. A textbook of botany for colleges and universities ... Botany. SPERMATOPHYTES 249. Fig. 555. — Partly diagrammatic transverse section of vascular cylinder of root of Ranunculus: the two outermost layers belong to the cortex, the inner one being the endodermis; the next layer (outermost one of the stele) is the pericycle; in the center is the group of xylem vessels, extending in four rays to the pericycle; the outermost xylem vessels of each ray are protoxylem, the metaxylem having developed towards the center in four converging lines; between the xylem rays are the four groups of phloem (sha


. A textbook of botany for colleges and universities ... Botany. SPERMATOPHYTES 249. Fig. 555. — Partly diagrammatic transverse section of vascular cylinder of root of Ranunculus: the two outermost layers belong to the cortex, the inner one being the endodermis; the next layer (outermost one of the stele) is the pericycle; in the center is the group of xylem vessels, extending in four rays to the pericycle; the outermost xylem vessels of each ray are protoxylem, the metaxylem having developed towards the center in four converging lines; between the xylem rays are the four groups of phloem (shaded).. 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 Coulter, John Merle, 1851-1928; Barnes, Charles Reid, 1858-1910, joint author; Cowles, Henry Chandler, 1869- joint author. New York, Cincinnati [etc] American book company


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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbotany, bookyear1910