278 PLANT NAMES AND'^YNONYMS 



a. P, sativa L. (Peucedanum sativum S. Benth. ). Europe and 

 Asia, everywhere cult., nat. in U. S. Parsnep (Parsnip, Par- 

 genep, Pastnip, Pasnet); The wild plant is known as Mad-nep, 

 Mypes, Tank, Hart's-eye, Queen-weed. Root esculent. Seeds 

 diuretic. 



1617. PATRINIA, Juss. Patrinia. Yalerianaceae. 



Karaed for M. Patrini, French botanist. Herbs with 

 corymbed yellow flowers. About 8 species, Asia. (a) P. 

 scabiosaefolia Link. Japan. Kesso. Moot antispasmodic. 



1618. PAULLINIA, L. Guarana, etc. Sapiiidaceae. 



Named for C. F. PauUini, German botanist, d. 1712. Shrub- 

 by twining plants. About 125 species, mostly of tropical Amer- 

 ica, one African. 



a. P. Cupdna Kunth (P. sorbilis 'Mart. ). Brazil. Crushed seeds 

 moulded into cylindrical masses and dried constitute Guarana, 

 U. S. P., Brazilian Cocoa; Pasta guarana, Pasta seminura 

 paullinise; very rich in caflfeine, used as a beverage and as a 

 nerve stimulant. 



1619. PAUL6wNIA, Sieb. & Zucc. !! Scrophiilariaceae* 

 Named for Anna Paulowna, daughter of the Czar, Paul I. 



Syo. Bignoniaf, in part. Alarge tree resembling Catal pa. One 

 species, Japan, nat. in southeastern U. S. Paulownia. 



1620. PAV6mA, Cav. Pavonia. Malvaceae. 

 Named for Don Josef Pavon, botanical traveler in Peru. 



Herbs or small shrubs. About 70 species, wanner regions of 

 America, a few in Asia; 4 in U. S. 



1621. PECTIS, L. - Pectis. - Compositae. 



From Latin pecten^ *'comb", alluding to the pappus. Sirong- 

 scented herbs with small flower heads (yellow). About 50 spe- 

 cies, warmer regions of New World, 12 in U. S. 



1622. PECTOCARYA, DC. 1840. Pectocarya. Bora^iiiaceae. 



From Greek, ''comb nut". Syn. Ktenospermum, Lehra. 1837. 

 Low annuals with minute white flowers. About 6 species, New 

 World; 4 in U. S. 



1623. PEDICULARIS, L. Lousewort. Scrophiilariaceae» 



Latin, "lousewort", the plants formerly believed to breed 

 lice in sheep. Herbs. About 125 species, mostly of northern 

 hemisphere; 33 in U. S. ; Ger. Lausekraut, Fr. Pediculaire. 



a. P. Canadt^iisis L. Canada to Florida, west to Colorado and 



south into Mexico. Wood Betony, Lousewort, High Heal-all, 

 Beefsteak plant. Head Betony, Snaffles, Lousewort Foxglove 



b. P. paliistris L. Europe, Asia and northern N. America. Red- 



rattle, Cow's-wort, Marsh Lousewort. Similar to this species, 

 but with smaller flowers, is (c) P. parviflora J. E. Smith of 

 Oregon and British America. 



1624. PEDILANTHUS, Neck. Slipper Plant. Euphorbiaceae. 



From Greek, "sandal flower". Shrubs. About 15 species^ 

 tropical America. 



