SCIENTIFIC AND POPULAR. 283 



1554. PEUCEDAMJM, L. Hog-Fennel, etc. Umb^liferae. 



The Greek name of an Umbelliferous plant. Syn. Atha- 

 manta, Ferula, Oreoselinum, Selinum, iSmyrninm, Thysselinum, 

 in part. Perennial herbs, nearly acaule>cent, from tuberous 

 roots. About 125 species; 55 in U. S. See Anethum, Impera- 

 toria and Selinum. 



a. P. ambigmira Nutt, Montana to Washington. Cowish, Tubers 



used for food by Indians. 



b. P. officinale L. Europe. Hog-fennel, Sow-fennel, Brimstone- 



wort, Sulphurwort, Sulphur-root, SuJphur-weed, Horestrang, 

 Horet^trong, Hairstrong, Spreusidanyj; Ger. Haaretrangkraut, 

 Schwefelwurz. -Rooi and ju/cc diuretic, antispasmodic, expec- 

 torant. 



c. P. Oreoselinnni (L.) Moench (A. Oreoselinum L.,0.1egitimum 



Bieb., O. nigrum Delarb.). Europe. Mountain Parsley, 

 Speedwell, Fluellin; Ger. Bergpelersilie. Seed and roo^ aroma- 

 tic, aperient, deobstruent. 



d. P. palustre (L.) Michx. (Sel. palustre L.,T.palustre Hoffm.). 



Europe. Marsh Pars-ley, Marsh Smallage, Swamp Sow-fennel 

 or Hng-fennel, Swamp Hairstrong; G<r. Sumpfsilge, Elsenich; 

 Fr. Selin des marais. Persil des marais-. Hoot, Pad, olsnitii, 

 pungent, acrid, formerly used in epilepsy. 



1555. PEUCEPHYLLUM, Gray. Peucephyllum. Compositae. 



From Greek, "Five-l*-aved" . Syn. Psaihyrotes, in part. 

 Balsamic shrub. One species, Arizona to California. 



PEUMUS, seeBOLDU. 



1556. PHACA, L, | Milk Vetch*. Papilioiiaceae. 



Ancieut Greek name of Lentil. Syn. Astragalus (Kew), in 

 part. Perennial herbs with inflated pods. Alaout 250 species, 

 north temperate zone; 3 in U. S. (Heller), (a) P. loiigi- 

 folia (Pursh) Nutt. (A. pictus var. tilifolius A. Gray) iscalled 

 Bird-egg Pea. 



1657. PHACELIA, Juss. Pbacelia. Hydrophyllaceae. 



From Greek, "fascicle", descriptive of inflorescence in some 

 species. Syn. Eutoca, in part. Mostly annual herbs. About 

 100 species, New World; 90 in U. S. 



1558. PHALACR^SERIS, Gray. Phalacroseris. Cichoriaceae. 



From Greek, "bahl-headed Endive", A caulescent perennial. 

 One species, California. 



1559. PHALARIS, L. Canary grass, etc. Oramlneae* 

 Greek name of a kind of grass, "shining" . Robust grasses. 



About 10 species; 5 in U. S. 



a. P. aniudlnacea L. Europe, Asia and N. America. Reed 

 Canary-grass, Daggers. Variety pieta, with variegated leaves,i& 

 called Ribbon-grass, Painted-grass, Ladies' -laces, Bride' s-laces, 

 London-lace. 



