GLOSSARY 



243 



Hispidulous. Diminutive of hispid. 

 Hoary. Grayish white. 

 Homogamous. A head or cluster with 



flowers all of one kind. 

 Hooded = Hood-shaped = Cucullate. 

 Hyaline. Transparent or nearly so. 

 Hypogynous. Inserted under the 



pistil. 



Imbricate. Overlapping like shingles 

 on a roof. 



Immersed. Wholly under water. 



Imperfect (flowers). Wanting either 

 stamens or pistils. 



Incised. Cut rather deeply and irreg- 

 ularly. 



Indehiscent. Not splitti-ng open. 



Indurated. Hardened. 



Inferior (ovary). Calyx grown fast to 

 the ovary and thus apparently on it. 



Inflated. Turgid and bladdery. 



Inflexed. Bent inward. 



Inflorescence. The arrangement of 

 flowers on the stem; the flower 

 cluster as a whole. 



Infra-stipular. Below the stipules at 

 base of petiole. 



Insertion. The place or the mode of 

 attachment of an organ to its sup- 

 port. 



Internode. The part of a stem be- 

 tween two nodes. 



Interruptedly pinnate. Pinnate with 

 small leaflets intermixed with larger 

 ones. 



Introrse. Turned or facing inward or 

 toward the axis of the flower. 



Involucel. An involucre of the second 

 order. 



Involucrate. With an involucre. 



Involucre. A whorl or set of bracts 

 around a flower or umbel or head. 



Involute. Rolled inward from the 

 edges. 



Jointed. Composed of joints, or having 

 joints in it. 



Keel. A projecting ridge on a surface, 



like the keel of a boat; the two an- 

 terior petals in the Bean Family. 



Labiate = Bilabiate. 



Laciniate. Slashed ; cut into deep 

 narrow lobes. 



Lanceolate. Lance-shaped. 



Lax. The opposite of crowded. 



Leaflet. One of the divisions or 

 blades of a compound leaf. 



Lemma. The lower of the two bracts 

 inclosing the flower in the grasses. 



Lenticular. Lens-shaped, both sides 

 convex. 



Ligulate. Furnished with a ligule. 



Ligule. The strap-shaped corolla in 

 many Compositaceae ; the little 

 membranous appendage at the sum- 

 mit of the leaf sheaths of most 

 grasses. 



Limb. The blade of a leaf, petal, etc. 



Linear. Narrow and flat, the margins 

 parallel. 



Lip. The principal lobes of a 2-lipped 

 corolla or calyx; the odd and pe- 

 culiar petal in the Orchidaceae. 



Lobe. Any projection or division 

 (especially a rounded one) of a leaf, 

 etc., especially when not extending 

 more than halfway to the mid-vein or 

 base. 



Loculicidal (dehiscence). Splitting 

 down through the middle of the 

 back of each cell. 



Lunate. Crescent-shaped. 



Lyrate. Lyre-shaped; an obovate or 

 spatulate pinnatifid leaf with the 

 end lobe large and roundish and the 

 lower lobes small. 



Marcescent. Withering without fall- 

 ing off. 



Membranous. With the texture of a 

 membrane; thin and more or less 

 translucent. 



Midrib = Mid-vein. The middle or 

 main rib of a leaf. 



Monadelphous. Stamens united by 

 their filaments into one set. 



