21S 



INDEX AND GLOSSARY OF TERMS. 



Diectomis H. B. K , 57. 



Diffuse. Branched and widely 



spreading. 

 Digitate. Fingered; an arrange- 

 ment of branches, leaves, etc., 



wherein all start or radiate from 



a common point. 

 Dimeriaie. Br., 44, 47. 

 Dinebra Jacq. , 127. 133. 

 Arabica Jacq., 183. 

 Dinochloa Biise, 202, 211. 

 Tjankorrek Biise, 211. 

 Digitaria Pers., 74. 

 Digraphis Trim, 93. 

 Dilepy rum liati n . , 102. 

 Dioecious. Having staminate and 



pistillate flowers each borne on 



different plants. 

 Dioicopoa, 164. 

 Diplachne Beauv., 138, 153. 

 Diploic Hook., 92. 

 Diplocm Raf., 153. 

 Diplopogon Brown, 98, 114. 



setaceus Brown, 114. 

 Dipogonia Beauv., 114. 

 Disakisperma Steud., 211. 

 Disarrenum Labill., 94. 

 Dissanthelium Trin., 139, 153. 

 Distichlis Raf. , 142, 159. 



maritima Rafln., 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. 

 psilosantha Rupr., 164. 

 Durra, 59. 



Eatonia Raf., 139, 155. 



filiformis Vasey, 155. 



obtusa Gray, 155. 



Pennsylvania Gray, 155. 

 Echinaria Desf., 136, 147. 



capitata Desf. , 147. 

 Ecldnochloa Beauv., 76. 

 Echinolcena Desv., 75. 

 Echiuopogon Beauv., 97, 106. 



ovatus Beauv. , 106. 

 Ectrosia Brown, 140, 156. 



leporiua Brown, 156. 

 Egvptian Wheat, 185. 

 Ehrharta Thunb., 92. 



Ehrhartia Wigg , 90. 

 Elecira Panzer, 163. 

 Eleusine Garlu., 127, 133. 

 Coracana Gdrtn., 134. 

 Iudica Giirtn., 134. 

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

 barbiculmis Hack., 56. 

 tripsacoides II. B. K., 56. 

 Elymese (sub-tribe), 187. 

 ElymusZ., 171, 191. 

 arenarius L., 192. 

 Delileanus Schult., 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, 173. 

 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 Brest, 99. 109. 

 Epicotyl. The part of the young 

 stemlet 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 Host., 139, 154. 

 Abyssinica Link, 154. 

 brevifolia Benth., 134. 

 ciliaris Link, 154. 

 Mexicana Link, 154. 

 oxylepis Torr., 154. 

 pilosa Beauv., 154. 

 Eremitis Doll., 192. 

 Eremochloa Biise, 46, 55. 

 Eremoehloe 8. Wats , 152. 

 Eremopyrum Jaub. & Spach., 177. 

 Eriachne Brown, 115, 117. 

 Enachne Nees, 119. 



glauca Brown, 118. 

 Eriauthus Michx., 45, 51. 

 Ravennoe Beauv., 51. 

 Eriocluvta Fig. & De Not., 81. 

 Eriochloa Kunth, 70. 74. 

 Eriochrysis Beauv., 51. 

 Eriocoma Nutt.. 102. 



