122 



INDEX AND GLOSSARY. 



Pendulous ; drooping, hanging down. 



Pentagonal ; with 5 sides and 5 angles. 



Pentundrous ; with 5 stamens. 



Pepo, llf), 13. 



Perennial ; enduring three years or more. 



Perfoliate, -212, 2. 



Perianth, ')i. 



Pericarp, 112. 



Perigynous ; inserted into the calyx. 



Peristome ; the rim or border surromiding 

 the orifice of the theca of a moss. 



Pei-manent ; same as persistent. 



Persistent, 98. 



Personate, 104, 5. 



Petiil, 101. 



Petaloid ; resembling petals. 



Pctiolate, 221. 



Petiole, 221, 222. 



Pha;nogamia, 46, 325. 



Pilose, 99, a. 



Pinna? ; (wings) the segments of a pinnate 

 leaf. 



Pinnate, 210, 1. 



Pinnatifid, 232, 15. 



Pistil, 5S, 75. 

 " physiological structure of, S3. 

 " theoretical structure of, S-1. 



Pistillate ; bearing pistils. 



Pith, 199. 



Placenta, 87. 



Plaited, 217, 6. 



Plant defined, 10. 



Plicate ; folded like a fan. 



Plumose, 99, a. 



Plumule, 124, 6. 



Pod ; lesumes, siliques, &C. 



Pollen, 70. 



Polyandrous ; with many stamens. 



Polyadelphous ; stamens united in seve- 

 ral sets. 



Polygamous ; having staminate or pistil- 

 late and perfect flowers on the same 

 tree. 



Polygynous ; with many pistils. 



Polypetate, 334. 



Polypetalous, 101. 



Polysepalous, 96. 



Polvspermous ; many-seeded. 



Poiiie, 116, 12. 



Pores; apertures of perspiration in the 

 cuticle. 



Premorse, 145, i. 



Prickles, 43. 



Primiue, 90. 



Prismatic; fonned like a prism, with 3 

 or more angles. 



Procumbent; trailing on the ground. 



Proliferous ; fonning young plants about 

 the roots. 



Prostrate ; trailing flat on the ground. 



Pubescent, 41 , a. 



Pulp ; the soft, juicy, cellular substance 

 found in berries and other fruits. 



Pulverulent; powdery. 

 Punctate, 237, 10. 



Pungent ; stingmg or pricking, 

 l^utamen, 112. 

 Pyriform ; pear-shaped. 

 Pyxis, 116,11. 



Quinate, 241,9. 

 Quincuneial, 108, 3. 



Eaceme, 208. 



Racemose ; resembling a raceme. 



Kachis, 290. 



Radiate ; when the outer flowers of an in- 

 florescence are largest, or furnished 

 with ravs. , 



Radiate-veined, 230, 2. 



Radical, 220. 



Radicle, 124, a. 



Ramiul, 220. 



Ramose, 144. 



Raphe, 121. 



Raphides, 29, / 



Receptacle, 59. 



Recurved ; bent or curved backwards. 



Reflexed ; curved backwards and down- 

 wards. 



Reniform, 232, 12. 



Repand, 2:35, 11. 



Respiration, 275 — 2S0. 



Resupinate ; inverted. 



Reticulate, 229, 1. 



Retrorse ; bent backwards. 



Retuse, 236, 5. 



Revolute, 217, 4. 



Rhizoma, ISl. 



Rhomboid ; oval and angular in the mid- 

 dle. 



Rib [costa] ; ridge caused by projecting 

 veins, &c. 



Ringent, 104, 5. 



Root, 136 — 160. 

 " growth of, 153. 

 " forms of, 1-13, &c. 

 " use of, 154. 

 " physiological structure of, 151. 



Rosaceous, 105, 2. 



Rostrate ; with a beak. 



Rosulate ; arranged in a radiant manner, 

 hke the petals cf a doable rose. 



Rotate, 104, 4. 



Rugose, 237, 9. 



Ruiicinate, 232, 13. 



Runner, 1S5. 



Saccate ; with a bag or sack. 

 Sagittate, 232, 11. 

 Sanuira, 116, 10. 

 Sap, 26s. 

 Sapwood, 203. 

 Sarcocarp, 112. 

 Scabrous ; rough. 



Scale ; the bracts of the CompositaB. 

 Scape, 1S6, 2S;D. 



Scarious ; dry, colorless, membranaceous. 

 Scorpoid ; when racemes are revolute be- 

 fore expansion, as Drosera, &c. 



