GLOSSARY AND INDEX. 209 



Hyaline, transparent, or partly so. 



Hybrid, a cross-breed between two allied species, 176. 



Hydrophytes, water-plants. 



Hyemal, see hiemal. 



Hymenium of a Mushroom, 172. 



Hypanthium, a hollow flower-receptacle, such as that of Rose. 



Hypo-, Greek prefix for under, or underneath. 



Hypocotyle, or Hypocotyl, part of stem below the cotyledons, 11. 



Hypocrateriform, properly Hypocraterimorphous, salver-shaped. 



Hypogcean, or Hypogceous, produced under ground, 19. 



Hypogynous, inserted under the pistil, 95, 99. 



Hysteranthous, with the blossoms developed earlier than the leaves. 



Icosandrous, having 20 (or 12 or more) stamens inserted on the calyx. 



Imberbis, Latin for beardless. 



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



on a roof, as the bud-scales of Horse-chestnut and Hickory, 27. In aestivation, 



where some leaves of the calyx or corolla are overlapped on both sides by 



others, 98. 

 Jmmarginate, destitute of a rim or border. 

 Immersed, growing wholly under water. 

 Impari-pinnate, pinnate with a single leaflet at the apex, 57. 

 Imperfect flowers, wanting either stamens or pistils, 85. 

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

 Inane, empty, sJd of an anther which produces no pollen, &c. 

 Inappendiculate, not appendaged. 



Incanous, Incanescent, hoary with soft white pubescence. 

 Incarnate, flesh-colored. 

 Incised, cut rather deeply and irregularly, 58. 



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

 Incomplete Flower, wanting calyx or corolla, 86. 

 Incrassated, thickened. 



Incubous, with tip of one leaf lying flat over the base of the next above. 

 Incumbent, leaning or resting upon; the cotyledons are incumbent when the back of 



one of them lies against the radicle, 128; the anthers are incumbent when 



turned or looking inwards. 

 Incurved, gradually curving inwards. 



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

 Indefinite or Indeterminate Inflorescence, 72. 

 Indehiscent, not splitting open; i. e- not dehiscent, 119. 

 Indigenous, native to the country. 

 Individuals, 175. 



Indumentum, any hairy coating or pubescence. 

 Induplicate, with the edges turned inwards, 97. 

 Induviate, clothed with old and withered parts or induvia. 

 Indusium, the shield or covering of a fruit-dot of a Fern, 159. 

 Inermis, Latin for unarmed, not prickly. 

 Inferior, growing below some other organ, 96. 

 Infertile, not producing seed, or pollen, as the case may be. 

 Inflated, turgid and bladdery. 

 Inflexed, bent inwards. 



Inflorescence, the arrangement of flowers on the stem, 72. 

 Infra-axillary, situated beneath the axil. 

 Infundibuliform or Infundibular, funnel-shaped, 90. 



Innate (anther), attached by its base to the very apex of the filament, 101. 

 Innovation, a young shoot, or new growth. 



Insertion, the place or the mode of attachment of an organ to its support, 95, 99. 

 Integer, entire, not lobed. Integerrimus, quite entire, not serrate, 



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