Part 1, 1905] CRASSULACEAB 51 



7. Altamiranoa Batesii (Hemsl.) Rose, Bull. N. Y. Bot. Gard. 3 : 32. 1903. 



Cotyledon Batesii Hemsl. Diag. PI, Nov. 1 : 9. 1878. 



Perennial, suffrutescent at base, with rather short (1-1.5 dm. long), spreading, red- 

 dish branches. !Leaves on short sterile branches in dense rosettes, on flowering branches 



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linear, terete, or nearly so, 1 cm. long, acute, tuberculately roughened, in age curved back- 

 ward and sometimes even reflexed ; inflorescence a leafy, few-branched, fiat-topped cyme ; 

 flowers sessile; sepals distinct, linear, turgid, green, very unequal, 2-4 mm. long; corolla 



4 mm. high, the lobes widely spreading, ovate, white except a green or purplish stripe on 



back but dr5dng purplish, the tube about 1 mm. long ; stamens all borne on the corolla, 



about half as long as the lobes ; 'scales small, purple. 



Type locality : Mexico. 

 Distribution : Central Mexico. 

 Illustration : Biol. Centr. Am. Bot. pi. 19. 



] 



8. Altamiranoa Galeottiana (Hemsl.) Rose. 



Cotyledon Galeottiana Hemsl. Diag. PI. Nov. 1 : 9. 1878. 



Herbaceous, branching, glabrous. Leaves 12-18 mm. long; fleshy, glabrous, spatu- 



late, petiolate ; flowers white, pedicellate ; corolla-segments united to about the middle. 



Type locality : Mountains of Oaxaca, Mexico. 

 Distribution : Known only from the type locality. 



9. Altamiranoa mexicana (Schlecht.) Rose. 



Umbilicus mexicanus Schlecht. I^innaea 13 : 409. 1839. 

 Cotyledon mexicana Hemsl. Biol. Centr. Am. Bot. 1 : 390. 1880. 



Perennial; stems woody, erect, glabrous. Leaves linear in outline, glabrous, 4-8 mm. 



long, obtuse ; inflorescence cymose ; sepals filiform, shorter than the corolla ; corolla white, 



campanulate, its lobes acuminate, united at base into a short tube. 



Type locality : Mineral del Monte, Hidalgo, Mexico. 

 Distribution : Known only from the type locality. 



10. Altamiranoa scopulina Rose, Bull. N. Y. Bot. Gard. 3: 32. 1903. 



Glabrous throughout. Stems more or less creeping and much branched, the lower parts 



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covered with whitish scales (bases of old dead leaves); leaves linear, nearly terete, 4-6 mm. 

 long, sessile and vnth a free projection down the stem, closely set but scarcely imbricate; 

 flowers few, near the tops of the branches, sessile or short- pedicelled ; sepals leaf-like, 

 shorter than the petals, somewhat unequal ; corolla- segments pure white, oblong, acute, 



5 mm. long, slightly united at base, nearly flat ; appendages minute ; stamens shorter than 

 the corolla. 



Type locality : Rocky hills near Tepeaca, south of Puebla, Mexico. 

 Distribution : Known only from the type locality. 



11. Altamiranoa fusca (Hemsl.) Rose, Bull. N. Y. Bot. Gard. 3: 33. 1903. 



Sedumfuscum Hemsl. Biol. Centr. Am. Bot. 1 : 395. 1880. 



JDescribed as an annual but perhaps a biennial or possibly a perennial, diffusely branch- 

 ing, 1 dm. high or less. Leaves broadly oblong, fleshy, 4-6 cm. long, obtuse ; inflorescence 

 cymose ; pedicels 2 mm. long or less ; sepals distinct, free at base ; corolla- segments white, 

 united for one-fourth their length. 



Type locaxity : San Luis Potosi, Mexico. 

 Distribution : Type locality and vicinity. 



12. Altamiranoa chihuahuensis (S. Wats.) Rose, Bull. N. Y. 



Bot. Gard, 3: Z3. 1903. 



Sedum chihuahuense S. Wats. Proc. Am. Acad. 23 : 273. 1888. 



Described as annual but producing small tubers, simple below, branching above, 7-15 

 cm. tall. Leaves sessile, oblong or oblong-lanceolate, obtuse, 2-3 mm. long ; corolla-seg- 

 ments white, united at base, oblanceolate, 4 mm. long ; carpels divergent above. 



Type locality : Rocky ledges, Sierra Madre of Chihuahua, Mexico. 

 Distribution : Known only from the type locality. 



