78 HYPERICACEAE. 



FAMILY 1. TAMABICACEAE. TAMARISK FAMILY. 



Shrubs or trees, or partially herbaceous plants. Leaves alternate : 

 blades entire, often scale-like. Flowers mainly perfect, sometimes in pro- 

 fuse panicles. Calyx of 5, or 4 or 6, sepals. Corolla of 5, or 4 or 6, petals. 

 Androecium of 5 or many stamens. Gynoecium of 2-5 united carpels. 

 Ovary 1-celled. Fruit a capsule. 



1. TAMAKIX L. Irregularly branching shrubs or trees. Leaves scale- 

 like, clasping or sheathing. Flowers borne in plume-like panicles. Capsule 

 many-seeded. 



1. T. gallica L. Small tree or shrub, with weak branches, the branchlets 



clothed with the imbricate leaves: panicles with numerous spikes: sepals about 



0.5 mm. long: petals white or pinkish: capsules about 1 mm. long. TAMARISK. 



Roadsides and thickets, n. and pen. Fla. Nat. of s. Eu. (Cont.) Sum.-fall. 



FAMILY 2. THEACEAE. CAMELLIA FAMILY. 



Shrubs, trees, or vines. Leaves alternate. Flowers perfect and showy. 

 Calyx of 5, or rarely 4-7, imbricate sepals. Corolla of 5, or rarely of 4-7, 

 petals. Androecium of numerous, or rarely few, stamens. Gynoecium of 

 3-5 partially or wholly united carpels. Fruit mostly capsular, sometimes 

 indehiscent. 



1. STUABTIA L. Shrubs. Leaf -blades usually toothed. Sepals mostly 

 5, relatively broad. Petals mostly 5. Style columnar. Stigma radiate. Capsule 

 globular or depressed. 



1. S. Malachodendron L. Shrub 1-5 m. tall : leaf -blades oval, elliptic or some- 

 times ovate or obovate, 5-11 cm. long: sepals about 1 cm. long: petals obovate, 

 3-5 cm. long: capsules depressed-globular, 12-17 mm. in diameter. 

 Woods and hillsides, n. Fla. (Cont.) Spr. 



FAMILY 3. HYPEEICACEAE. ST. JOHN'S-WORT FAMILY. 



Shrubs or herbs. Leaves opposite: blades mostly punctate, entire or 

 nearly so, sometimes scale-like. Flowers perfect. Calyx of 4 or 5 some- 

 times unequal sepals. Corolla of 4 or 5 yellow or pink petals. Androe- 

 cium of few or many stamens, sometimes grouped, the groups sometimes 

 alternating with the glands. Gynoecium of 3-7 united carpels. Fruit a 

 capsule. 



Sepals 4, in more or less unequal pairs : petals mostly 4. 



Pairs of sepals very unequal in size or shape or both, the outer pair enclosing the 



capsule. 1. ASCYEUM. 



Pairs of sepals nearly equal in size and shape, much surpassed 



by the capsule. 2. CHOOKEA. 



Sepals and petals mostly 5. 3. HYPERICUM. 



1. ASCYRUM L. Shrubs. Sepals 4, very unequal. Stamens not in groups. 

 Styles relatively short. Capsule included in the calyx. ST. PETER 'S-WORT. 

 ST. ANDREW 'S-CROSS. 



Styles 2 : inner sepals very small, petal-like or obsolete. 



Peduncles reflexed at maturity : calyx without bractlets, conspicuously surpassing 



the leaves. 1. A. pumihtm. 



Peduncles not recurved : calyx subtended by a pair of bract- 

 lets, not conspicuously surpassing the leaves. 



Outer sepals ovate at maturity : capsule included. 2. A. hypericoides, 



Outer sepals oblong or elliptic at maturity : capsule ex- 



serted at the tip. 3. A. linifolium. 



