plucked from a Eose-bush (Fig. 39), consisting of several distinct blades on one petiole. It has also one pair of stip- 22. Wliat of the figure called runcinate? Describe the undulate leaf. What example ? "What kind of venation have the last four forms ? 23 What is a simple leaf? A compound leaf?. 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 Wood, Alphonso, 1810-1881. New York : A. A. Barnes
Size: 1771px × 1410px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1860, booksubjectbotany, bookyear1869
