INDEX OF TERMS. 
Semi-amplexus, 87. 
Semi apertus, 115. 
Semi-cordiformis, 82. 
Semi-cylindricus,66,215 
Semi-double, 97. 
Semi-flosculosus, 102, 
Semi-inclusus, 201. 
Semi-inferus, 127. 
Semi-lunatus,67,82,156, 
181, 186. 
Seminalis, 61, 151. 
Seminiferus, 42, 
196. 
Semi-ovalis, 82, 
Semi-sagittatus, 82. 
Semi-staminarius, 97. 
Semi-verticillatus, 102. 
Sempervirens, 78, 
Sena, 61. ; 
Sepalum, 128, 
Septem-angulatus, 69. 
Septem-digitatus, 72, 
Septem-lobus, 70. 
Septem-nervius, 75, 
Septicidus, 188, 
Septiferus, 193, 
206. 
Septiformis, 197. 
Septifragus, 188. 
Septilis, 198. 
Septulum, 158, 171. 
Septum, 195, 
Serialis, 89, 141, 201. 
Sericeus, 46, 58, 77, 
167. 
Serotinus, 99. 
Serratus, 68. 
Serrulatus, 69. 
Sertulum, 114, 
Sessilis, 62, 86, 88, 89, 
194 
2 
194, 
93) 1932 544151, 
155, 166, 197, 201, 
216, 219. 
Seta, 123, 142, 221, 226. 
Setaceus, 66, 83, 90, 
116, 121. 
Setosus, 107, 167, 169, 
170. 
Seven-angled, 69. 
Seven-fingered, 72. 
Seven-lobed, 70. 
Seven-ribbed, 75. 
Seven-stamened, 95. 
Seven-styled, 9T. 
Seven-valved, 187. 
Sex-eremus, 174. 
Sexfidus, 126. 
Sexlocularis, 176, 187. 
Sextuplex, 154, 
Shady, 47. 
Shaggy, 147, 150. 
Sharp, 67, 143. 
Sheath, 53, 83. 
Sheathed, 57, 105, 
Sheathing, 63, 80, 81, 
144, 157. 
Sheave-like, 211. 
Shell, 175, 205, 
Sheltering, 78. 
Shield, 164, 
Shielded, 147. 
Shield-like, 76, 201. 
Shining, 45, 58,77, 192, 
203. 
Shore, 47. 
Short, 127, 214, 218. 
Shortened, 2 
Shorter, 147, 
Shrub, 36. 
Shrubby, 56. 
14, 
Siccus, 180, 209, 
Sicklelike, 137. 
Sickleshape, 
Side, 93, 214. 
215. 
Side-lving, 141, 
Sigillatus, 51. 
Silicula, 183. 
Siliculaeformis, 185. 
Silky, 46, 58,77, 167. 
Siliqua, 182. 
Siliqueformis, 185, 
Silver grain, 53. 
Similaris, 121, 122, 215, 
Similifiorus, 
Similis, 149. 
114, 
Sim plex,50,56,79,86,88, 
90, 91, 102, 104, 166 
—109, 111—113, 118, 
144, 154, 
156, 
164, 
167, 169, 171, 208. 
Simplicissimus, 56. 
Single, 56, 81, 95, 108, 
117, 
209. 
151, 
152, 
Sinistrorsum, 57, 
Sinochorium, 184, 
Sinuato-lobatus, 168. 
Sinuato-undulatus, 169. 
Sinuately waved, 169. 
Sinuatas, 69, 162, 
Sinuolatus, 69. 
Sinuosus, 146, 208. 
Six-celled, 
184, 187. 
Six-cut, 126. 
174, 
Six-leaved, 124, 
Six-petaled, 129. 
Six-rowed, 93. 
Six-sepaled, 
124. 
Six-sided, 55, 
Six-stamened, 95. 
154, 
176, 
Six-styled, 97. 
Six-winged, 1&6, 
Sixes, 61, 
Skin, 39, 205, 206. 
Slate, 46, 
Slender, 55, 108, 110, 
144, 218. 
Slime, 225. 
Slit, 83, 148, 
Slow-growing, 42. 
Small, 176, 244, 
Smooth, 45, 57, 76, 147, 
150, 168, 169, 192, 
203. 
Smocthened, 58. 
Snail-like, 103. 
Snow, 47. 
Soboles, 42, 85. 
Soboliferus, 42, 
Soft, 64, 
Soldered, 180, 
Solidus, 54,85, 144, 171. 
Solitarius, 81, 91, 95, 
108. 
Solutus, 81. 
Soredium, 224, 
Sorosus, 190. 
Sorus, 221. 
Spaces, 38. 
Spadix, 104, 106, 
Sparsus, 59, 62, 
Spatha, 116. 
Spathaceus, 99, 
Spathatus, 99, 111, 114. 
Spathella, i20, 122, 
Spathellula, 1¢2. 
Spathilla, Li7. 
Spatula-shape, 65, 133. 
Spathulatus, 65, 133. 
Spearshape, 107, 116. 
Spectans, 87. 
Spermapodium, 169. 
Spermatocystidium, id2, 
Spermodermis, 205. 
Spermopodophorum,169 
Spermophorus, 196. 
Spheericus, 106, 
114,°150; 167, ‘173, 
176—179, 186, 189, 
190, 197, 202, 211. 
Spheroblastus, 45, 
Spherula, 224. 
Sphalerocarpium, 173, 
Spica, 109, 
Spicatus, 101. 
Spiciformis, 189, 
Spicula, 111, 
Spiculatus, 109. 
Spike, 109. 
Spiked, 101, 
Spikelet, lil. 
108, 
