SCIENTIFIC AND POPULAR. 195 



1028. HUMULUS, L. - Hop. Moraceae. 

 The Latin name, probably of Teutonic origin. Twining 



perennitils. Two species, north temperate zone; 1 in U. S. 



a. H. Liipulus L. Europe, Asia and N. America, south to 

 Georgia and Arizona, also widely cult. Hop vine, Bine, Bur, 

 Seeder, anciently known as Lupus salictarius ( Pliny ) . Among 

 the varieties are ''White Bine", "Golding" and "Grape". 

 Strobiles, Hops; Humulus, U. S. P., Lupuliis, Br., Strobili 

 humuli V. lupuli, Coni lupuli; Ger. Hopfen, Hopfenzapfen, 

 Hopfenkatzchen; Fr. Cone de houblon (Codex). Glandular 

 powder from strobiles, Lupulin, Lupulite; Lupulinum. U. S. P. 

 Br., Glandula; lupuli, Lupulina; Ger. Hopfenmehl; Fr. Lupu- 

 line (Codex). Bitter, tonic, sedative. 



1029. HURA, L. Sand-box tree. Euphorbiaceae. 



From the vernacularname, S. America. Trees. Two species, 

 tropical America. 



a. H. crepitans L. (H. Brasiliensis Willd). West Indies and trop- 

 ical America. Sand-box tree. In S. America called Ajuapar 

 or Acupa, in Brazil, Assacu or L^ssacu, in Panama, Javilla. 

 Fruit when ripe bursts with a loud report, scattering the seeds, 

 hence called the Devil's Sand-box and the Monkey's Dinner- 

 bell. Seeds, known in Mexico as Habilla (Pepita) de San 

 Ignacio, drastic cathartic. The acrid bark (casca de assacu) is 

 used medicinally. 



1030. HUTCHINSIA, R. Br. 1812. Hutchinsia. Cruciferae. 



Named for Miss Hutchins, botanist of Bantry, Ireland. Syn. 

 Hymenolobus, Nutt. 1838; Lepidium, Capsella, in part. 

 Low herbs. About 8 species, northern hemisphere; 1 in \J. S. 



1031. HYDRANGEA, L. Hydrangea. Saxifragaceae. 



From Greek, a "water vessel", alluding to shape of capsule. 

 Shrubs or small trees with flowers in corymbs. About 35 spe- 

 cies, New World and eastern Asia; 5 in U.S. 



a. H. arborescens L. (H. vulgaris Michx.). New York and 



eastern U. S. Hydrangea (Hydrangia), Wild Hydrangea, 

 Seven-bark, Bissum. Bout diuretic, lithontriptic. 



b. H. Thunbergi Siebold. Japan. Leai^s used for tea, called 



"Tea of Heaven". 



1032. HYDRASTIS, Ellis 1759. Golden-seal. Ranunciilaceae. 



From Greek, "water compelling", i. e. hydragogue. Syn. 

 Warnera, Mill. 1768. Perennial herbs from a thickened yel- 

 low rootstock. Two known species, one of Japan; 1 in U. S. 



a. H, Canadensis L. (W. Canadensis Miller). Ontario to Georgia, 

 west to Missouri and Minnesota. Golden-seal, Orange-root, 

 Yellow-root, Y"ellow Puccoon, Yellow Indian-paint, Turmeric- 

 root, Ohio Curcuma, Indian Turmeric, Ground Kaspberry, Eye- 

 root, Eye-balm, Yellow-eye, Jaundice-root, Indian dye; Ger. 

 Kanadisches Gelbwurz, Kanadisches Wasserkraut, Gelbes 

 Blutkraut; Fr. Racine orange, Sceau d'or; Sp. Raiz amarilla, 



