MALVACKjE. 81 ABOTILON. 



other spocies. is a native of Asia. Hight about 8 feet, with a crooked trunk, 

 diffuse branches, with prickles. Berry Ig inches in diameter, of a greenish 

 yellow, shining surface. Lime Tree. 



3. C. Aura'ntium. 



Petals winged ; leaves elliptical, acute, crenulate ; flowers with 20 stamens ; 

 fruit globose, with a thin skin and sweet pulp. A middle sized evergreen tree, 

 with a greenish brown bark. When filled with its large, round, golden fruit, 

 it is one of the most beautiful objects in nature. It is easily cultivated in the 

 green-house. Hweet- Orange Tree. 



4. C. Me'dica. 



Petioles naked ; leaves oblong, acute ; flowers with 40 stamens ; fruit oblong, 

 rugose, with an acid pulp. Commonly about 8 feet high. Fruit (J inches in 

 length, very fragrant. Citron Tree. 



5. C. Decuma'na. 



Petioles winged ; leaves obtuse, emarginate ; fruit very large, with thick 

 skin. A tree 15 feet in hight. The wings of the petioles as broad as the 

 leaves. Fruit grows to the diameter of 7 or 8 inches, weighs 14 pounds, and 

 is of a greenish yellow. Skadduck. 



ORDER XXXVllI. MALVACEAE. • The Mallow Tribe. 



Col. — Sepals generally 5, more or less united at their base, bearing an involucel. valvate 



Cor. — Petals equal in number to sepals, hypog>'nous. [in ffislivalion. 



<Sta.— Indefinite, raonadelphous. Anthers 1-celled, bursting transversely. 



Ova. — Of several carpels arranged in one or more rows around a common axis. 



fity. — As many as the carpels, either united or distinct. 



Ft- — Capsular or baccate ; carpels one or more seeded, united or distinct. 



Sds. — Sometimes (as in Gossypium) hairy. 



A somewhat important class of plants, forming about one fifueth of all the flowering plants 

 of tropical vallies. — But few are natives of the temperate, and none of the frigid zone. In 

 the Northern States they are all herbs. Leaves alternate, stipulate, more or less divided. 



Properties. Generally abounding in mucillage, and destitute of any deleterious qualities. 



Conspectus of the Genera. 



r 3 cordate leaves, Gnssypimn. 7 



I -3 oblong leaves, Malva. 3 



3-cleft, . . Lavatera. 6 



I 6— 9-cleft, . Mth(P.a. 2 



( Carpels in one circle. Involucel with [ many leaves, Ililiisats. 4 



Involucels present, | Carpels irregularly arranged. Involucel 3-leaved, - MaUrpe. 5 



Invojuccls wanting; capsule of three or more 3-seedcd carpels, . . AhutUon. I 



1. ABU'TILON. 

 Calyx 5-clert, without an involuce], often angular; ovary 

 5-- many-celled ; styles many-cleft ; capsule of 5 or more car- 

 pels, arranged circularly, each l-ccUed, 1 — 3-seeded. 



A genus taken by Lamark from Sida of Linn. 



A. Avice'NN^E. Gaert. Sida Abutilon. L. 



Leaves roundish-cordate, acuminate, dentate, tormentose; peduncles ahoilei 

 than the petiole, solitary ; carpels about 15, 3-seeded, inflated, 2-awned, trun- 

 cate. This species is naturalized in most of the Slates, inhabiting waste pla-- 



