22 6 EUCALYPTUS. 



Hoary : grayish- white; see canescent, etc. 



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



torium. 



Homogeneous: uniform in nature; all of one kind. 

 Homomallous (leaves, etc.): originating all round a stem, but all bent or 



curved round to one side. 

 Homomorphous : all of one shape. 

 Homotropous or Homotropal (embryo) : curved with the seed; curved 



one way. 



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. 

 Hortus Siccus : an herbarium, or collection of dried plants. 

 Humifuse : spread over the surface of the ground. 

 Hyaline : transparent, or partly so. 

 .Hybrid : a cross breed between two allied species. 

 Hypocrateriform : salver-shaped. 

 Hypogcean : produced under ground. 

 Hypogynous : inserted under the pistil. 



Icosandrous : having 12 or more stamens inserted on the calyx. 



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

 or shingles on a roof, as the scales of the involucre of Zinnia, etc., 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 a border. 



Immersed : growing wholly under water. 



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



Imperfect flowers : 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 in- 

 cumbent when turned or looking inwards. 



Jncurved : gradually curving inwards. 



Indefinite : not uniform in number, or too numerous to mention. 



In-dehiscent: not splitting open ; i. e. not dehiscent. 



Indigenous : native to the country. 



