O
- Ochlandra, [15]
- Open vascular bundles, [19]
- Oropetium, [308]
- Oropetium Thomæum, [309], [228i]
- Oryza, [19i]
- Oryzeæ, [43], [123]
P
- Palea, [4], [14]
- Panicaceæ, [43], [45]
- Paniceæ, [43]
- Panicle, [13], [14]
- Panicum, [15], [16], [45], [46], [64]
- Panicum
- colonum, [11], [28], [30], [80], [89i], [90i]
- crus-galli, [28], [29], [30], [75], [78], [6i], [40i], [86i], [87i]
- distachyum, [92], [97i], [98i]
- flavidum, [28], [30], [69], [82i], [83i]
- fluitans, [28], [31], [72], [84i], [85i]
- interruptum, [95], [99i], [100i]
- isachne, [66], [80i], [81i]
- javanicum, [1], [5], [86], [1i], [7i], [93i], [94i]
- prostratum, [83], [91i], [92i]
- punctatum, [73]
- ramosum, [89], [95i], [96i]
- repens, [99], [102i], [103i]
- stagninum, [28], [77], [88i]
- tenellum, [97]
- trypheron, [96], [101i]
- Pappophorum, [288]
- Parenchymatous cells, [20]
- Paspalum, [15], [45], [47]
- Pennisetum, [46], [114]
- Pennisetum
- Pericycle, [32], [47i]
- Perotis, [123], [135]
- Phloëm, [19], [20]
- Pileole, [18]
- Piliferous layer, [31], [44i]
- Piper. Piper
- Pistil, [16]
- Pitted vessels, [20]
- Plumule, [18]
- Poaceæ, [43], [220]
- Polytoca, [45], [143]
- Pommereulla, [284]
- Primary axis, [18]
- Prophyllum, [10], [12i]
- Protandry, [16]
- Protogyny, [16]
R
- Raceme, [13]
- Rachilla, [14], [16]
- Rachis, [3], [13]
- Radicle, [18]
- Rhizome, [9]
- Root-hairs, [31], [44i]
- Root-system, [6]
- Rottboellia, [14], [139], [173]
- Rottboellieæ, [139]
S
- Sacchareæ, [138]
- Saccharum, [138], [148]
- Scales, [10]
- Sclerenchyma, [21]
- Scutellum, [18]
- Setaria, [45], [46], [109]
- Sheath of leaf, [10]
- Shoot-system, [7]
- Spiciform panicle, [13]
- raceme, [13]
- Spike, [13]
- Spikelet, [3], [13], [14]
- Spinifex, [45], [46], [103]
- Sporobolus, [230]
- Stamens, [15]
- Stele, [32]
- Stellate cells, [28], [31]
- Structure of leaf, [32]
- of root, [31]
- Sympodia, [9]