Reproductive morphology of the lycophytes. Lycophyte sporangia are stalked and kidney-shaped, as in the zosterophyllophytes. In the earliest lycophyte groups, such as the Asteroxylales, the sporangia are oriented across the leaf, so that the widest dimension of the sporangium is perpendicular to the axis of the leaf. cross section of a member of the order Lycopodiales is shown above. You can see the large red xylem cells because they have been stained with a chemical which sticks to the lignin in the cell walls of that tissue. Notice that there are other kinds of tissues among the xylem.
(February 2013) A standing rib roast, also known as prime rib, is a cut of beef from the primal rib, one of the nine primal cuts of beef. While the entire rib section comprises ribs six through 12, a standing rib roast may contain anywhere from two to seven ribs.
4 Place the roast fat side up and rib bones down in a roasting pan. Insert a meat thermometer into the thickest part of the roast, making sure that the thermometer isn't touching a bone. 5 After browning the roast at a 500Â°F temperature in the oven for 15 minutes, reduce the oven temperature to 325Â°F.t is the king of beef cuts. Itâs called a standing rib roast because to cook it, you position the roast majestically on its rib bones in the roasting pan. Beautifully marbled with fat, this roast is rich, juicy, and tenderâa feast for the eyes and the belly. Itâs also very easy to cook.