382 



HENDERSON'S HANDBOOK OF PLANTS. 



ORC 



which will often be sufficient to save 

 them from late spring frosts. It is 

 claimed that Peach Trees so protected 

 never fail to produce annually a crop of 

 fruit A pair of these machines cost 

 from $25 to $50; and it is claimed that 

 two men can bale and thatch fifty trees 

 per day. The time for the operation is 

 after the leaves have fallen in autumn, or 

 any time except when the limbs are fro- 

 zen. Of course, it is equally applicable 

 to ornamental trees, and for such trees 

 as the Magnolia grandiftora, which is 

 rarely seen in good condition south of 

 Richmond, it would be particularly valu- 

 able. 



PAK 



Organ. A general name for any defined 

 subordinate part of the vegetable struc- 

 ture, external or internal; as cell, fiber, 

 leaf, root, etc. 



Orifice. An opening. 



Osseous. Bony, hard, brittle, and very close 

 in texture, as the stone of a Peach. 



Ovary. That part of the pistil which con- 

 tains the ovules or seeds. 



vote. Egg-shaped. 



Ovule. The young seeds of plants con- 

 tained in the ovarium. 



Oxycanthus. Furnished with many sharp 

 thorns or prickles. 



Oxycarpus. Where the fruit is sharp- 

 pointed. 



\ 



P. 



/ Ja/ote. The prominent parts of the j 

 base of the lower lip which closes j 

 the mouth of a ringent flower. 



Pofea.^The leaf-like parts of the flower of ; 

 Grasses, inclosing the stamens, pistils, 

 and hypogynous scales. 



Palmacece. See Palms in the body of this 

 work. 



Palmate. Having five lobes, the midribs of i 

 which meet in a common point, so that 

 the whole bears some resemblance to the 

 human hand. 



Panduriform. Having the figure of a fid- 

 dle. 



Panicle. A compound raceme. 



Papilionaceous. Having such a corolla as 

 that of the Pea; butterfly-shaped flowers. 



Papillose. Producing small glandular ex- 

 crescences like nipples. 



Pappus. The calyx of Composites, varying 

 from a ring of membraneous scales to i 



bristles or hairs. It is very frequently of 

 a downy texture, as in Thistles. 



Papulose. Producing small glands like 

 pimples. 



Parasite. A plant which obtains its nour- 

 ishment directly from the juices of some 

 other plant to which it is attached. 



Parenchyma. Cellular tissue which has a 

 spheroidal, not tubular form; all the 

 parts of plants which consist of cellular 

 tissue only. 



Parlor Gardening. In parlor gardening, or 

 the keeping of plants in private rooms, 

 one of the most essential things, for satis- 

 faction to the owner, is to start with 

 young, healthy plants, rather than old 

 and matured specimens. One of the 

 most common errors in keeping plants 

 in rooms is that of keeping the tempera- 

 ture too high. Very few plants suitable 

 for. the -parlor guow well in a temperature 



