PART 6, 1918] ADDITIONS AND CORRECTIONS 543 
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4b. Sedum semiteres Rose, Contr. U. S. Nat. Herb. 13: 300. 1911. 
Perennial. Sterile branches 3-4 cm. long, very leafy, the leaves appearing imbricate, 
in cultivated specimens 10 cm. long, the leaves standing nearly at right angles to the stem 
or somewhat drooping; leaves 1-2 cm. long, narrow, fleshy, nearly semiterete in section, 
obtuse, strongly papillose, the papillae appearing more pronounced in dry specimens; 
flowering stems ascending or erect, apparently very leafy, 10-20 cm. long; inflorescence a 
widely spreading cyme more or less papillose; pedicels slender, 2-3 mm. long; calyx deeply 
cleft, the lobes ovate, 2 mm. long, obtuse; petals 5, white, lanceolate, acuminate, 5 mm. 
long; anthers dark-colored; carpels spreading, papillose-roughened, tipped by long, 
slender styles. 
Stouter than S. alamosanum, and with more flattened, papillose leaves, and white 
flowers. 
TYPE LOCALITY: San Ramén, Durango. 
DISTRIBUTION: Known only from the type locality. 
Sedum moranense. 
Omit the synonym. 
Add the variety: Sedum moranense arboreum (Masters) Praeger, Jour. Bot. 55: 211. 
1917. Sedum arboreum Masters, Gard. Chron. II. 10: 717. 1878. Stems low but erect, 
15-20 cm. high; otherwise similar to the type. 
Insert: 
7a. Sedum Liebmannianum Hemsl. Diag. Pl. Nov. 12. 1878. 
Perennial, procumbent and creeping, freely rooting at the joints, with ascending or 
erect branches. Branches when young fleshy, green, when old completely hidden by the 
white bases of the dead leaves; leaves fleshy, narrow, bright-green, 4-6 mm. long, generally 
obtuse, broad at the base; flowers few, in small cymes; pedicels subsessile; sepals linear, 
leaf-like; petals white, spreading; anthers purplish, oblong; scales short, retuse; ovaries 
oblong, erect, longer than the styles. 
TYPE LOCALITY: Yavesia, Oaxaca. 
DISTRIBUTION: Oaxaca. 
ILLUSTRATION: Contr. U. S. Nat. Herb. 13: pl. 56. 
Sedum pulchellum. 
Add to the illustrations: Britt. & Brown, Ill. Fl. ed. 2. f. 2140; Lounsberry, S. Wild 
Fl. 63. 
Sedum Nuttallianum. 
Add to the illustrations: Britt. & Brown, Ill. Fl. ed. 2. f. 2137. 
Insert: 
13a. Sedum flaccidum Rose, Contr. U. S. Nat. Herb. 13: 298. 1911. 
Roots thickened and probably perennial. Stems annual, weak, much branched, 8-10 
em. long, glabrous, green or purplish; leaves alternate, turgid, ovate to linear-ovate in 
outline, 5-10 mm. long; flowers 2-5, rather scattered, forming an open secund raceme; 
pedicels often slender, 5-10 mm. long; sepals nearly distinct, green and leaf-like, nearly 
equal, 2-3 mm. long; corolla widely spreading; petals with a broad flat blade, spoon- 
shaped above and pointed at the apex, white but more or less banded, especially below, 
with red; stamens 10, five borne on the base of the petals, the other five distinct, curved 
outward; scales small, black; carpels at first erect, but in age spreading; styles short. 
TYPE LOCALITY: Tejamon, Durango. 
DISTRIBUTION: Durango. 
Sedum Bourgaei. 
Add to the illustrations: Addisonia p/. 57. 
Sedum stenopetalum. 
Add the synonym: Sedum subalpinum Blankinship, Mont. Agr. Coll. Stud. 1:61. 1905. 
Add to the illustrations: Britt. & Brown, Ill. Fl. ed. 2. f. 2138; Clements, Rocky Mt. 
Fl. pl. 30, f. 8. 
