GLOSSARY. 



Heterdgamous : bearing two or more sorts of flowers as to their stamens and 



pistils ; as in Aster, Daisy, and Coreopsis. 

 Heteromdrphous : of two or more shapes. 

 Hexagonal : six-angled. 



Hilum : the scar of the seed ; its place of attachment. 

 Hirsute : hairy with stiffish or beard-like hairs. 



Hispid: bristly : beset with stiff hairs. Hispidulous is a diminutive of it. 

 Hoary : grayish-white; see canescent, &c. 

 Homo'gamous : a head or cluster with flowers all of one kind, as in Eupa- 



torium. 



Homogeneous : uniform in nature ; all of one kind. 

 Hood : same as helmet or galea. Hooded : hood-shaped ; see cucullate. 

 Hooked: same as hamate. 



Horn : a spur or some similar appendage. Horny : of the texture of horn. 

 Humifuse: spread over the surface of the ground. 

 Hyaline : transparent, or partly so. 

 Hybrid: a cross-breed between two allied species. 

 Hypocrateriform : salver-shaped. 

 Hypogoean: produced under ground. 

 Hyptigynous: inserted under the pistil. 



Imbricate, Imbricated, Imbricative: overlapping one another, like tiles or 

 shingles on a roof, as the scales of the involucre of Zinnia, &c., or the 

 bud-scales of Horsechestnut and Hickory. In aestivation, where some 

 leaves of the calyx or corolla are overlapped on both sides by others. 



Immarginate : destitute of a rim or border. 



Immersed: growing wholly under water. 



Impari-pinnate : pinnate with a single leaflet at the apex. 



Imperfect /lowers : wanting either stamens or pistils. 



Inequilateral : unequal-sided, as the leaf of a Begonia. 



Incanous: hoary with white pubescence. 



Incised: cut rather deeply and irregularly. 



Included: enclosed; when the part in question does not project beyond 

 another. 



Incomplete Flower : wanting calyx or corolla. 



Incrassated: thickened. 



Incumbent: leaning or resting upon : the cotyledons are incumbent when the 

 back of one of them lies against the radicle ; the anthers are incum- 

 bent when turned or looking inwards. 



Incurved: gradually curving inwards. 



Indefinite: not uniform in number, or too numerous to mention (over 12). 



Indehiscent: not splitting open ; i. e. not dehiscent. 



Indigenous: native to the country. 



Induplicate: with the edges turned inwards. 



Indusium : the shield or covering of a fruit-dot of a Fern. 



Inferior: growing below some other organ. 



Inflated: turgid and bladdery. 



Inflexed : bent inwards. 



Inflorescence : the arrangement of flowers on the stem. 

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