218 



INDEX AND GLOSSARY OF TERMS. 



DiectomisU. B. K, 57. 



Diffuse. Branched aud widely 



spreading. 



Digitate. Fingered; an arrange- 

 ment of branches, leaves, etc., 



wherein all start or radiate from 



a common point. 

 Dimeria R. Br., 44,47. 

 Diuebra/ac?., 127. 133. 

 Arabica/oej., 183. 

 Dinochloa Bitse, 202, 211. 

 Tjaukorreh Biuse, 211. 

 Digitaria Pers., 74. 

 Digraphs Trin., 93. 

 Dilepyrumll-Afm., 102. 

 Dioecious. Having staminate and 



pistillate flowers each borne on 



different plants. 

 Dioicopoa, 164. 

 Diplachue Beaut)., 138, 153. 

 Diplax Hook., 92. 

 Diplocea Raf., 153. 

 Diplopogon Brown, 98, 114. 



setaceus Brown, 114. 

 Dipogonia Beauv., 114. 

 Disakisperma Sieud., 211. 

 Disarrenum Labill., 94. 

 Dissanthelium Trin., 139, 153. 

 Distichlis Raf. , 142, 159. 



maritinia Safin., 159. 

 Distichous. In two perpendicular 



opposite rows. 

 Distribution, geographical, 31. 



means of, 28. 

 Divaricate. Widely spreading, the 



angle of the axil being greater 



than a right angle. 

 Dog's-tooth grass, 128. 

 Donax Beauv. , 150. 

 Dorsal. Belonging to or growing 



on the back. 



Dupontia Brown, 143, 164. 

 Fischeri Brown, 164. 

 psilosautha Rupr., 164. 

 Durra, 59. 



Eatonia .Ra/., 139. 155. 



filiformis Vasey, 155. 



obtusa Gray, 155. 



Pennsylvanica Gray, 155. 

 Echiuaria Deaf., 136, 147. 



capitata Desf. , 147. 

 Echinochloa Beauv., 76. 

 Echinolana Desv., 75. 

 Echinopogon Beauv., 97, 106. 



ovatus Beauv., 106. 

 Ectrosia Brown, 140, 156. 



leporina Brown, 156. 

 rptian Wheat, 185. 



" irta Thunb., 92. 



Ehrhartia Wigg , 90. 

 Electra Panzer, 163. 

 Eleusiue Gdrtn., 127, 133. 

 Coracana Gdrtn., 134. 

 Indica Gdrtn., 134. 

 Elionurus H. B. K., 47, 56. 

 barbiculinis Hack. , 56. 

 tripsacoides //. B. K., 56. 

 Elymeae (sub-tribe), 187. 

 ElymusZ., 171, 191. 

 arenarius L., 192. 

 Delileanus Sehult., 191. 

 Elytrigia Desv., 176. 

 Elytrophorus Beauv., 137, 148. 



articulatus Beauv., 148. 

 Emarginate. Having a notch at 



the end. 

 Embryo. The young plant as it 



exists in the seed. 19. 

 Endosperm. Tissue formed with- 

 in the embryo-sac after fertiliza- 

 tion, serving for the nutrition of 

 the embryo. Albumen. 

 English Ray-grass, 1 73. 

 Enneapogon Desv., 145. 

 Enodium Gaud., 153. 

 Enteropogon Nees, 126, 129. 

 Epiblast. Term applied to the 

 small scale-like appendage in 

 front of the embryo and oppo- 

 site the scutellum found in the 

 seed of many grasses. 24. 

 Epicampes Presl, 99. 109. 

 Epicotyl. The part of the young 

 stem let above the cotyledons, 24. 

 Epigeos Koch, 112. 

 Epithelium. Term applied to the 

 palisade-like and absorbent cells 

 covering the inner face of the 

 scutellum. 21. 

 Eragrostis Ho*t., 139. 154. 

 Abyssinica Link, 154. 

 brevifolm Benth., 134. 

 ciliaris Link, 154. 

 Mexicana Link, 154. 

 oxylepis Torr., 154. 

 pilosa Beauv., 154. 

 EremittsDott., 192. 

 Eremochloa Biise, 46, 55. 

 Eremochloe S. Wats , 152. 

 Eremopyrum Jaub. & Spach., 177. 

 Eriachne Brown, 115, 117. 

 Eriachne Nees, 119. 



glauca Brown, 118. 

 Erianthus Michx., 45, 51. 

 Ravenna? Beauv., 51. 

 Eriocha'.ta Fig. & De Not., 81. 

 Eriochloa Kunth, 70. 74. 

 Eriochrysis Beauv., 51. 

 Eriocoma Nutt.. 102. 



