GLOSSARY. 345 



Gramineous : pertaining to grain or the Graminese. 



Gramdose : the most readily soluble constituent of a starch grain. 



Guard-cells : the two cells surrounding a stomate. 



Gpmms (as a prefix) : naked. 



Gymiwcarpous : with a disc-Uke, exposed hymenium, as in some 



Lichens, etc. 

 GovMiosperm, : a plant with naked seeds (not enclosed in an ovary). 

 Gymnoxpermous : having naked seeds. 

 Gynandrous : the stamens united with the pistil. • 

 Gyntxcmm : the pistil or pistils of a flower taken collectively. 



Sahit : the general appearance of the plant. 



Hahitai : the place where a plant grows. 



Hackle : same as heckle. 



Hairs : outgrowths from cells ; hair-like appendage^. 



Haivy : having hairs. 



Hastate ; with a spreading lobe on each side at the base. 



Haustoria : outgrowths from hyphsSj which penetrate the cells for 



the purpose of obtaining nourishment. 

 Heart-shaped : ovate with a sinus at base ; cordate. 

 Heart-wood : the mature wood of exogenous trees, generally more or 



less colored and destitute of sap. 

 Heckle : to draw through teeth or a comb in order to Separate the 



fibre. 

 Heliotropism : turning towards the sun or light. 

 Hepta (as a prefix) : seven. 



Herb : a plant in which no woody tissue developfe.- 

 Herbaceotis : like an herb ; of the texture of an herb. 

 Herbarium, Herbal : a collection of dried plants. 

 Hermaphrodite : having both stamens and pistils in the same flower, 

 Heteros (as a prefix) : diverse or various. 

 Hex (as a prefix) : six. 



HUum : the scar of the seed, or point of its attachment in the ovary. 

 Hirsute : having stifBsh or beard-like hairs. 

 Hispid : having stiff hairs ; bristly. 

 Histology: that department of botany which treats of minute 



anatomy or of tissues. 

 Hoary: grayish- white. 



Homologue : that which corresponds in structure. 

 Hiymohgoms : of similar or corresponding structure. 

 Hybrid r a cross-breed between two species. 

 Hymenial layer : the spore-bearing layer of hyphse in FnMgi. 

 Hymenium : same as hymenial layer. 

 Hyphce : the vegetative threads or filaments of Fungi. 

 Hypo (as a prefix) : under ; beneath ; lower. 

 Hypoderm: thick-walled or otherwise peculiar cells immediately 



below the epidermis. 

 H)pogyncma : inserted under the pistil. 

 Mypocotyledaifairy : under or below the cotyledons in the embryo, as 



hypocotyledonary stem. 



