SCIENTIFIC AND POPULAR. 347 



1869. SiSON, L. Honewort. Umbelliferae. 



Ancient Greek name. A slender herb. One species, (a) S. 

 Amomiiii] L., Europe to Asia Minor; Honewort, Bastard 

 Stone-parsley. Seeds aromatic, used as a condiment. 



1860. SISYMBRIUM, L. (Sysimbrium). Cruciferae. 



Ancient Greek name of an allied plant. , Syn. Erysimum, 

 Adans. ; Arabis, Braya, in part. Annual or perennial herbs. 

 About 50 species, widely distributed; 6 in^U. S. 



a. S. officinale (L. ) Scop. (E. oflBcinale L. ) . Europe and north- 

 ern Asia, nat. in U. S. Hedge Mustard, Bank Cress, Hedge- 

 weed, California Mustard (locally), Lucifer-matches, Scramb- 

 ling Rocket; Ger. Wilder Senf, Hederich; Fr. Erysimum, 

 V^lar, Tortelle, Herbe aux chantres (Codex); Sp. Eresimo. 

 Plant antiscorbutic, lithontriptic. Seeds pungent. 



1861. SISYRIKCHIUM, L. 1753. Blue-eyed Grass. Iridaceae. 

 Ancient Greek plant name. Syn Bermudiana, Adans. 1763. 



Perennial scapose herbs with grass-like leaves. About 70 

 species, New World; 10 in U. S. 



a. S, angustifolium Mill. (S. ancepsCav., S. mucronatumMichx. 

 B. graminifolia Medic. This with some other species has been 

 erroneously referred to S. Bermudiana L. ). British America, 

 south to Virginia, Kansas and Colorado. Common Blue-eyed 

 Grass, Pointed Blue-eyed Grass, Blue-grass*, Blue-eyed Lily, 

 Blue-eyed Mary, Grass- flower, Pig-root, Rush Lily, Star-eyed 

 Grass. Root acrid, cathartic. 



1862. SITILIAS, Raf. 1836. False Dandelion. CIchoriaceae, 



Name unexplained. Syn. Pyrrhopappus (Kew), DC. 1838; 

 Leontodon, Barkhausia, in part. Herbs with rather large 

 heads of yellow flowers. Six known species. North America; 



4 in U. S. 



1863. SiUM, L. Water Parsnip. Umbelliferae. 



The Greek name of a marsh plant, perhaps of Celtic 

 origin. Perennial marsh herbs. About 8 species, north tem- 

 perate zone and Africa; 3 in U. S. See Berula and Oxypolis. 



a. S. cicutaefolium Grael. (S. lineare Michx.,S. latifolium of 



American authors, not of Lin.). British America, south to 

 Florida, Louisiana and California. American W^ater Parsnip, 

 Wild Parsnip. The plant is said to have poisonous properties. 



b. S. latifolium* L. Europe. European W^ater Parsnip, Root, 



Radix sii palustris, R. pastinacee aquaticae; poisonous. 



c. S. Sisarum L. Japan, China and Siberia, also cult. Skirret 



(Skeryth, Skyryth, Skyrwort), Crummock; Ger. Zuckerwurzel; 

 Fr. Sucrerot, Root esculent. 



1864. SMEL6wSK1A, C. A. Meyer. Smelowskia. Cruciferae. 



White-woolly alpine perennials. About 6 species, northern 

 Asia and N. America; 3 in western U. S. 



