INDEX 



243 



One-celled anthers (165, 166), 68 

 One-lipped corolla (105) 

 One-serialled ovules, 78 

 Onion bulb (462) 

 Oogonia, 213 

 Oosphere, 213 

 Oospore (277) 

 Oospores in algae, 213 

 Opaque leaf, 177 

 Open campanulate (91) 



collateral bundle, 146 



perigone (120) 



sheath (465, A, etc.), 170 

 Opposite leaves, 196 

 Opuntia fruit (281) 



stem (458), 167 

 Orange, 118 



leaf (550, 551) 

 Orbicular leaf (493), 180 

 Organic bodies, characters of, 17 



kingdom, 17 



matter, 17 

 Organogeny, 19 

 Organography, 19 

 Organs, 17 



Orthospermous (335), 121 

 Orthostachy (573), 196 

 Orthotropous ovule (241), 81 

 Outer lip (111) 

 Outgrowth (63), 47 

 Outgrowths (436), 156 

 Outline of compound leaf, 179 



of leaf, 179 

 Oval (489, 490), 179 



elliptical (489), 179 

 Ovary (9, 10), 32 



defence on fruiting (282) 



first plan of structure (219, etc.), 76 



second plan of structure (225, etc.), 

 77 

 Ovate (494), 179 



lanceolate (497), 189 

 Ovoid, 54 

 Ovule (277, 278) 



changes by fertihzation, 127 



connection between stigma and, 99 



internal structure of (277), 98 



of gymnosperms, 98 



parts of (241-244), 79 

 Ovules (10), 31 



direction of (233, etc.), 78 



forms of (241, etc.), 80 



number of, 78 



position of, 78 



series of, 78 



structure of (241-244), 79 

 Oxalis leaf (506) 



Pabderia style (185) 



Palate (94), 58 



Palets, 206 



Palm fruit, abortion in (285) 



Palmate (548), 190 



Palmately compound (547), 190 



veined leaf (527, 528), 186 

 Palmatifid, 189 

 Panicle, 203 

 Paniculate, 203 

 Panicum (514) 

 Papaw (309), 118 

 Papilionaceous (110), 57 

 Papillose, 178 



stigma (275) 

 Pappus, the (74-83), 51 

 Parenthetical names, 223 

 Parietales, 219 



Parallel veined leaves (526), 185 

 Parietal placentae (225, etc.), 77 

 Pari-pinnate (554), 192 

 Parted (538, 546), 188 



perigone (84) 

 Passiflora (116) 



fruit, 125 

 PauUinia ovule (234) 

 Pea-fruit (350) 



leaf (567) 

 Peanut (313), 112 

 Pedate (553), 191 

 Pedicel (584, c), 199 

 Pedicularis leaf (538) 

 Peduncle (a in 576 and 583), 199 

 Pelargonium, flower of (48) 

 Pellucid-punctate leaf, 177 

 Peltate leaf, 176 



stigma (183, 198), 74 

 Pendant stem, 165 

 Pendulous ovules (239), 78 

 Penninerved leaf (524), 186 

 Penicillate (208), 74 

 Pentimerous flower (30), 38 

 Pentapanax ovary (217) 

 Pentstemon anther (132) 

 Pepo (332), 118 

 Perennial roots, 158 



stems, 161 

 Perfect flowers, 31 

 Perfoliate leaf (480), 176 

 Perianth, 33 

 Periblem (420), 139 



structures from, 140 

 Pericambium (421), 141 

 Pericarp defined, 105 



layers of, 105 

 Perichaetium, 215 



in mosses, 221 

 Pericycle (421), 141 

 Periderm, 140 



secondary, 140 

 Perigone, 33 



chapter on, 50 



color of, 50 



form of parts of, 50 



number of parts of, 50 



special form of, 53 

 Perigynous (57, 58), 46 

 Perigyny (57, 58), 46 

 Peripheral embryo (409, 410), 133 



