CLASS XX. ORDER IX. 



65 



flowers: spatha 2-cleft, 1 -flowered ; calyx! 

 3-j)arted, superior ; corolla 3-petalled ; sUg- ' 

 mas ligulate, 2-cleft ; capsules without j 

 valves, 1 -celled ; seeds numerous, attached 

 to the sides.. (tape-e:rass.) 



Ceuatio'la. Calyx bud-like, imbricated 

 with 6 to 8 scales ; corolla ; stamens 2, ex- 

 pert ; stiu:mas 4 to 6, 2 of them longer; ber- 

 ry with 2 long seeds. 



ORDER in. TRIANDRIA. 



Empk'trum. Calyx 3 -parted, persistent. 

 Staminate flowers : petals 3, marescent ; 

 stamens 3 ; filaments long; anthers 2part- 

 ed. Pistillate flowers: germ .superior, de- 

 pressed ; style 0, or very short ; stigmas 9, 

 retiexed, spreading; ben-y round, 1-celled. 

 2 to G-seeded ; seeds bony. 



Fi'cus. Common receptacle fleshy (be- 

 coming the fruit), enclosing the apetaloiis 

 florets ; both staminate and pistillate, either 

 in the same, or in distinct individuals. Stam- 

 inate flowers : calyx 3-parted. Pistillate 

 flowers : calyx 5-parted ; pistil 1, latei*al ; 

 seed 1, covered with the closed, permanent, 

 6ome^vhat fleshy calyx, (fig-tree.) 



ORDER IV. TETRANDRIA. 



Vis'^cUM. Staminate flowers : calyx 4- 

 parted ; corolla ; anthers sessile, adhering 

 to the calyx. Pistillate flowers : calyx 4- 

 leaved, superior ; corolla ; style ; beny 

 1-seeded, globose ; seed cordate ; parasitic, 

 adhering to trees, (mistletoe.) 



Myri'ca. Anient ovate, oblong; scales 

 lunulate. Staminate flowers : stamens 4 to 

 6 ; anthers 4-valved. Pistillate flowers : 

 germ 1 ; stigmas 2 ; drupe 1-celled, 1-seed- 

 ed. (bay-beny.) 



Broussone'tia. Staminate flowers: 

 ament cylindrical , calyx 4-parted. Pistil- 

 late flo%vers : ament globose ; calyx tubu- 

 lar, 3 or 4 toothed ; germ club-shaped ; seed 

 1, covered with the calyx, (paper mulber- 

 ry.) S. 



ORDER V. PEXTAXDRIA. 



Xanthox'^ylum. Staminate flowers: ca- 

 lyx 5-parted ; corolla ; stamens 3 to 6. Pis- 

 tillate flowers : pistils 3 to 5 ; capsules equal 

 to the number of pistils, 1-seeded. (prickly- 

 ash, or toothache-tree.) 



Hu'MULUs. Staminate flowers : caljrx 5- 

 leaved ; corolla ; anthers with 2 pores at 

 the extremity. Pistillate flowers : calyx 1- 

 leafed, entire, oblique, spreading ; styles 6 ; 

 seed 1, within the leaf-like calyx ; inflores- 

 ■•.ence strobile-form, (hop.) 



Nys"sa. Perfect flower : calyx 5-parted ; 

 wrolla ; pistil 1 ; drupe inferior ; nut 1- 

 jeeded. Staminate flowers 5, 8, 10, or 12, 

 inserted around a peltate gland, (pepper- 

 Idge-tree.) 



Hamilto'nia. Perfect flowers: calyx 

 Bub-campanuhate, superior, 5-cleft; corolla 

 ; nectaiy with a 5-toothed disk ; stamens 

 5 ; pistil 1 ; frait a drupe. Staminate flow- 

 ers vary only iu having no pistil. (American 

 oilnut.) 



Acni'da. Staminate flowers: calyx 5- 

 parted ; corolla 0. Pistillate flowers : calyx 



3-parted ; corolla ; styles ; stigmas 8. se* 

 sile; capsule Iseedcd. (water hemp.) 



Ca.n"nabis. Staminate flowers : calyx 5- 

 parted. Pistillate flowers : calyx 5-leaved, 

 entire, gaping laterally ; styles 2 ; nut 2- 

 valved, within the closed calyx, (hemp.) 

 Ex. 



Spina'cia. Staminate flowers : calyx 5- 

 parted ; corolla 0. Pistillate flowers : styles 

 4 ; .seed 1, within the indurated calyx, 

 (spinach.) Ex. 



N EGL n"do. Calyx minute, unequally 4-5- 

 toothed ; petals none ; anthers 4-5, linear, 

 sessile ; pedicels of the staminate flowers 

 capillary, fa.scicled from lateral aggregate 

 buds ; fertile flowers in racemes ; samaras 

 in paiis, diverging, 1-seeded; leaves com- 

 pound, pimiately 3-5 fohate. 



ORDER VI. HEXANDRIA. 



Smi'lax. Staminate flowers: calyx 6- 

 leaved ; corolla ; anthers adnate to the fil- 

 aments. Pistillate flowers : style minute , 

 stigmas 3 ; beny 3-celled, superior, 1-3-seed- 

 ed. (green brier.) 



Dioscore'a. Staminate flowers : calj-x 

 6-parted ; corolla ; styles 3 ; capsule 3- 

 celled, triangular, compressed ; cells 2-seed- 

 ed ; seeds with membranaceous margins, 

 (yam- root.) S. 



Gleditsch'^ia. Perfect flowers : calyx 

 6 or 8 parted, deciduous, 3 or 4 of the exte- 

 rior segments smaller ; corolla ; stamens 5 

 or 6, seldom 8 ; legume flatly compressed, 1 

 or many-seeded. Staminate flowers : calyx 

 sub-turbinate, 5-8-parted ; 3 to 5 of the seg- 

 ments interior ; stamens 6 to 8. (honey- 

 locust.) S. 



ORDER VIII. OCTANDRIA. 



Pop^'ULUS. Staminate flowers : &ment 

 cylindric ; calyx a torn scale ; corolla turbi- 

 nate, oblique, entire", supporting 8 to 30 sta- 

 mens. Pistillate flowers : ament, calj'x, and 

 corolla, like the staminate ; stigma 4 or 6 

 lobed ; capsule 2-celle(i, 2-valved, many- 

 seeded ; seed with egret-like hairs ; leaves 

 hav-ing a tremulous motion, (poplar, bairn 

 of Gilead.) 



Diospy'ROS. Calyx 4 to 6-cleft, dilated, 

 corolla urceolate, 4-6 -cleft. Staminate flow- 

 ers : stamens 8 to 16 ; filaments often with 



2 anthers. Pi.stillate flowers : stigmas 4-5 ; 

 berry 8-12 seeded, (date plum.) ^'. 



Hippo'PH^. Stammate flowers : perianth 

 4 -cleft ; stamens 8, alteraating with 8 glandat 

 Pistiflatc flowers : perianth superior, cam- 

 panulate ; style 1 ; stigma oblique ; beny 1- 

 seeded, (sea-buck-thorn.) 



ORDER IX. ENNEANDRIA. 



Udo'ra. Serpic"ula. Elo'dea. Spa 

 tha 2-parted ; perianth 6 parted, 3 inner seg 

 ments petaloid. Staminate flowers : stamens 

 9, 3 of them interior. Pistillate flowers : tube 

 of the perianth very long ; barren filaments 



3 ; utricle about 3-seeded ; seeds cylindric. 

 (ditch-moss.) 



Hy'drocha'ris. Staminate flowers : spa- 

 tha 2-leaved ; calj-x 3-leaved ; coroUa 3-pet- 

 alled ; stamens 8-12* united at the ba^. Pis- 



