INDEX OF SUBSTANTIVE TERMS. 413 
Nut, 128. Quartine, 118 
f Quintine, 118 
Ochrea, 65 
Operculum, 226 Raceme, 90 
_ Organs, nutritive, 31 Radicle, 39, 137 
ORGANOGRAPHY, vegetable, 2 Radicles, 32 
Organs, reproductive, 84 Rachis, 61, 87 
sexual, 85 Raphe, 117 
Ovary, 113 Raphides, 22 
Ovule, 116 Ray, 103 
Receptacle, 105 
Palez, 88 Receptacles, 22 
Panicle, 91 Respiration, vegetable, 76 
Pappus, 103 Rhizoma, 43, 44 
Parenchyma, 20 Root, 31 
Pedicel, 87 Rootstock, 43 
Peduncle, 86 
Pepo, 130 Samara, 130 
Peponida, 130 even Sap, £68 
Perianth, 96 £3 Sarcocarp, 124 
Pericarp, 123 Scales, 89 
- Perichaetium, 226 Scape, 87 
_ Peristomia, 226 Scion, 145 
Perigonium, 96 Secundine, 116 
Perisperm, 134 Seed, 133 
Petals, 98 Sepals, 97 
Petiole, 60 Sertulum, 92 
Petiolet, 61 Seta, 226 
Pileus, 214 ‘ Shields, 218 . 
Pistil, 112 Shrub, 43 ~ 
Pith, 51 - ’ Silicula, 130 
Placenta, 115 Siliqua, 129 
Phoranthus, 94, 105 Silver grain, 50 
Pod, 127 Sori, 230 
Podosperm, 116 Sorosis, 132 
Pollen, 108 Spaces, intercellular, 2] 
Pome, 130 Spadix, 93 
Prickles, 66 Spatha, 88 
Primine, 116 Species, 178 
_ Propagation by buds, 142 Spermoderm, 134 
———_._ slips and layers, 143 Spike, 90 
Phragmata, 125 Spikelet, 90 
Spines, 66 
Sporules, 58, 212 
Stamens, 105 
