Quercus prinoides var. "prinoides". The dwarf chinkapin oak is a shrub or small tree that typically only grows to 13–20 feet (4–6 meters) tall and 13–20 feet (4–6 meters) wide. It sometimes spreads vegetatively by means of underground rhizomes. The leaves of dwarf chinkapin oak closely resemble those of chinkapin oak, although they are smaller: 2-6 inches (5–15 cm) long, compared to 4-7 inches (10–18 cm) long for chinkapin oak. The acorns are 1/2 to 1 inches (15–25 mm) long, with the cup enclosing about half of the acorn. While similar in foliage and fruits, but with smaller leaves, the dwarf chinkapin
Many Happy Returns (Person of Interest) to Nielsen Media Research. This was a 4% increase in viewership from the previous episode, which was watched by 12.73 million viewers with a 2.4/6 in the 18-49 demographics. With these ratings, "Person of Interest" was the third most watched show on CBS for the night beating "The Mentalist", but behind "Rules of Engagement", and "The Big Bang Theory", second on its timeslot and fifth for the night in the 18-49 demographics, behind "Rules of Engagement", "Grey's Anatomy", "American Idol", and "The Big Bang Theory". "Many Happy Returns" received very positive reviews from critics. Keysha Couzens of "TV Overmind" wrote