SCTKNTIFR- AND POPT'LAK. 289' 



a. p. excelsa (Swz. ) Planch. (Q. excelsa Swz., Q. polygama 

 Linds., Picra-na excelsa Lindl. (Kew), S. excelsa DC). 

 West Indies. Quassia, Bitter Ash, Bitterwood tree, Lofty 

 Quassia§ . Wood, Quassia wood, Jamaica Bitterwood ; Quassia, 

 U. S. P., Quassia; lignum, Br., Lignum muscarum v. muscici- 

 dum; Ger. Jamaika-Quassia; Jamaikanische Quassienholz, 

 Fliegenholz; Fr. Quassie de la Jaraaique; Bitter tonic, insecti- 

 cide, (b) P. qiiassioides (Ham.) Benn. of northern India 

 has the same properties. 



PICRAMXU, see TARIRI. 



1591. PICRIS, L. Picris, Oxtongue. Compositae. 



From Greek, ''bitter". Syn. Helmintha, in part. Herbs 

 with rather large heads of yellow flowers. About 35 species, 

 Old World; 4 nat. in U. S. (a) P. echioides L., Europe, 

 adv. in U. S., is called Bristly Oxtongue, Bugloss^, Bugloss 

 Picris; (b) P. hieracioides L., Europe, nat. in U. S., is 

 Hawkweed Picris, LangdebeefJ; Ger. Bitterkraut; Fr. Picride, 

 Langue de boeuf. Plant very bitter. 



1592. PIERIS, D. Don. Fetter-bush, etc. Ericac«a«. 

 Dedicated to the Muse, Pieris. Syn. Andromeda, Portuna, 



in part. Shrubs or small trees. About 12 species, northern 

 hemisphere; 4 in U. S. 



a. P. Mariana (L.) Benth. & Hook. (A. Mariana L. ). Rhode 

 Island to Florida. Stagger- bush, Wicke, Sorrel tree*. Plant 

 poisonous to animals, (b) P. nitida (Bartr. ) B. & H. (A. 

 nitida Bartr. ) of southeastern U. S. and Cuba is called Fetter- 

 bush and Pipe-stem. 



1593. PILOCARPUS, Vahl. Jaborandi. Riitaceae. 

 From Greek, "cap fruit". Shrubs with pellucid-dotted 



leaves. About 12 species, warmer regions of New World. 



a. P. Jaborandi Holmes. Brazil. Jaborandi, Pernambuco 

 Jaborandi. Leaflet^: Pilocarpus, U. S. P., Jaborandi Folia, 

 Br., Folia Jaborandi P. G., Jaborandi (Codex). [U. S. P. 

 recognises also (b), Codex, (b) ''and allied species"]. Sialago- 

 gue, mydriatic; more rich than the other species in pilocarpine. 

 Other species also gathered as jaborandi are (b) P. pennatl- 

 foliusLam., (P. SelloanusEng.), Rio Janeiro Jaborandi; (c) 

 P. microphyllus Stapf. ; (d) P. spicatiis St. Hil.; (e) P. 

 tracliyloplius Holmes, commercial jaborandi being a mixture 

 of two or more of these. Leaves of the worthless Swdrtzia 

 decipiens Holmes are said to be now often substituted for (c). 



1594. PIMESTA, Lindl. Allspice, Bay tree, etc. Myrtaceae* 

 From the Spanish name. Syn. Pimentus; Amomis, Eugenia^ 



Myrcia, Myrtus, in part. Aromatic trees. About 5 species, 

 tropical America. 



a. P. dcris (Swz.) Wight (Myrtus acris Swz., Myrcia acris, 

 DC, E. acris W. & Am., P. citrifolia Kostel., A. acris, Berg. ). 

 West Indies and Venezuela. Wild Clove, Bayberry, Jamaica 

 Bayberry, Black or Wild Cinnamon. Leaves, source of oil Of 



