SCIENTIFIC AND POPULAR. 341 



circumpolar region, Rosewort, Rose-root, Snowdon Rose, 

 Heal-all*; (i) S. rupestre L., Europe, Jealousy, (j) S, 

 Sieboldii Auct., Japan, Constancy; (k) S. ternatum 

 Michx, New York to Georgia, Wild Stonecrop, Three-leaved 

 Stonecrop^, Iceland Moss*. 



1825. SELAGINELLA, Beauv. Selaginella. Selaginellaceae. 



Diminutive of Selago, an ancient name of a Ground-pine. 

 Plants resembling Lycopodiura, generally small. About 335 

 species, widely distributed; 9 in U. S. 



a. S. lepidophylla Spring, Arizona to southern California. Re- 



surrection-plant, Rock-lily, Rock-rose, Hollyhock-rose. Plant 

 when dry curls up and remains dormant indefinitely, reviving 

 again when water is supplied. 



b. S. nipestris (L.) Spring. Throughout northern hemisphere 



and in Africa. Rock Selaginella, Christmas Evergreen*, Fes- 

 toon Pine; Dwarf Club- moss. 



c. S. selaginoides (L. ) Link. (Lycopodium selaginoides L., S. 



spinosa Beauv. ). Europe, Asia and N. America, south to 

 Michigan and Colorado. Low Selaginella, Prickly Club-moss, 

 Mountain Moss. 



1826. SELENIA, Nutt. Selenia. Crueiferae. 



Prom Greek, "Moon wort", the species resembling Lunaria. 

 Tufted herbs. Two or three species, northern Mexico and 

 southern U. S. 



1827. SELINOCARPUS, Gray. Selinocarpus. Nyctaginaceae. 



From Greek, "parsley fruited". Herbs. Three species, 

 Mexican border. 



1828. SELINUM, L. Selinum. Umbelliferae. 

 The Greek name of Parsley, whence our word celery. Tall 



perennial herbs. About 25 species, mostly of northern hemi- 

 sphere; 8 in western LT. S. See Peucedanum. 



1829. SEMECARPUS, L. fils. Cashew-nut. Anacardiaceae. 



From Greek, "marking fruit". Syn. Anacardium, in part. 

 Trees with coriaceous leaves. About 40 species. East Indies. 

 See Anacardium. 



11. S. Anacardium L. fils. (A. ofiicinarum Gaertn., A. orientale 

 Auct., A. lalifolium Lam., A. solitarium Stokes). India. 

 Oriental Cashew-nut (Cachew), Malacca nut, Marany-nut, 

 Marking-nut, Marsh-nut, Malacca Bean, Acajou-nut, Mangle; 

 Ger. Elephantenlaiise. Nuts edible, but the husk is acrid and 

 almost caustic. Juice produces an indelible stain. 



1830. SEMPER ViVUM, L. House-leek. Crassulaceae. 



From Latin, "ever living". Fleshy perennial herbs. Aboat 

 10 species. Old World. 



a. S. tectorum L. Europe, cult, and adv. in U. S. House-leek, 

 Homewort, Bullock *s-eye, Fon, Fone (Scotland), Healing- 

 blade, Hen-and-chickens, Hockerie-topner, Imbreke, Jupiter's- 



