SCIENTIFIC AND POPULAR. 343 



a. S. semperyirens (Lamb.) Endl. (T. sempervirens Lamb., 



T. giganteum Kell. & Behr., C. sempervirens Salisb., S. gigan- 

 tea Endl,, G. taxifolia Sen. ). California and northward. 

 Redwood, Bastard Cedar, Oregon Red Cedar. The most 

 valuable timber tree of the West Coast. 



b. S. Wellingtonia (Winsl.) Seem. (Wash. Wellingtonia AVinsl., 



G. Wellingtoniana (Nelson) Sen., Wash. Califomica Winsl., 

 Wash. Americana Hort., W^ell. gigantea Lindl., S. gigantea 

 Lindl. & Gord. (Kew), not Endl.). California. Washing- 

 ton Cedar, California Big-tree, Mammoth tree. Giant tree of 

 California. The largest of trees. 



1833. SEREN6a, Hook. f. Saw Palmetto, etc. Sabalaceae. 

 Named for Prof. Sereno Watson of Harvard University. 



Syn. Serensea, Brahea; Chamserops, Sabal, in part. A dwarf 

 fan-palm. One species, southern U. S. 



a. S. serrulata (K.&S. ) Hook. f. (Sabal serrulatum R. & S., 

 B. serrulata H. W^endl. (Kew), C. serrulata Pursh). S. Caro- 

 lina to Florida and West Indies. Saw Palmetto. Fruit tonic, 

 alterative, expectorant, reputed aphrodisiac. 



1834. SERICOCARPUS, Nees.White-topped Aster. Compositae* 

 From Greek, "silky fruit". Syn. Conyza, Aster, in part. 



Perennial herbs with rather small flower-heads (rays white). 

 About 5 species, all in U. S. 



1835. SERINIA, Raf. 1817. Serinia. Cichoriaceae. 



From Gieek name of Chicory. Syn. Apogon, Ell. 1824, also 

 Krigia, in part. Small annuals with yellow flowers. Three 

 species, all in U. S. 



1836. SERJANIA, Plum. L. (Seriania). Sapindaceae. 



Named for Paul Serjeant, French botanist. Climbing shrubs. 

 About 155 species, S. America, chiefly tropical; Sin U. S. The 

 plants are narcotic poisons. In Brazil; (a) 8. lethdlis A. St. 

 Hil. is used as a fish pois( n under the name of Timboe. Honey 

 collected by wasps from the flowers is violently intoxicating. 



1887. SESAMUM, L. Sesame. Pedaliaceae. 



Latin from ancient Greek name, whence also the English 

 sesame. Herbs. About 10 species, nearly all of Africa. 



a. S. indicum L. Southern Asia, cult, in all tropical countries, 

 nat. in southern U. S. Benne, Sesame, Oily-grain, Oily Bean, 

 Oil plant, Gingili, Teel, Til; Ger. Sesam; Fr. Sesame; Sp. 

 Ajonjoli. imtrs demulcent, emollient. >Seec?s esculent; source 

 of Benne oil, Gingili or Teel oil; Oleum Sesami, U. S. P., 

 \ having properties of olive oil. 



AA ' 1838. SESBAN, Adans. 1763 (Sesbana). Papilionaceae. 



The ancient name, of Arabic or Persian origin. Syn. Ses- 

 bania. Scop. 1777; Agati, Adans 1763, in part. Herbs or 

 slirubs. About 15 species, warmer regions; 4 in U. S. 



a. S. macrocdrpa Muhl. Florida to Colorado and Central America. 

 Long-podded Sesban|, P^a-tree, Colorado Hemp. One of 

 several species which yield a strong fibre for cordage. 



