6S NORTH AMERICAN FLORA [Volume 22 



2-6 cm. broad ; flowers subsessile; calyx-segments nearly linear, acute or acutish, a little 

 shorter than the petals; petals linear-lanceolate to linear-oblanceolate, acute, 6-8 mm. long, 

 white; anthers pink; carpels erect ; styles subulate. 



Type locality : Tuerto Mountain, east of Sante F6, New Mexico. 

 Distribution : Mountains of New Mexico. 



34. Sedum naviculare Rose, Bull. N. Y. Bot. Gard. 3 : 42. 1903. 



Annual ; stems simple or branching at base, glabrous, purplish, 5-10 cm. long ; basal 

 leaves not seen. Stem-leaves scattered, "spatulate, concavo-convex," obtuse, glabrous, 2- 

 10 mm. long; inflorescence of 2 or 3 more or less elongated, one-sided racemes; flowers 

 scattered, subsessile or sometimes very distinctly pedicelled ; sepals linear, nearly equal, 

 green, 1.5-3 mm. long; petals free to the base, purplish, ovate-lanceolate, 4 mm. long, 

 obtuse ; stamens 10, all decidedly shorter than the petals, those opposite the petals attached 

 to them above the base; anthers short, purple; scales 5, alternating with the sepals, very 

 distinct, 0.6 mm. long, narrowly-club-shaped ; follicles erect, glabrous. 



Type locality : Sierra de Tepoxtlan, Morelos, Mexico. 

 Distribution : Known only from the type locality. 



35. Sedum jaliscanum S. Wats. Proc. Am. Acad. 25 : 148. 1890. 



Annual, diflusely branching, glabrous, 5-10 cm. high. I/caves spatulate, 1-3 cm. long 

 including the slender petiole, thin, obtuse; flowers solitary and axillary (forming a leafy 

 equilateral raceme); pedicels short, 2 mm. long or less; sepals distinct, unequal, leaf-like, 

 the longer ones 6 mm. long; petals white, 3 mm. long, linear-lanceolate, acuminate; anthers 

 purplish; scales minute ; carpels erect. 



Type locality: Near Guadalajara, Jalisco, Mexico. 

 Distribution : Jalisco. 



36. Sedum tortuosum Hemsl. Diag. PI. Nov. 1 : 10. 1878. 



Perennial, shrubby, glabrous, the branches thick and tortuous. I/caves alternate, 

 spatulate, flat, obtuse, 2.5 cm. long ; inflorescence a small terminal cyme; pedicels short; 

 sepals free, very unequal, oblong or obovate, obtuse; petals white (?) erect (?), lanceolate, 

 ^cute, twice longer than the sepals. 



Type locality : Mexico. 



Distribution : Known only from the type specimen. 



37. Sedum retusum Hemsl. Diag. PI. Nov. 3: 51. 1880. 



Shrubby, glabrous, but branches tuberculately roughened. Leaves sessile, oblong-obo- 

 vate, or spatulate, often retuse, 1-1.5 cm. long; inflorescence a few-flowered cyme; sepals 

 linear-oblong, 4 mm. long ; petals oblong, acute, keeled on the back, 6 mm. long ; carpels 8. 



Type locality : San Luis Potosi, Mexico. 

 Distribution : San Luis Potosi . 



38. Sedum tuberculatum Rose, Contr. U. S. Nat. Herb. 5 : 143. 1897. 



Perennial ; stems herbaceous, perhaps woody below, branching and spreading at base, 

 "Closely set with small red tubercles. Leaves spatulate, 6-12 mm. long, obtuse, alternate, 

 glabrous ; inflorescence a few-flowered cyme ; pedicels very short or wanting ; sepals 5, 

 linear, 5 mm. long ; petals white, 6-8 mm. long, mucronate on the back below the apex ; 

 -carpels 5, widely spreading. 



Type locality: Near the City of Oaxaca, Mexico. 

 Distribution: Oaxaca. 



39. Sedum Conzattii Rose, Bull. N. Y. Bot. Gard. 3 : 42. 1903. 



More or less shrubby at base, 3-4 dm. high, branched, puberulent. Leaves alternate, 

 spatulate, rounded or retuse at apex, 2-3 cm. long, thin ; inflorescence a short cyme ; 

 sepals about 2 mm. long, free to base; petals white or purplish, 6 mm. long, acute; sta- 

 mens shorter than the petals, anthers reddish ; scales very small. 



Type locality : Sierra de San Felipe, Oaxaca, Mexico. 

 Distribution : Sierra de San Felipe. 



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