GENUS i. 



PURSLANE FAMILY. 



4. Talinum calycinum Engelm. Large- 

 flowered Talinum. Fig. 1739. 



Talinum calycinum Engelm. in Wisliz. Rep. 88. 1848. 



Perennial, erect from a very thick root, 

 slender, 6'-io' high. Leaves nearly terete, clus- 

 tered at the base, \\'-2.' long, the base triangular- 

 broadened, slightly prolonged posteriorly; cyme 

 terminal, somewhat compound, scarious-bracted, 

 its branches ascending; flowers pink, io"-i5" 

 broad ; sepals broadly ovate, persistent, cuspi- 

 date; petals twice as long as the calyx; stamens 

 12-30; style about twice as long as the stamens; 

 capsule globose-ovoid, about 3" in diameter. 



In dry soil, western Missouri, Nebraska and Kan- 

 sas to Texas. Rock-pink. June. 



2. CLAYTONIA [Gronov.] L. Sp. PL 204. 1753. 



Perennial succulent glabrous herbs, with corms, or thick rootstocks, petioled basal leaves, 

 and opposite or alternate cauline ones. Flowers terminal, racemose. Sepals 2, ovate, per- 

 sistent. Petals 5, hypogynous, distinct. Stamens 5, inserted on the bases of the petals. 

 Ovary few-ovuled; style 3-lobed or 3-cleft. Capsule ovoid or globose, 3-valved, 3-6-seeded. 

 Seeds compressed, orbicular or reniform. [In honor of John Clayton, :686?-i773, Amer- 

 ican botanist.] . 



About 10 species, natives of northern North America. Type species: Claytonia virginica L. 



Leaves linear-lanceolate, 3'-?' long. i. C. virginica. 



Leaves ovate-lanceolate or ovate, 2'-$' long. 2. C. caroliniana. 



i. Claytonia virginica L. Spring Beauty. 

 May- or Grass-flower. Fig. 1740. 



Claytonia virginica L. Sp. PI. 204. 1753. 



Ascending or decumbent, perennial from a 

 deep tuberous root, stem 6'-i2' long, simple or 

 rarely with a few branches. Leaves elongated, 

 linear or linear-lanceolate, obtuse or acute, nar- 

 rowed into a petiole, the basal 3'-7' long, i"-6" 

 wide, the cauline shorter and opposite ; raceme 

 terminal, loose, at length 3'-$' long, somewhat 

 secund ; flowers white or pink, with darker pink 

 veins, 6"-io" broad ; pedicels slender, at length 

 i'-ii' long and recurved; petals emarginate; cap- 

 sule shorter than the sepals. 



In moist woods, Nova Scotia to Saskatchewan, 

 south to Georgia, Montana and Texas. Very vari- 

 able in the breadth of leaves. Ascends to 2400 ft. 

 in Virginia. Good-morning-spring. Wild potatoes. 

 March-May. 



