CERATOPHYLLACES:. 



S33 CERATOPHYLLUM. 



2. C. occidenta'lis. 



Leaves ovate, acuminate, entire and unequal at base, serrate, rough above, 

 and rongh-hairy beneath ; fruil solitary. This species is some 30 feet high in 

 New Eno-land, where it is rarely found, but is much more abundant at tlie 

 South and West. The trunk has a rough, but unbroken bark, with numer- 

 ous slender, horizontal branches. Leaves with a very long acumination, and 

 remarkably unequal at the base. Flowers axillary, solitary, small and white, 

 succeeded by a small, round, dull red drupe. The wood is tough and is used 

 for making hoops, &c. American Kettle Tree. Hoop Ash. 



ORDER CXIX. SAURURACE^. 



p/s.— Perfect, achlamydeous. Sla. definite, persistent. 



Anth. 2-celled, whh atliick conuectile continuous with the slender filament. 



Oi'O.— Carpels 3—5, each t'ew-ovuled. 



jT'r.—Capsule or berrs',3— 5-celled, lew-seeded. [albnmen. 



Sefrf5 usually solitary in the cells. Embryo minute, cordate, outside of hard, farinaceou.s 

 A small order of aquatic herbs, with jointed stem.?. Leaves alternate, stipulate. Flow- 

 ers each with a bract at base, in spikes. Properties unimportant. 



SAURU'RUS. 

 Inflorescence an ament or spike of 1-flowerecl scales; sta- 

 mens 6, 7, 8 or more ; anthers adnata to the filaments ; ovaries 

 4 ; berries 4, 1-seeded. 



Gr. (TuvQa., a lizard, and ovqu., a tail ; from the resemblance of the inflor- 

 escence. 

 S. Ce'rnUUS. Willd. ^ Anonymous aquatica. Walt. 



Stem anirular ; leaves cordate, acuminate, petiolate. An aquatic plant, with 

 neat foliaire, and yellowish, drooping spikes of flowers. Stem H — 2 feet high, 

 weak, fur'rowed. Leaves 4 — (J inches long, and i as wide, smooth and glau- 

 cous, with prominent veins beneath and on petioles 1 — 2 inches long. Spikes 

 slender, drooping, longer tlian the leaf. Scales tubular, cleft above, white. 

 Flowers very small and numerous, sessile, consisting only of the long stamens, 

 and the ovaries with their recurved stigmas. Aug. Per. Lizard's tail. 



ORDER CXX. CERATOPHYLLACE^. 



Fls.—MoncEciovis. Cat. many-parted. 



Sterile.- 6'to. indefinite (10—20). Anth. tricnspidate, sessile. 2-ceIled. [sessile. 



Fertile.— Oca. free, l-celled, with :i sii.-|.i iiii.'d, solhary ovule. Style filiform, oblique, 

 Fr. — Achenium beaked with the indniiiir:! sii-ma. 



Seed orthrotopous, suspended, exalbuniiiiLiu.s, luul containingr 4 cotyledons. 

 Herbs, floating. Leaves cellular, many-cleft, verticillate. 



CERATOPHY'LLUM. 



Character the same as that of the order. 



Gr. K.igcii, a horn, and (iivWov, a leaf; on account of the many-horned 

 divisions of the leaf. 



C. dkme'rsum. 



Leavrs 6 — 8 in a whorl, doubly dichotomous, dentate-spinescent on the 

 back; flowers B.xi\la.ry, fruit 3-spined. An aquatic weed, in ditches, &c. 



