GLOSSARY. 219 



IlomomdrpJious : all of one shape. 



Homotropous or Homdtropal (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; p. 201. 



Ilumifuse : spread over the surface of the ground. 



Hyaline, : transparent, or partly so. 



Hybrid: a cross-breed between two allied species. 



Hypocrateriform: salver-shaped; p. 101, fig. 202, 208. 



SypoycKta : produced under ground. 



Ilypdjynous: inserted under the pistil; p. 103, fig. 212. 



Jcosdndrous : 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, &c., or the bud-scales of 

 Horsechesnut (fig. 48) and Hickory (fig. 49). In aestivation, where some 

 leaves of the calyx or corolla are overlapped on both sides by others ; p. 109. 



Immarginate : destitute of a rim or border. 



Immersed: growing wholly under water. 



Impari-pinnate : pinnate with a single leaflet at the apex ; p. 65, fig. 126. 



Imperfect flowers: wanting either stamens or pistils; p. 89. 



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



Incanous: hoary with white pubescence. 



Incised: cut rather deeply and irregularly ; p. 62. 



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



Incomplete Flower : wanting calyx or corolla ; p. 90. 



Incrassatcd: thickened. 



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

 back of one of them lies against the radicle ; the anthers are incumbent 

 when turned or looking inwards, p. 113. 



Incurved: gradually curving inwards. 



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



Indefinite or Indeterminate Inflorescence: p. 77. 



Indeldscent : not splitting open ; i. e. not dehiscent ; p. 127. 



Indigenous: native to the country. 



Individuals: p. 173. 



Induplicate : with the edges turned inwards; p. 109. 



Indusium: the shield or covering of a fruit-dot of a Fern. (Manual, p 588.) 



Inferior: growing below some other organ; p. 104, 121. 



Inflated: turgid and bladdery. 



Inflexed: bent inwards. 



Inflorescence: the arrangement of flowers on the stem; p. 76. 



Infra-axillary : situated beneath the axil. 



liifundibulifonn or Infundibular: funnel-shaped; p. 102, fig. 199. 



Innate (anther) : attached by its base to the very apex of the filament; p. 113. 



Innovation : an incomplete young shoot, especially in Mosses. 



Inorganic Constituents, p. 160. 



