INDEX AND GLOSSARY OF TERMS. 



The figures In broad-faced type refer to tbe Illustrations. 



At'uloolate. Prickly. Armed with 

 p- small prickles. 

 Acuminate. Taperiiip: to a point. 

 Acntirtora. Acute flowered. 

 Ajrropyrum. Grt'ek, Field Wheat. 122. 



caninum lieichh., 179...123. 



repens lieaur.. 17N...123. 



ACJROSTIDE.E. 02. 



Ajrrostis. Greek, Of the field. 

 Agrostis. 74. 



alba Linn.. I02...41, 78. 



arachnoides lilL, 101...78. 



caiiina Linn., 77. 



elata Trin., »«...75. 



intermedia Srrlfni , 70. 



Xovjv-An<ii:lia? Tnckerm., 9H...~i\. 



pereiinans Tnckerm., »7...76. 



polymorpha Ifuds. 7S. 



rubra Linn. var. Americana, iOO... 

 77. 



rupestris Chap)ii., 100...77. 



scabra n7//(7., »»...77. 



stolonifera, Limt.. lo:i...79. 



vulfraris With. 78, 79. 

 Agrostoides. Like Agrostis. 

 Alba. White. 



Albumen. The food material stored 

 in the grain or seed, sometimes 

 in the cotyledons of the em- 

 bryo, for the nourishment of the 

 plant during germination. 

 Alopecuroides. Like Fox-tail. 

 Alopecurus. (rreek, Fox-tail. 70. 



geniculatus Linn., 89. ..71. 



pratensis Linn., NW...70. 

 Alsodes. (rrowing in woods. 

 Altissimum. Tallest. 

 Anceps. Two-edged. 



AXDROPOGOXE.K. 16. 



Andropogon. Greek, A man's beard. 



20. 

 argyrppus Schult.. N...23. 

 avenaceus Michx. 27. 

 Flliottii Chapni.. »...24. 

 Hallii Ifnckl. 23. 

 macrourus Mirh.r., II. ..20. 

 nutans Linn., 12. ..20. 

 provincialis. Lam., 7. ..22. 

 provincialis var. Tennesseensis 



Scribn. 23. 

 scoparius Michx . «...21. 

 Sorghum Halepense Hnckl., U... 



27. 



Andropogon unilateralis. 27. 

 Virginicus Linn.. ■O...10, 25. 



Angustifolium. Narrow-leaved. 



Annua. Annual. 



Annual. Lasting but one year, or a 

 single season. Monocarpic — 

 fruiting but once. 



Anther. Tlie part of the stamen 

 containing the pollen. In 

 grasses the anthers, at ma- 

 turity, are two-celled and are 

 attached to the slender fila- 

 ments either at one end, when 

 they are Imsijixejl, or near the 

 middle, when they are versatile. 



Antlioxanthum. Greek, Yellow flow- 

 er 02. 

 odoratum, Linn.. 7 1. ..01. 



Apiculate. Ending in a short-pointed 

 tip. 



Appressed. Lying close to, or flat 

 against some other body. 



Aquatic. Applied to plants growing 

 in water. 



Aquatica. Aquatic. 



Arachnifera. Bearing a spider web- 

 referring to the web-covered 

 flowers in Poa arachnifera. 



Arachnoides. Cobweb-like. 



Arenarium. Of sandy soil. Grow- 

 ing in sandy soils. 



Argenteum. Silvery. 



Argyranis. Silvery. 



Aristatum. Awned. 



Aristida. Latin, Bearded or awned. 

 63. 

 dichotoma Michx., 73... 64. 

 gracilis EU., 71. ..04. 

 oligantha Mi'hx.. 77. ..05. 

 purpurascens Pair.. 7.'»...04. 

 ramosissima Ena^lm., 7:8... 6.3. 

 stricta Michx., 7«...a5. 



Arrhenatherum. Greek. From arrhen, 

 male, ather a point; the stami- 

 nate florets awned. K^. 

 avenaceum R. & >'., 111. ..83. 

 elatius n>inui:. I II... 83. 



Articulated. Jointed, or breaking 

 up into joints. 



Arundinacea. Reed-like. Arundo — a 

 reed. 



Arundinaria. (Cane.) Latin, a reed. 

 128. 



