448 A TEXT-BOOK OF BOTANY. 



Hibiscus. Rose mallow. The ancient clac^ical name. 



Hierochloe. Holy grass. From Gr. lepog, sacred, + ;r^o;/, grass. Sweet- 

 scented grasses strewn before church doors on saints' days. 

 Hippocastanum. Horsechestnut. From Gr. iTriroc, horse, + Kdarnvov^ 



chestnut. 

 Hirsutus-a-um. Hirsute, rough, hairy. 

 Hispidus-a-um. Rough, shaggy, bristly. 

 Hordeum. Barley. The ancient Latin name. 



Houstonia. Bluets. Named for Dr. William Houston, an English botanist* 

 Humulus. Hop. Name of uncertain origin. Perhaps from Lat. humus, 



ground, alluding to the fact that the plant creeps on the ground unless 



supported. 

 Hydrangea. From Gr. v6oip^ water, + ayyelov, a vessel ; from the shape 



of the capsule. 

 Hydrastis. Golden seal. Orange root. From Gr. vfiup^ water, + i^pao^^ 



to act. accomplish. Probably with reference to the active properties 



of the juice. 

 Hydropiper. Smartweed. Water pepper. Gr. v6cop^ water, -f pipcr, 



pepper. 

 Hymenocallis. Spider lily. From Gr. vnijv^ membrane, -\- kqaao^^ beauty ; 



alluding to the crown. 

 Hyoscyamus. Henbane. The ancient Greek and Latin name. From Gr. 



vf J a hog. -f- Kvafio^, a bean ; said to be poisonous to swine. 

 Hypericum. St. John's-wort. The ancient Greek name. Probably from 



{■TO, under, -j- kpeiKTj^ heather. 

 Icthyomethia. Jamaica dogwood. From Gr. /;i;^i'c, a fish, + //Z^;;, strong 



drink, intoxicant. 

 Idaeus. From Gr. ^Idaloq, pertaining to Mt. Ida, near Troy, where the 



raspberry once flourished. 

 Ilex. Holly. The ancient Latin name for the holm oak or holly oak. 

 Illicium. Star anise. A Latin word meaning an allurement; alluding 



to the odor and attractive appearance. 

 Impatiens. Touch-me-not. A Latin word meaning " that cannot bear or 



suffer," from in, not, + patiens, enduring ; from the sudden bursting 



of the pods when touched. 

 Indicus-a-um. Pertaining to India. 

 Inflatus-a-um. Inflated, swollen, puffed up. 

 Inula. Elecampane. The ancient Latin name. 

 Ipecacuanha. Ipecac. Portuguese name from Brazilian ipc-kaa-guena; 



properly a creeping plant that causes vomiting, 

 Ipomoea. Morning glory. From Gr. Ii/', Ittoc, a worm, + bfioiog, like ; allud- 

 ing to the twining stems. 

 Iris. Fleur-de-lis. Blue flag. From Gr. Ipi^^ the rainbow. 

 Islandicus-a-um. Belonging to Iceland. 



Isoetes. Quillwort. Ancient name used by Pliny, probably for a house- 

 leek or evergreen. 



