GLOSSARY 



313 



Palea ... ... the inner glume in the spikelet of grasses, 4. 



Pectinate ... ... pinnatitid with narrow segments which are set close like the 



teeth of a comb, 162. 

 Pericycle ... ... the outermost zone of cells of the stele immediately within the 



endodermis, 32. 

 Phloem ... ... the portion of the vascular bund lc towards the cortex, 19. 



Pileole another name for germ-sheath, or the sheath covering the 



plumule in the grain, 18. 



Piliferous bearing hairs, 31. 



Pistil ... ... the female organ of a flower, consisting of the ovary, style and 



stigma, 16. 



Plumose feathered, 51. 



Prophyllum ... the first scale- like leaf of a branch found where it joins the main 



stem, 10. 

 anthers ripening before the pistil in the same flower, 16. 



Protandry (proter 



andry). 

 Protogyny (protero- pistil ripening before the anthers in the same flower, 16 



gyny). 



Puberulons 

 Pubescent 

 Punctate 

 Pungent 



Raceme 



Rachilla 



Rachis 

 Refuse 

 Rhizome 

 Rugulose 



slightly hairy, 62. 



clothed with soft hair, 62. 



marked with dots, pits or glands, 63. 



ending in a rigid and sharp point, 59. 



R 



a centrifugal or indeterminate inflorescence with stalked 



flowers, 13. 

 a secondary axis in the inflorescence of the grasses, the axis of 



the spikelet, 13. 

 axis of an inflorescence, 13. 

 with a shallow notch at the apex, 67. 



root-stock or under ground stem prostrate on the ground, 5. 

 somewhat wrinkled, 90. 



Seaberulous 

 Scabrid 



Scale 



Sclerenchyma 



Scutellum ... 



Secund 



Serrate 



Setose 



Sheatb 



Spathaceous 



Spiciform .... 



Spike 



Squarrose ... 



Stipe 



Stipitate 



Stolon 



Striolate 



Sub-coriaceous 



Subulate 



slightly rough due to the presence of short hairs, 69. 



somewhat rough, 75. 



a reduced leaf, 10. 



elongated cells with pointed ends and much thickened cell- 

 wall. 



the single cotyledon found in connexion with the embryo in 

 grass grains, 18. 



directed to one side only, 47. 



beset with small teeth on the margin, 83. 



beset with bristles, 102. 



the tubular lower part of a leaf in grasses, 2 



having a large bract enclosing a flower cluster, 104. 



spike-like, 13. 



an inflorescence with sessile flowers on an elongated axis, the 

 older flowers being lower down and the younger towards the 

 top, 13. 



lough with outstanding processes, 120. 



a short stalk of a gynrecium, 90. 



having a short stalk, 62. 



any basal branch which is disposed to root, 5. 



marked with very fine longitudinal parallel lines, 49. 



somewhat laathery, 47. 



finely pointed, 121. 



Triquetrous ... three-sided or edged, 47. 



Truncate as if cut off at the end, 60. 



Tumid ... ... swollen , 66. 



Turbinate cone-shaped or top shaped, 120. 



Xylem 



the wood elements of the vascular bundle lying next to the 

 phloem, 19. 



