204 



APPENDIX 



Crown. See corona. 



Culm. The stem of a grass or 



sedge. 

 Cuspidate. Ending in a sharp 



point. 

 Cyme. A convex or flat-topped 



flower-cluster with the central 



flowers opening first, its rays 



not arising from the same point 



of the axis. 

 Deciduous. Falling off at the end 



of the growing season. 

 Decompound. Divided more than 



once. 

 Decumbent. Lying on the ground 



with only the ends ascending. 

 Decurrent. An organ extending 



upon another, as a leaf upon the 



stem. 



Dehiscent 22 



Dentate. With teeth directed out- 

 ward. 



Diadelphous 15 



Dicarpeliary. A compound pistil 



consisting of two carpels. 

 Dichotomous. Branching by fork- 

 ing regularly in pairs. 

 Diffuse. With a loosely spreading 



habit. 

 Digitate. Compound leaves with 



all the leaflets attached at the 



same point. 



Dioecious 14 



Disc. 18. The part of the head 



in the composites consisting of 



the tubular flowers. 

 Discoid. Without rays. 

 Dissected. Divided into numerous 



segments. 

 Dissepiment. A partition wall of 



a compound ovary or fruit. 

 Divided. Of leaves; blade cleft to 



the base or to the midrib. 

 Drupe. A fruit with a coriaceous, 



flbrous or fleshy exocary and a 



bony endocarp, as a plum. 

 Emarginate. With a notch at the 



apex. 

 Embryo. The young plantlet in 



the seed. 



Endocarp 21 



Endosperm, Substance inside of 



the seedcoats surrounding the 



embryo in the seed. 



Entire. Edges not notched or 

 toothed. 



Epigynous 18 



Erose. With irregular edges as if 

 gnawed. 



Exocarp 21 



Falcate. Curved like a scythe. 



Filament 10 



Floccose. With tufts of wooly 

 hairs. 



Floret. A small flower in a head. 



Foliaceous. Leaf-like in appear- 

 ance. 



Follicle. A simple dry fruit de- 

 hiscent along one suture, as 

 that of the milkweed. 



Fugaceous. Soon to fall off. 



Funiculus. Stalk of a seed or 

 ovule. 



Gamopetalous 15 



Gamosepalous 15 



Gibbous. Swollen on one side. 



Glabrate. Nearly hairless. 



Glabrous. Without hairs. 



Gland. A secreting organ. 



Glaucous. Surface covered with a 

 white or bluish powder as a box- 

 elder twig. 



Glume 26 



Hastate. Leaves with diverging 

 lobes at the base. 



Head. A compact cluster of ses- 

 sile flowers. 



Herb 28 



Herbacous. Leaf-like in color and 

 texture. Like an herb. 



Hilum. Point of attachment on a 

 seed. 



Hirsute. Covered with stiff, 

 coarse hairs. 



Hispid. Covered with bristly 

 hairs. 



Hyaline. Transparent or translu- 

 cent. 



HypogyiHous 20 



Hypanthium 18 



Imbricated. Overlapping like 

 shingles. 



Imperfect 13 



Indehiscent 22 



Indurated. Hardened 



Inferior ovary 18 



Inflorescence. A flower cluster. 



Internode. Part of a stem be- 



