HYPEIUCACE^E. (ST. JOIIN's-WORT FAMILY.) 39 



often acute, approximate in pairs ; styles 2 ; capsule as long as the sepals. 

 Sterile soil, Florida and northward. June - September. Shrub 1- 3 high. 

 Leaves 1' long. Branches opposite. 



2. A. Stans, Michx. Leaves oval-oblong, obtuse, closely sessile ; outer 

 sepals orbicular-cordate, obtuse ; the inner ones lanceolate, acute ; petals obovate ; 

 styles 3 or 4 ; capsule shorter than the sepals. Var. OBOVATUM, Torr. fr Gray, 

 is a dwarf state, with obovate leaves, and obtuse inner sepals. Damp soil, 

 Florida and northward. July- September. Shrub 2- 3 high. Leaves and 

 flowers larger than in No. 1 . 



* * Pedicels bractless : styles longer than the ovary. 



3. A. amplexicaule, Michx. Leaves and outer sepals cordate-ovate, 

 clasping ; inner sepals lanceolate, as long as the outer ones ; petals obovate ; 

 styles 3 ; capsule ovoid, barely half as long as the sepals. Damp soil near the 

 coast, Florida, Georgia, and westward. April - September. Shrub 2 - 3 

 high. Branches many times forking. 



4. A. pumilum, Michx. Dwarf ; leaves oblong-ooovatc, obtuse ; outer 

 sepals round-ovate, the inner ones minute ; petals obovate ; pedicels long and 

 slender, reflexcd in fruit ; styles 2, united. Dry gravelly soil, Florida, Georgia, 

 and westward. March and April. Stems 3' - 6' long, diffuse. Leaves 4" - 6" 

 long. 



5. A. microsepalum, Torr. & Gray. Leaves very numerous, small, 

 oblong-linear, narrowed at the base, obtuse ; flowers somewhat corymbose ; se- 

 pals small and equal. Flat pine barrens, Florida and Alabama. March and 

 April. Shrub bushy, 1 - 2 high. Leaves 6"- 9" long. Flowers 1' wide. 



2. HYPEKICUM, L. ST. JOHX'S-WORT. 



Sepals 5, similar. Petals 5, oblique, convolute in the bud. Stamens mostly 

 numerous, and commonly collected in 3 - 5 sets, without intervening glands. 

 Styles 3-5, distinct or united. Capsule 1 - 5-celled. Herbs or shrubs. Flow- 

 ers mostly cymose, yellow. 



1. Stamens numerous. 

 * Capsules-celled: styles united ': shrubs. 



1. H. prolificum, L. Branches 2-edged, the barren ones elongated ; 

 leaves lance-oblong, obtuse or mucronate, narrowed at the base ; cymes axillary 

 and terminal, often few-flowered ; capsule oblong, rarely 4 - 5-celled. Varies 

 with a more branching stem, smaller and narrower leaves, and smaller and more 

 numerous flowers. (H. galioides, Ph.) Swamps and banks of rivers in the 



niddle and upper districts. July and August. Shrub 2 - 3 high. Leaves 

 l'-2' long, paler beneath. 



2. H. Buckleyi, M. A. Curtis. Low, widely branching from the base ; 

 leaves oblong, obtuse, narrowed at the base, paler beneath ; flowers solitary, ter- 

 minal, on rather long and bracted pedicels ; sepals obovate ; style and stamens 

 long and slender. Mountains of Georgia and North Carolina. Shrub 8'- 12' 

 high. Flowers 1' wide. 



