XXVI 



GLOSSARY OF BOTANICAL TERMS. 



Orbicular^ circular. 



Oiai, longer than broad, the sides 

 curving from end to end, and the 

 ends of equal breadth and curva- 

 ture. 



Ovarij, no. 



Ovate, flat, w^ith the outline of the 

 longitudinal section of an egg, the 

 lower end being the largest. 



Ovoid, having the outline of an en- 

 tire egg. 



Ovule, 122. 



Palate, a large obtuse projection 

 which closes the throat of a per- 

 sonate flower. 



Patea, a term applied to the parts of 

 the corolla in Grasses, 



Paleaceous, chaffy. 



Palmate, hand-shaped, deeply di- 

 vided into spreading and some- 

 what equal segments, 



Panditriform, contracted in the mid- 

 dle like a vioUn. 



Panicle, 68. 



Panicled or 'paniculate, arranged in 

 the form of a panicle. 



Papilionac-cous, 81. 



Papillose, producing small glandular 

 excrescences like nipples. 



Pappus, the crown of the fruit of 

 Compositse and similar plants. 



Parasitic, growing on another plant 

 and drawing nourishment from it ; 

 as the Misseltoe. 



Parietal, 117. 



Parted, deeply divided almost to the 

 base, more than cleft. 



Partial, a term applied to small or 

 constituent parts in distinction 

 from general. 



Partition the dividing wall or dis- 

 sepiifiiot in seed vessels. 



Pectinate, like the teeth of a comb, 

 intermediate between fimbriate and 

 pinnatifid. 



Pedate leaf, like a bird's-foot ; di- 

 vided nearly to the petiole in nar- 

 row segments, with the lateral 

 on^s diverging. 



Pedicel, 51. 



Pedicillate or pedicelled, having, or 

 being supported on, a pedicel. 



Peduncle, 56. 



Peduncled or pedunculate, having a 

 peduncle. 



Pellicle^ a very thin stratum or coat. 



Pellucid, transparent, pervious to 

 light. 



Pellucid-punctate, having punctures 

 admitting the passage of light. 



Peltate, having the stalk attached to 

 some part of the surface or disk, 

 and not to the margin. 



Pencilled or penicillate, ending like a 

 painter's pencil or brush. 



Pendulous, hanging down. 



Pentagonal, having five corners or 

 angles. 



Pepo, 159. 



Perennial, 30, c. 



Perfect jlower, 91, 



Perfoliate, surrounding the stem on 

 all sides and perforated by it ; it 

 differs from connate, in not con- 

 sisting of two leaves : as in Eupa- 

 toritim perfoliatum. 



Perianth, periantJiium or perigoni- 

 um, 74. 



Pericarp, 133. 



Perigyniurii, the sac formed by the 

 union of two bractlets, which en- 

 closes the ovary ; as in certain 

 Cyperacecc. 



Perigynous, 94. 



Permanent, see Persistent. 



Persistent, not faUing off"; those parts 

 of a flower are persistent which re- 

 main till the fruit is ripe. 



Personate, masked, having the mouth 

 of the corolla closed by a prominent 

 palate. 



Petal, 77. ^^ 



Petaloid, like a petal. '^Hl 



Petiole, 40. ^KT' 



Pelioled or petiolate, with a petiole, 

 not sessile, 



Phanogamous, applied to all plants 

 which have visible flowers con- 

 taining stamens and pistils. 



Pilose, hairy, with a stiff pubescence. 



PinncB, the leafets or divisions of a 

 pinnate leaf 



Pinnate, a leaf is pinnate when the 

 leafets are arranged in two rows 

 on the side of a common petiole, 



Pinnatifid, cut in a pinnate manner ; 

 it differs from pinnate in consist- 

 ing of a simple or continuous leaf, 

 not compound. 



Pinnules, the leafets or subdivisions 

 of a bi- tri- or multi-pinnate leaf 



Pisiform, formed like peas. 



Pistil, 108. 



