448 A TEXT-BOOK OF BOTANY. 



Hibiscus. Rose mallow. The ancient classical name. 



Hierochloe. Holy grass. From Gr. iepoc, sacred, -f- x^6rj t grass. Sweet- 

 scented grasses strewn before church doors on saints' days. 

 Hippocastanum. Horsechestnut. From Gr. "nrrro$, horse, + Kacravov 



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. vdup t water, + a-y-yelov, a vessel; from the shape 



of the capsule. 

 Hydrastis. Golden seal. Orange root. From Gr. Map, water, + fyfk', 



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



of the juice. 

 Hydropiper. Smartweed. Water pepper. Gr. vdup, water, -f- piper, 



pepper. 

 Hymenocallis. Spider lily. From Gr. v/uqv, membrane, -J- xd/l/lof, beauty ; 



alluding to the crown. 

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



vs f a hog, + Kvapact a bean ; said to be poisonous to swine, 

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



M, under, + cpeiicq, heather. 

 Icthyomethia. Jamaica dogwood. From Gr. i^yf, a fish, + ftefftf t strong 



drink, intoxicant. 

 Idseus. From Gr. '/cJaioc, 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, -f- 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 ipe-kaa-guena, 



properly a creeping plant that causes vomiting. 



Ipomoea. Morning glory. From Gr. ty, '^f, a worm, + bpotos, like ; allud- 

 ing to the twining stems. 



Iris. Fleur-de-lis. Blue flag. From Gr. fywj, the rainbow. 

 Islandicus-a-um. Belonging to Iceland. 



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

 leek or evergreen. 



