360 American Midland Naturalist Monograph No. 7 



Ferruginous. Rust-colored. 



Filament. The stalk of a stamen, usually bearing an anther at its apex. 



Filiform. Thread-like; slender and terete. 



Fimbriate. Fringed. 



FiMBRiLLATE. Minutely fringed. 



Flabellate. Fan-shaped. 



Flexuous. Having a more or less zigzag form. 



Floccose. With tufts of soft woolly hairs. 



Floret. Individual flower of Compositae and grasses. 



Floricane. a biennial stem in its second year, bearing flowers and fruits. 



(Rubus). 

 FoLiACEOUS. Having the form or texture of a leaf; leafy. 

 Follicle. A simple, dry, dehiscent fruit, producing several or many seeds 



and composed of one carpel, which splits along one suture. 

 Free. Said of floral organs which are not united with other floral organs. 

 Fugacious. Falling or withering away very early; ephemeral. 

 Funnelform. Said of a corolla with the tube gradually widening upward 



into the spreading limb. 

 Fusiform. Spindle-shaped, narrowed toward the ends from an enlarged 



middle. 



Geniculate. Bent abruptly like a knee. 



Gibbous. Swollen on one side. 



Glabrate. Nearly glabrous, or becoming glabrous. 



Glabrous. Not hairy; free from epidermal hairs. 



Glandular. Bearing glands or gland-like appendages or trichomes. 



Glaucescent. Becoming glaucous. 



Glaucous. Covered with a "bloom"; bluish white or bluish gray. 



Glomerule. An inflorescence condensed in the form of a small head or 



cluster. 

 Glume. A chaflf-like bract; particularly one of the two empty bracts at the 



base of the spikelet in grasses, or the single bract of sedges. 

 Glutinous. Sticky; mucilaginous; covered with a sticky exudate. 

 Grain. The dry, unilocular, 1-seeded, indehiscent. superior fruit of grasses, 



in which the thin pericarp is adherent throughout to the seed; a 



caryopsis. 

 Granular, Granulose. Composed of or appearing as if covered with minute 



grains. 

 Gynecandrous. Having staminate and pistillate flowers in the same spike, 



as in sedges, the upper flowers pistillate and the lower staminate. 



Halberd-shaped. Hastate. 



Hastate. Halberd-shaped; like an arrowhead, but with the basal lobes 

 pointing outward nearly at right angles. 



Head. A type of inflorescence in which numerous small flowers are crowded 

 upon a common receptacle; the inflorescence or capitulum of Com- 

 positae; a compact inflorescence. 



Herb. A plant that has no perennial woody stem above ground, thus dis- 

 tinguished from a shrub or tree. 



Hirsute. Pubescent with rather coarse or stiff hairs. 



HiRsuTULOUS. Slightly hirsute. 



Hirtellous. Minutely hirsute. 



