36 



PORTULACACEAE. 



Vol. II. 



Flowers 4"-S" broad ; sepals deciduous. 

 Stamens 10-30; capsule globose. 

 Stigma-lobes very short. 



Stigma-lobes about one-third as long as the style. 

 Stamens only 5 ; capsule oval. 

 Flowers io"-i5" broad; sepals persistent. 



1. T. teretifolium. 



2. T. rugospermum. 



3. T. parviflorum. 



4. T. calyciiiuin. 



I'"amc-fiovver. 



I. Talinum teretifolium I'ursh. 

 Fig. 1736. 



Talinum teretifolium Pursh, Fl. Am. Sept. 365. 1814. 



Perennial, erect, 4'-i2' high, leafy at the base. Leaves 

 linear, terete, i'-2' long, about l" wide, the base broad- 

 ened and prolonged posteriorly ; scape-like peduncles 1-5, 

 terminal, branched, leafless, slender, bracted at the nodes, 

 3'-6' long; cymes tenninal, loose, the branches ascending 

 or divaricate ; flowers pink, 6"-8" broad, opening for a 

 day; sepals membranous, deciduous, ovate, -obtuse, 2" long, 

 about half the length of the petals; stamens 10-30; style 

 as long as the stamens ; stigma-lobes very short ; capsule 

 globose, 2" in diameter; bracts of the cyme ovate or 

 ovate-lanceolate, l" long, prolonged posteriorly. 



On dry rocks, Pennsylvania to Minnesota, Kansas, Georgia 

 and Texas. Ascends to 3800 ft. in North Carolina. May- 

 Aug. 



2. Talinum rugospermum Holzinger. Prairie 

 Talinum. I'ig. 1737. 



T. rugospermum Holzinger, Asa Gray Bull. 7: 117. 1899. 



Perennial or perhaps biennial, though first described 

 as annual, the root deep, the slender scape-like pedun- 

 cles 10' high or less. Leaves basal, linear, terete, i'-2' 

 long; cymes and petals like those of T. teretifolium, 

 the pink flowers 6"-S" wide, opening late in tlie after- 

 noon; sepals deciduous; stamens 12-25, the red fila- 

 ments very slender, the anthers short, nearly spherical; 

 lobes of the stigma nearly linear, one-fourth to one- 

 third as long as the style ; capsule globose, about 2" in 

 diameter ; seeds faintly roughened, but scarcely rougher 

 than those of 7". teretifolium. 



Prairies, Indiana to Minnesota and Wisconsin. Summer. 



3. Talinum parviflorum Nutt. Small- 

 flowered Talinum. Fig. 1738. 



Talinum parviflorum Nutt. 

 197. 1838. 



T. & G. Fl. N. K i: 



Perennial, similar to the preceding species, 

 leafy below. Leaves terete or nearly so, linear, 

 rather more slender, broadened at the base; 

 scape-like peduncles very slender, 3'-8' tall ; 

 cymes loose, their branches and pedicels as- 

 cending; flowers pink, 4"-s" broad; sepals 

 ovate, deciduous, acute or subacute; stamens 

 5 (or soinetimes fewer?) ; style somewhat 

 onger than the stamens ; capsule oval, 2" 

 high, about i" in diameter; bracts of the 

 cyme narrowly lanceolate, slightly prolonged 

 posteriorly. 



Ill dry soil, Minnesota to Missouri, South Da- 

 kota, Colorado, New Mexico and Texas. May- 

 Sept. 



