. Contributions from the Botanical Laboratory, vol. 5. Botany; Botany. 28 Russell-^Comparison of the Structure of Hybrid Sarracenias with that of Their Parents 29 part. In color, in 5. fiava they are yellowish membranous, with green veinings. Those of S. purpurea are reddish, or green with a reddish margin. In 5. Catesbaei the bracts are reddish with a green tip. The sepals of S. flava are 4 cm. long by 3 cm. broad. They are ovate and greenish yellow. Stomata are frequent, and the numerous glands are massed towards the edges and tip of the sepals on the outer side. On the inner, or morphologic
. Contributions from the Botanical Laboratory, vol. 5. Botany; Botany. 28 Russell-^Comparison of the Structure of Hybrid Sarracenias with that of Their Parents 29 part. In color, in 5. fiava they are yellowish membranous, with green veinings. Those of S. purpurea are reddish, or green with a reddish margin. In 5. Catesbaei the bracts are reddish with a green tip. The sepals of S. flava are 4 cm. long by 3 cm. broad. They are ovate and greenish yellow. Stomata are frequent, and the numerous glands are massed towards the edges and tip of the sepals on the outer side. On the inner, or morphologically upper, surface the glands and stomata are less frequent than on the outer side, but distributed in the same manner. In 5. purpurea the sepals are 3 cm. long, ovate as in S. fiava and red in color. Glands are not so numerous as in S. fiava, but distributed along the margins as above. The sepals of 5. Catesbaei are 4 cm. long, ovate, green tinged with rosy pink, or with red veinings. Glands and stomata are more numerous than in S. purpurea, distributed as before. The petals in 5. fiava are 7-8 cm. long, with the proximal portion not wider than the distal expanded part. The expanded portion at its lower third forms a cuneate tip characteristic of S. flava. In color the whole petal is a fiavous yellow, the pig- ment being due to yellow chromoplasts. The constricted por- A c B. 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 University of Pennsylvania. Botanical Laboratory. Philadelphia : University of Pennsylvania Press
Size: 2085px × 1198px
Photo credit: © The Book Worm / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1890, booksubjectbotany, bookyear1892
