152 Illustrations of Seeds. 



ILLUSTRATIONS OF THE SEEDS USED IN LAVING DOWN 

 LAND TO GRASS ON THE CLIFTON PARK SYSTEM. 



On the plates following this page are shewn micro-photographs of the See^ 

 of the Tarioas Grasses, Qovers, and other plants used in the Clifton Park 

 System. These illustrations will enable the reader to identify the differeirt 

 species of seeds, to form a judgment of the genuineness of a sample, and 

 to detect any impurities it may contain. 



When comparing samples of seeds with these illustrations, or the illustra- 

 tion of one species with another, tiie different magnifications (which are 

 given below), of the various illustrations should be noted. The larger seeds 

 are shewn six times their natural size, while the smaller seeds are magnified 

 ten times. , .„ ^. 



■PT ATli' T Magnification 



fLiAlHi 1. in diameters. 



Aloppcurus pratensis (Meadow Foxtdl) 6 



Anthoxanthimx odoratvim (Sweet Vernal Grass) ... 6 



Avena elatior (Tall Oat-Uke Grass) 6 



Avena flavescens (Golden Oat Grass) 6 



PLATE II. 



Dactylis glomerata (Cocksfoot) 6 



Festuoa duriuscnla (Hard Fescue) 6 



Festuca elatior (Tall Fescue) 6 



Festucaprateusis (Meadow Fescue) 6 



LoUum italicum (Italian Kyegrass) 6 



Iiolium pereune (Perennial Ryegrass) ... ... 6 



PLATE in. 



Festuca oviua tenuifolia (Fine-leayed Fescue) ... 10 



CyuoBuxus cristatus (Crested Dogstail) 10 



Phleiun pratense (Catstail or Timothy) 10 



Poa nemoralis (Wood Meadow Grass) ... ... 10 



Foa prateusis (Smooth-stalked Meadow Grass) ... 10 



Poa trivialis (Rough-stalked Meadow Grass) ... 10 



Foterium sanguisorba (Burnet) 6 



Achillea Millefoliiim (Yarrow) 6 



Cichorium intybus (Chicory) 10 



PLATE IV. 



Anthyllis vulneraria (Kidney Vetch) fl 



Medicago lupulina (Trefoil) 6 



Medioago sativa (Lucerne) 6 



Trifolium hybridum (Alsike Clover) 6 



Trifolium pratense (Red or Broad-leaved Clover) ... 6 



Trifolium pratense pereune (Perennial Red Clover)... 6 

 Trifolium pratense perenne var. (Late-flowg. Red C3oTer) 6 



Trifoliiun repens (White Clover) 6 



Inferior Grasses sometimes found in Samples of good Species. 

 PLATES I., II. and IV. 



Fig. 18. Aira caespitosa (Tufted Hair Grass) 10 



2. Aira flexuosa (Wavy Mountain Hair Grass) 6 



5. Alopecmrus agxestis (Black Grass) 6 



6. Anthoxanthum Puelii (Fuel's Vernal Grass) ... 6 



17. Bromus mollis (Soft Brome Grass) 6 



15. Bromus secaUnus (Rye-seeded Brome Grass) ... 6 



14. Festuca sciuroides (Squirrel-tail Fescue) 6 



3. HolouB lanatus (Yorkshire Fog) 6 



24. Poa annua (Annual Meadow Grass) 10 



