328 



INDEX AND GLOSSARY. 



Node, 227, 202. 



Normal^ resfular, according to rule. 



Number of Genera, 246. 



Number of Species, 24fi. 



JShit, a simple, 1-seeded, hard fruit. 



Ob (in composition) implies inversion ; as 



Ohcordate, 'nversely heart-shaped, 34. 



Oblanceolate, 17. 



Oblique^ unequal, one-sided 



Oblong, 16. 



Obovate, 17. 



Obsolete, indistinct, as if worn out. 



Obtuse, blunt, 33. 



Obvolute, 138. 



Ocbrese, 47. 



Odd-pinnate, 37. 



Off-^et, a short, thick runner. 



Opercular dehiscence, 104. 



OpjDosite, 50. 



Orbicular, rounded, 16. 



Orders, 247. 



Ordinal, relating to the orders. 



Oval, 16. 



Ovary, 121, 123. 



Ovate, 2. 



Ovoid, egg-shaped. 



Ovules, 123. 



Pales, the inner chaff of grass flowers. 

 Palmate, hand-shaped. 

 Palmate venation, 10. 

 Falmately ternate, 38. 

 Panduriform, fiddle-shaped. 

 Panicle, 153. 



Papilionaceous, 89. [cesses. 



Papillous, with small, gland-like pro- 

 Pappus, 188. 

 Parallel venation, 11. 

 Parasite, a plant living on other plants. 

 Parietal, of, or adjoining the wall ; as 

 Parietal placentae — Fig. 269. 

 Pectinate, comb-like, with long, narrow 



segments. 

 Pedate, foot-shaped, 26. 

 Pedicel, 143. 



Pedicdlat''., furnished with a pedicel. 

 Peduncle, 143. 

 Pellucid, transparent. 

 Peltate, 20.— Fig. 1:5. 

 Pendulous, drooping, hanging down. 

 P.-ntandnms, with 5 stamens. 

 I'epn, 175. 



Perennial, enduring 3 years or more, 213. 

 Perfect flower, 110. 

 Perfoliate, 42. 



Perianth, fifi. 



Pericarp, 166. 



PtrigynuuH, inserted into the calyx, 83. 



Persistent, permanent, not falling off. 



Personate, 97. 



Petal, 65. 



Petal ifera?, 257. 



Pdaloid, resemVjiing petals. 



Petiole and Petiolate, 3. 



Petiolule, 35. 



Phsenogamia, 250. 



Pilous, 62. 



Pine-apple, 183. 



Pinnae, (wings), segments of a pinnate 



leaf. 

 Pinnate, 36. 

 Pinnately ternate, 38. 

 Pinnatifi'd, 24. 

 Pinnatisect, 25. 

 Pistil, 68.— Lesson 18. 

 Pistillate, bearii.'g pistils. 

 PUh, the central cellular substance of tJio 



stem. 

 Placenta, a lobe ur fleshy ridge tearing 



the seeds. 

 Plaited, same as Plicate. 

 Plan of the flower. — Lesson 17. 

 Plicate, folded like a fan. 

 Plumous, feaxhery or feather-like. 

 Plumule, 190, 191. 



Pod, dry fruit ; as capsule, legume, <fec. 

 Pollen, J 00. 



Poly (in composition) signifies inany ; as 

 Potyandrous, with many stamens. 

 Polyadelphous, 107. 

 Polygamous, having perfect flowers, with 



staminate or pistillate flowers on the 



same plant. 

 Polypetalfe. See Dialypetalae, 258. 

 Polypetalous, 75, 258. 

 Polysepalous, 75. 

 Poriie, 176. 



Porous dehiscence, lOi. 

 Premorse, abrupt at end, as if bitten off. 

 Prickles, 57. 



Process, any projection from the surface. 

 Procumbent, 224. 

 Prostrate, 224. 

 Pubescent, 61. 



Pulp, the soft, iuicy parts of fruits. 

 Punctate, dotted as if with points. 

 Pyriform, pear-shaped. 

 Pyxis, 178. 



Quaternate, growing in fours. 

 Quinate, growing iii fives, 40. 



