POPULAR FLORA. 



133 



1. Shrubby or Althaea Hibiscus. Shrub 5° to 10° high, smooth ; leaves wedge-ovate, toothed, 



3-lobed ; flowers short-stalked, white, pnrple-red, &o. (single or double). Cultivated for orna- 

 ment. H. Syriacut. 



2. Great Red H. Herb 8° high from a perennial root, smooth; leaves deeply cleft into 6 lance-linear 



lobes; corolla red, 8' to 11' broad! S. and in gardens. S. coccineus. 



3. Halberd-leaved H. Herb 6° high from a perennial root, smooth ; lower leaves 3-lobed, upper 



halberd-shaped; calyx bladdery after flowering; corolla flesh-colored, 3' long. S. miliiaris. 



4. Marsh H. Herb 5° high from a perennial root; leaves soft-downy and whitish underneath, ovate, 



pointed, the lower 3-lobed ; base of the flower-stalks and leafstalks often grown together ; corolla 

 5' broad, white or rose-color with a crimson eye. Salt marshes, &c. JJ. MoscheuCos. 



B. Bladder-KetmiX H. (or Flower-of-an-Hour). Herb 1° to 2° high from an annual root, somewhat 

 hairy; lower leaves toothed, upper 3-parted, with narrow divisions; corolla greenish-yellow with a 

 dark-brown eye, opening only in midday sunshine ; calyx bladdery after flowering, enclosing the 

 pod. Gardens, &c. K Triimum. 



18. LINDEN FAMILY. Order TILIACE^. 

 Has the tough and fibrous inner bark and the bland mucilage of the Mallow family. Its 

 distinctions are shown in the only genus we have, viz. : — 



323. American Linden, in flower. 324. Magnified crosa-seetion of a flower-bud. 

 3*25. A tiil't of Btamens witti the petal-liiie Bcate. 326, Pistil. 327. Fruit 

 cut in two. 



Linden or Basswood. Tilia. 

 Sepals 5, thick, valvate (the margins edge to edge) in the bud, falling off after flowering. Petals 6, 

 Cieam-color. Stamens very many, on the receptacle, in 5 clusters: anthers 2-celled. Pistil one: ovary 

 6-celled, with two ovules in each cell; in fruit woody, small, closed, mostly one-seeded. — Large, soft- 

 wooded trees, with heart-shaped leaves, often oblique at the base. Flowers in a small cluster on a 

 slender and hanging peduncle from the axil of a leaf, and united part way with a narrow leaf-like bract. 

 (Also called Lime-trees.) 



