80 



Plumula. The ascending scaly part of the corculum. 

 Pollen. An apparently fine powder contained in the anthera. 

 Pollex. The length of the first joint of the thumb, or a Pa- 

 risian inch. 

 Polyadelphia. The eighteenth Class in the Linnaean system. 

 Polyandria. The thirteenth Class in the Linnaean system. 

 Polycotyledones. Many cotyledons. 



Polygamia. The twenty-third Class in the Linnaean system. 

 Polygamia ?iecessaria. The fourth Order of the nineteenth Class 



in the Linnaean system. 

 Polygynia. An order of some of the Classes in the Linnaean system. 

 Polypetala corolla. A flower consisting of many petals. 

 Polyphillum involucrum. An involucrum of many leaves. 

 Polystachyus culmus. A stalk of grass having many spikes. 

 Pomaceae pomum. An apple. A natural Order of plants in 



the Fragmenta methodi naturalis of Linnaeus. 

 Pomum. An apple. 

 Pori. Pores. 

 Praemorsa radix. A bitten root, when it ends abruptly, as in 



Scabiosa succisa, Class iv. Order 1. 

 Precias. A natural order of plants in the Fragmenta methodi 



naturalis of Linnaeus. 

 Prismaticus calyx. A triangular calyx. 

 Procumbens caulis. A stem lying on the ground. 

 Prolifer /lores. Flowers growing through, or out of one another, 



either from the centre or side. 

 Prominulum dissipimentum. To project beyond the valves. 

 Pronum discumfolii. Leaves having their face downwards. 

 Propago. A shoot, the seed of mosses. 

 Proprium involucrum. An involucrum when at the base of an 



umbellated flower, as in the Butomus, Class ix. Order 3. 

 Pseudo. False. 



Pubes. Down or hair. One of the seven kinds of fulcra. 

 Pulposum folium. A leaf having a pulpy or fleshy substance. 



as Sempervivum tectorum, Class xi. Order 6. 



