(1834â1908), Dutch ophthalmologist. Snellen was director of an eye clinic at Utrecht. In 1862 he introduced a test for measuring the acuteness of vision which consisted of printed letters or words in type of various sizes.
The poppy of wartime remembrance is Papaver rhoeas, the red-flowered corn poppy. This poppy is a common weed in Europe and is found in many locations, including Flanders, which is the setting of the famous poem In Flanders Fields by the Canadian surgeon and soldier John McCrae.
The poppy (Papaver rhoeas L.) is an ancient flowering plant, long desired by gardeners in a range of landscape situations. Learning how to grow poppies allows you to use their beauty in many flower beds and gardens. Planting poppies is simple and rewarding when their single and double blooms appear in cooler seasons.ow to Grow Poppies. Poppy plant care involves the deadheading of spent flowers, resulting in more prolific blooms of the poppy plant. Poppy flowers need limited watering once they have settled into their location. Too much water can result in tall, leggy, unattractive growth of the growing poppy flower.