312 PLANT XAMES AND SYNONYMS 



1695. PUYA, Mol. (Puja). Puya. Bromeliaceae. 



From vernacular (Chili). Syn. Pourretia, K. & Pav. 



Shrubby or arborescent plants. About 5 species, Chili and 

 Peru. 



a. P. lanugluosa Schult. (Pourretia lanuginosa 11. &P. ). Chili. 



Source of Chagual gum. , 



1696. PYROLA, L. VVintergreen, Shin-leaf, etc. Pyrolaceae. 



Laiin horn pyrus (Pear), from similarity of leaves. Peren- 

 nial scapose herbs. About 15 species, northern hemisphere; 11 



in U. S. 



;i. P. elliptiea Nutt. British America, south to Maryland, Illinois 

 and New Mexico. Shin-leaf, Wild Lily of-the-valley. (b) P. 

 chlorjintha Swz. and (c) P. minor L. are also called Shin- 

 leaf. 



d. P. rotiiudifolia L. Europe, Asia and northern N. America, 

 south to Georgia, west to Minnesota. Kound-leaved VV^inter- 

 green. False VVintergreen, Lartjer Wintergreen, Pear leaved 

 Wintergreen, Canker Lettuce, Wild* or Indian Lettuce, Con- 

 sumption-weed, Copper-leaf, Dollar-leaf, Liverwort Lettuce; 

 Ger. Waldmangold; Fr. Pyrole. Leaves astringent, diuretic. 

 The other species have similar properties. 



1697. PYROCOMA, Hook. Pyrocoma. Compositae. 



Syn. Aplopappus ( Kew), in part. Rigid perennial herbs; 

 26 species in U. S. , PaciKc border. 



1698. PYRULARIA, Michx. Buffalo-nut, etc. Santalaceae. 



Latin, "pear like'. Syn. Hamiltonia, in part. Shrubs or 

 small trees. Two species, one in Asia, one in U. S. 



a, P. piibera Michx, (P. oleifera A. Gray, H. oleifera Muhl. ). 

 Pennsylvania to Georgia. Oil-nut, Buffalo-nut, Elk-nut. 

 Seeds rich in oil. 



1699. PYRllS, L. (Pirus). - Pear. . Poinaceae. 

 Latin name of the Pear. Trees or shrubs. About 12 spe- 

 cies, Old World. See Cydonia, Mains, Mespilus and Sorbus. 



a. P, communis L. Europe and central Asia, and widely cult. 

 Pear. In the wild state called Choke Pear; Ger. Bimbaura; Fr. 

 Poirier. • Fruit esculent. 



1700. PYXIDANTHERA, Michx. Pyxie, etc. Diapensiaeeae. 



From Greek, "box anther''. Syn. Diapensia, in part. 

 Dwarf evergreen shrub. One species; (a) P. barbulata 

 Michx. (D. barbulata Ell.). New Jersey to N. Carolina. 

 Flowering Moss, Pyxie, Pyxie Moss, Pine- barren Beauty. 



1701. QUAMASIA, Raf. 1818. (Quamassia). Liliaceae. 

 From vernacular Indian name. Syn. Camassia (Kew), 



Lindl. 1832; Lemotrys, Scilla, in part. Scapose herbs from 

 membranous-coated bulbs. About 5 species, all of U. S. 



