204 POPULAR FLORA. 



KEY TO THE FAMILIES OR ORDERS OF CLASS IL 



I* Spadiceous Division. Flowers collected on a spadix (184), 1. e. sessile and crowded in a spiko 

 or head on a thickened axis, and with or without a spathe or enwrapping bract (18u). 



Trees or shrubs, with simple steins; the flowers having calyx and corolla. Palm Fa:\iily, 205 



Herbs, tlie small and crowded flowers either naked or with a small perianth. 



Spadix surrounded by a large spathe: flowers generally naked: fruit a berry. ) 

 Spadix without u spathe: perianth of 6 pieces, J Akum r. 20o 



Spadix without any proper spathe: perianth none: fruit an ak en e, Cat-tail F. 20G 



-Spadix (as it ujight be called) raised above a small spathe, covered with Line aiid 



tubular, C-lobed flowers. Belongs to the next division, Pickei;el-weed F. 203 



II» Petaloideous Division. Flowers not on a spadix and not enclosed by glumes or chafl\' or scale- 

 like bracts (as in Grasses and Sedges), but having a calyx and corolla, or a G-!eaved or C-lobed 

 (rarely 4-leaved) perianth colored like a corolla. 



Bcrianth free from the ovary, that is, inserted underneath the ovar}', and 

 Of 3 green or greenish sepals and 3 distinct and colored petals. 



Pistils many, in a ring or a head, making akenes, ' WATEn-Pr.ANTAiN F. 20G 



Pistil 1: styles or sessile stigmas 3. Leaves whorled, veiny, TinLMUM F. 206 



Pistil and slender style 1: leaves alternate, parallel-veined, SriDEiavoirr F. 207 



Of mostly G petal-like leaves in two ranks, three outside and three inside, or else G- 

 (rarely 4-) lobed, all colored alike. 

 Stamens only 3, or G and the three on one side of the flower much shorter than 



the rest, Pickei:el-\veed F. 205 



Stamens 6, or as many as the divisions of the perianth, all alike. 

 Anthere turned outwards, i. e. on the outer side of the filament. 



Leaves in whorls: flowers perfect : long stigmas 3, Indian CucuMREi:-nooT, 207 

 Leaves alternate, and with side tendrils, netted-veined between tlic ribs: 



flowers dioecious: styles or sessile stigmas 3, Gr.EExnRiEii F. 208 



Leaves alternate, without tendrils: flowers perfect or polygamous : styles 



3 or 3-cleft, Coeciiicuji F. 20!) 



Anthers turned inwards, i. c. on the inner side of the filament: style 1: 



stigmas 1 or 3, Liey F. 20D 



Perianth adherent to the ovary below, and therefore apparently borne on it. 



Stamens G: anthers turned inwards. Flowers regular or nearly so, Amakyelis F. 213 



Stamens 3: anthers turned outwards. Flowers ofren irregular, Ii:is F. 214 



Stamens only one or two and united with or borne on the style. Flowers irregular, of 



singular shapes, Oi:ciiis F. 215 



III« Glumaceous Division. Flowers not on a spadix, and without any corolla-like perianth, but 

 with ijluviea, i. e. thin scales, such as the chaff or husk of Grain and Grasses. Srems rush-liko 

 or straw-like. 

 Clumcs in a whorl to each flower, like a calyx, Push F. 215 



Glume one to each flower, the flower in its axik Flowers collected into heads or spikes, Seoge F. 216 

 Glumc3 2 or 4 to each flower, in two sets, Gkass F. 216 



