CARYOPHYLLACE^E. 607 



ORDER HYPERICACE^E. 

 HYPERICUM, L. 



H. spheerocarpum, Michx. Stem woody at base, simple, or branch- 

 ing above, obscurely 4-angled ; leaves oblong-linear, obtuse, sessile ; cyme 

 compound, many-flowered ; sepals nearly equal, ovate, much shorter than 

 the petals ; styles united ; capsule coriaceous, globose. Rocky hills, 

 Northern Alabama (Molir) and Tennessee (Dr. Gattinger). 



H. dolabriforme, Vent. Stem woody at base, ascending, 2-edged 

 above ; leaves linear-lanceolate, sessile, spreading ; cyme few-flowered ; 

 sepals unequal, ovate-lanceolate, about the length of the very oblique petals ; 

 capsule broadly conical, acuminate. (H. procumbens, Michx.) Dry hills, 

 Tennessee. July. Stem 0'- 20' high. Leaves l'-l' long. 



ORDER PORTULACACE^E. 

 PORTULACA, Adans. 



P. halimoides, L. Stem thick, erect (3' -6' high), branching ; leaves 

 terete, woolly in the axils ; flowers few, in a terminal cluster, immersed in 

 wool, and surrounded by a whorl of short subulate bracts; petals 4-6, yel- 

 low ; stamens 8-12. Shell-Hummocks at Sarasota Bay (Garber). 



TRIANTHEMA, Sauvages. 



Sepals 3. Stigmas 1 or 2. Capsule 1- or 2-celled, 1- or few-seeded. Other- 

 wise, with the characters and habit of Sesuvium. 



T. monogyna, L. Perennial ; stem dichotomous, diffuse (2 -3 long) ; 

 leaves opposite, obovate, subconnate by their dilated petioles; flowers axil- 

 lary, sessile, purple within; stamens 5; stigma single; capsule 1-celled, 4- 

 8-seeded. Keys of South Florida (Garber, Curtiss). 



CYPSELEA, Turp. 



Calyx 5-parted. Petals none. Stamens 1 - 3, alternate with the calyx- 

 lobes. Styles 2. Capsule circumscissile. 



C. humifusa, Turp. Small, annual, decumbent, glabrous, branching; 

 leaves nearly opposite, obovate or oval, dotted (l"-2" long), the petiole 

 dilated and with membranous margins at the base ; stipules laciniate ; flow- 

 ers axillary, small, greenish. South Florida (Blodijett). 



ORDER CARYOPHYLLACE^E. 

 PARONYCHIA, Tourn. 



P. riparia, Chapm. Smooth or nearly so; perennial; stems several, 

 spreading, branched ; leaves ovate-lanceolate, acute ; stipules very short ; 

 sepals smoothish ; otherwise like P. Baldwinii. Banks of Flint River, 

 Georgia. Stems 1 - 3 long. Leaves ' long. 



