. The elements of structural . ELEMENTS OF STRUCTURAL BOTANY. 69. Fig 101. maae up of a number of oil one or two, and observethat whilst they are somewhatlleshy where the ouiou is broadestthey gradually become thiuucr to-wards the top. The long greentubes, which project from the topof the Ouiou during its growth, are,in fact, the prolongations of thesecoats. But the tubes are the leavesof the plant. The mass of our Onion, therefore, con-sists of the jlrs/n/ Ih(sis of the leaves. But you willobserve that at the bottom there is a ratherpart upon which these coats or leavesa
. The elements of structural . ELEMENTS OF STRUCTURAL BOTANY. 69. Fig 101. maae up of a number of oil one or two, and observethat whilst they are somewhatlleshy where the ouiou is broadestthey gradually become thiuucr to-wards the top. The long greentubes, which project from the topof the Ouiou during its growth, are,in fact, the prolongations of thesecoats. But the tubes are the leavesof the plant. The mass of our Onion, therefore, con-sists of the jlrs/n/ Ih(sis of the leaves. But you willobserve that at the bottom there is a ratherpart upon which these coats or leavesare inserted, and which must consequent-ly be a stem. Such a stem as tliis, withits fleshy leaves, is called a bidh. If theleaves form coats, as in the Onion, thebulb is coated or tunicatcd: if they donot, as in tlie lihes (Fig. 102), it is .tcah/. 08. Tubers and bulbs, then, consist chiefly of massesof nourishing matter ; but there is this diflerence, that,in the latter, the nourishment is contained in the fleshyloaves themselves, whilst, in the former, it forms a massmo
Size: 1361px × 1837px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookcentury1800, bookdecade1870, booksubjectbotany, bookyear1879
