160 P I T 



ODLOWG, 15, QSOVATK, 15. 



OBSOLETE. When teeth, notehes, serratures, &c. are obscure and ap,- 

 pear as if worn out. 



OBTUSE, 17. 



OFFICINALIS. Such plants as are sold in the shops for some use, either 

 i medicine or the arts. 



OPPOSITE, )7. ORBICULAR. 15. 



ORBS. That kind of receptacle of lichens, which is flat, orbicular 

 and dilaied, of the substance of the frond, terminal, peltate, without 

 a border, but often surrounded wnh radiating shoots. The mem. 

 brane, or disk under which the seeds are lodged, is smooth, nearly 

 of the colour of the frond. Spurious orbs bordered like shields or 

 spangles when young 1 , are sometimes found in the genus cerw'cufc* 

 ria. Smith. 



OVAL, 15. OTATE, 15. PALMATE, 16. PANICLE, 13. 



PAPILIONACEOUS, 1 ! . 



PARALLEL. Two lines or opposite sides, running nearly equal distao* 

 ces from each other. 



PARASITIC. Drawing- support from another plant. Crowing out of 



ano'her ; as rhe dodder. 



.PARTIAL. Particular not general The perianth, involucre, petiole, 

 &c. of one floret, or of a separate part of all the florets, which with 

 others constitute a compound or nggregate. 



PARTITION. The membrane. 8tc. which divides pericarps into cells. 

 It is parallel, when it unites with the valves where they unite with 

 each other. It is contrary or transverse, when it meets a valve in 

 the middle, or in am part not at its suture, or juncture whh aBotiieiv 



PARTED, partitus. Deeply divided, almost to the base. 



PEDATE, 16. 



PEUICEL A partial peduncle. 



PEDUNCLE, 15. PELTATE, 17. 



PENDULOUS. When the whole of the part droops, or hangs downv 



PEHENXIAL. Continuing more than two years. 



PERFECT FLOWER, 13. PERFOLIATE, 17. 



PERFORATE. Having holes as if pricked through. 



PERIAXTH, 9. PERICARP, 9. 



PERISTOME. The fringe, teeth, or membrane, around the mouth of 

 the capsules of mosses, under the lid. 



PERMANENT. Any part of a plant is permanent, which remains longer 

 compared with other parts of the same plant, than is usual for simi- 

 lar parts in most plants. As the calyx of the quince remains on the 

 end of the fruit, till it ripens. 



PERSONATE, 10 



PTAL. The coloured leaf or leaves of the corol. The petal of a mono- 

 pel alous corol is divided into the tube and limb. Each petal of a 

 polypetalous corol is divided into the claw and lamina. 



PETAL-FORM. Resembling a petal in shape. 



PETIOLE, 15. PHAHEROGAMOUS, PUCESOGAMOVS, 9. 

 PILETJS. The hat of a fungus. 



PILOSE. Hairy. 



PINNATE, 18. PINKATIFIB, 16. PISTILLATE JI.OWEJI, 13. PISTIL, 9, 



PJTCBEB-FOIWC. See urceelate. 



