428 



GLOSSARY. 



Pomology. A treatise on or the subject 



of fruits considered as esculent. 

 Porose (-osus), Porous. Pierced with 



small holes or pores. 

 Posterior. In an axillary flower is the 



side next the axis of inflorescence; 



160. 

 Posticous (-us). On the posterior side, 



which in a flower is that next the axis 



of inflorescence : an adnate anther is 



posticous when on the outer side of 



the filament, i. e. when it faces the 



petals; 253. 

 Pouch. See Silicle. 



Prcecox. Appearing or developing early. 

 Prcefloration. Same as ^Estivation ; 132. 

 Prcefoliation. Same as Vernation ; 132. 

 Prcemorse (-orsus). With end as it were 



bitten off. 



Prasinus. Grass green. 

 Pratensis. Growing in meadows. 

 Prickly. Armed with Prickles (56), 



which are outgrowths of the bark or 



rind. 



Primine. Outer coat of the ovule ; 277. 

 Primordial (-ialis). The first in order 



of appearance. Primordial leaves are 



those of the plumule. 

 Prismatic (-icus). Prism-shaped, with 



flat faces separated by angles. 

 Procerus. Very tall. 

 Process (Processus). Any projecting 



appendage. 

 Procumbent (-ens). Lying along the 



ground ; 53. 

 Productus. Produced, i. e. extended or 



prolonged into. 

 Pro-embryo, 284. 

 Proles. Progeny ; sometimes used for 



race; 320. 



Proliferous (Prolifer, Proliferus). Bear- 

 ing progeny, in the way of offshoots. 

 Proliferation or 

 Prolification is usually taken as the 



production by one organ of something 



different, such as the development of 



buds and plantlets on leaves, of leafy 



shoots in place of flowers, &c. ; 73. 

 Proligerous (-us). Same as Proliferous. 

 Prone (Pronus). Lying flat, especially 



face downward. 

 Propdculum, Propdgulum. Name of a 



shoot, such as a runner or sucker which 



may serve for propagation. 

 Propdffines. Same as Bulblets. 

 Prophylla. Primary leaves, as the first 



leares of a branch or axis. 

 Prosenchyma. Plant-tissue consisting of 



lengthened, tubular, or fusiform cells. 



Prostrate (-atus). Lying quite flat on 



the ground ; 53. 



Protos. Greek for first; used in various 

 compounds, such as 



Protandrous, Protandry. See Proter- 



androus. 



Proterdndrous, also Protandrous, Pro- 

 terandry. When the anthers of a 

 flower are in anthesis earlier than the 

 stigma; 219, 220. 



Proteranthous (-us). Where flowering 

 precedes leafing. 



Proterogynous, Proterdgyny, or Pro- 

 toyynous, Protogyny. When the 

 stigma is ready for its functions ear- 

 lier than the anthers of the same 

 blossom; 219. 



Protophytes, Protophyta. Alga, &c., 

 the supposed first plants. 



Protoplasm, Protopldsma. The forma- 

 tive organic material of plants and 

 animals, in its living state. 



Pruinate (-atus), Pruinose (-osus). As if 

 frosted over with a bloom or powder. 



Pseudos. Greek for false, a prefix in . 

 various compounds, as Pseudo-mono- 

 cotyledonous ; 26. 



Pseudo-bulb. A thickened and bulb- 

 like internode in epiphytal orchids ; a 

 corm. 



Pseudocarp (-arpium). The principal 

 or accessory part of an anthocarpous 

 fruit; 300. 



Pseudo-costate. False-ribbed, as where 

 a marginal or intramarginal vein or 

 rib is formed by the confluence of the 

 true veins. 



Pseudospermium. Name given to any 

 kind of one-seeded fruit which is inde- 

 hiscent and resembles a seed, such as 

 an akene, &c. 



Psilos. Greek for naked or bare; as in 

 Psilostachyus, with naked spike. 



Pteridium, Pterodium. Names for the 

 Key-fruit or Samara. 



Pteris. Used for wing in Greek com- 

 pounds, also for a Fern. 



Pteridographia. The botany of Ferns. 



Pter acarpous (-us). Wing-fruited. 



Pteropodus. Wing-footed, i. e. petiole 

 wing-margined, &c. 



Ptyxls. Greek name for folding, as of 

 leaves in a bud : 132, 133. 



Pubens, Pubes. Used for Pubescent. 



Pubrrulus. Minutely pubescent. 



Pubes. Pubescence, hairiness. 



Pubescent (-ens). Clothed or furnished 

 with hairs or down, especially with soft 

 or downy and short hairs. 



