A Preliminary Study on Drought Stress of Two Kinds of Ornamental Grasses Diurnal change of photosynthetic characteristics and response to light intensity of seven ornamental grasses A Preliminary Study on Drought Stress of Two Kinds of Ornamental Grasses Evaluation of Five Ornamental Grasses from Pennisetum Rich. Grown in Beijing Influences of Division Size and Shade Density on the Growth of Miscan thussinensis ( Anderss) ‘Variegatus’ Investigation and Propagation Characteristics of Native Ornamental Grass Resources in Beijing Effect of Drought Stress on Withered Leaf Rate and Physiological Indices of Four Ornamental Grasses Influences of Division Size and Shade Density on the Growth of Miscan thussinensis ( Anderss) ‘Variegatus’