ORDER 24. TAMARISCINE^E. 63 



5 H. Trionum L. Flower-of-an-H&ur. Hispid ; leaves 3-parted, middle segment! 



long, all siuuate-lobed ; bractlets entire ; calyx inflated, membranous ; flowers yel- 

 lowish, dark-brown centre, ephemeral, numerous. Fields and gardens. Italy. 



6 H. militaris Cav. Glabrous ; leaves hastately 3-lobed, lobes acuminate, serrate ; 



corolla tubular-campanulate ; capsules smooth, ovoid-acuminate; seeds hairy, u 

 Penn., S. and W. 4f. Petals flesh-color, purple at base, 3'. July, August. 



7 H. cocciueus Walt. Very smooth ; Ivs. palmate, 5-parted, lobes lanceolate, acu- 



minate ; corolla expanding; caps, ovoid. If. South. 6f. Flowers 6', scarlet. July, Aug. 



8 H. Caroliuiiiiius Muhl. Smooth; Ivs. cordate, ovate, acuminate ; ped. free from 



petiole ; pet. downy inside, purple, 4'; pod globular, y. Wilmington Isl., Ga. (Elliott). 



9 H. Syriacus L. Althaea. Tree, Hibiscus. LVP. ovate, cuneiform at base, 3-lobed, 



dantate ; ped. scarcely longer than petiole. Fls. wh.-purp. or roseate. 8 15f. Syria. 



10 H. Floridan us Shutt. Hispid ; Ivs. ovate-cordate, obtuse, small ; fls. pendulous 

 on long peduncles, scarlet or crimson ; stamens exserted. S. Fla. 4 5f. Fls. I'. 



1 1 H. RosA-SiNENSis. Chinese H. Shrub with very smooth ovate pointed Ivs. coarsely 

 dentate at end ; fls. very large, dark red, varying to buff, yellow, striped, and double. 



12 H. ESCULENTUS. OJcra. Lvs. cordate, 5-lobed, obtuse, dentate ; petiole longer than the 

 fl. ; involucel about 5-leaved, caducous. (T) 5f. Cult, for its large, mucilaginous pods. 



13 H. MANIHOT. Lvs. divided into 5 7 linear, pointed, few-toothed lobes ; bractlets 

 of the involucel 57, persistent, y. China. 4f. Fl*. sulph.-yellow, purp. centre. Jl. + 



13. GOSSYPIUM, L. COTTON PLANT. Calyx obtusely 5-toothed, 

 surrounded by an involucel of 3 cordate leaves, deeply and incisely toothed. 

 Stamens very numerous, lateral. Stigmas 3, rarely 5, clavate. Seeds 00, 

 involved in cotton. Flowers yellow. Fig. 201. 



1 G. HERBACEUM. Leaves 3-5-lobed, with a single gland below, lobes mucronate ; seeds 



brownish, cotton white. 5f. Cultivated South. Yellow. 



2 Cr. BARBADENSE. Sea Island C. Leaves with 3 glands on the mid- vein below ; seeds 



black, cotton white, long and silky. @ Coasts, South. Planted in Autumn. 



ORDER XXIV. STERCULIACE^E. SILK COTTONS. 



Large trees or shrubs with simple or compound leaves, with flowers 

 similar to those of the Mallow, except that the anthers are 2-celled and 

 turned outward. Fruit capsular, of 3, rarely 5 carpels. 



Involucel 0. Petals 0. Carpels 5. Stamens 10 20, all fertile, monadelphons..STERCULiA. 



* Involucel 0. Petals 5, long-clawed. Carpels 5. Fertile stamens 5. S. Fla..AYENiA p,s{&j. 



Involucel 3-leaved. Petals 5. Carpel 1. Stamens 5, all fertile. S. Fla WALTHKRIA Americbma. 



1. STERCULIA, L. Calyx 5-lobed, sub-coriaceous. Stam. monadel- 

 phous, united into a short, sessile cup. Anth. adnate, 10, 15, or 20. Carp. 

 5, distinct, follicular, 1-celled, 1 - Go-seeded. Trees with axillary panicles 

 or racemes. (See Addenda.} 



8. PLATANIFOLIA L. Leaves cordate at base, palmately 3-5-lobed, smooth ; calyx rotate, 

 rcflexed, greenish, in clusters. Cultivated South. 30f. Japan. A handsome tree. 



ORDER XXIV. bis. TAMARISCIN^LE. TAMARISKS. 



Shrubs or herbs with minute, scale-like leaves, dense slender racemes of 

 small 4r-5-parted flowers. Stamens definite, hypogynous. Styles 3. Capsules^ 

 valved, 1-celled, oo-seeded. Seeds with a coma. Albumen 0. Embryo straight, 



