Part 1, 1905] CRASSULACEAB 27 



8. OLIVERANTHUS Rose. 



Oliverella Rose, Bull. N. Y. Bot. Gard. 3 : 2. 1903. Not Oliverella Van Tieghem. 1895. 



Caulescent and much, branched perennial. Ivcaves flat but fleshy. Flowers usually soli- 

 tary (sometimes in pairs), terminating leafy branches. Calyx-lobes unequal, linear, spread- 

 ing. Corolla very large and elongated, its lobes free nearly to the base, thickish. Stamens 

 10. Carpels 5, free, rather short, terminated by long slendef styles. 



Type species, Oliverella elegans Rose. 



1. Oliveranthus elegans Rose. 



Oliverella elegans Rose, Bull. N. Y. Bot. Gard. 3 : 2. 1903. 

 Cotyledon elegans N. E- Brown, Bot. Mag. pi. 7993. 1905. 



Caulescent, 3-5 dm. high, branching throughout, densely pubescent. Leaves closely 

 set near the ends of young branches, gradually falling away below, oblanceolate to spatu- 

 late, thick, but flattened except at base, acute, pubescent, 2-3 cm. long; flowering branches 

 slender, 1 dm. long, with some scattered leaves, but finally becoming naked, terminated by 

 one or two flowers; calyx-lobes linear, spreading, very unequal, green, the longer ones 15 

 mm. long; corolla 2.5-3 cm. long, bright-red except the yellow tips. 



Type locality : Cultivated at Amecameca, near the City of Mexico. 

 Distribution : Mexico. 

 Illustration : Bot. Mag. loc. cit. 



9. LENOPHYLLUM Rose, Smithson. Misc. Coll. 47 : 159. 1904. 



Perennials; branching at base. Leaves a few opposite pairs, clustered near the base, 

 -very thick, somewhat flattened, more or less deeply concave on the upper surface. Inflor- 

 escence erect, of a few equilateral racemes or interrupted spikes, or flower solitary. Calyx 

 of 5 erect equal nearly distinct sepals. Corolla yellow or drying reddish; petals erect, only 

 the upper portion spreading or recurved, narrowed at base and therefore not touching 

 each other. Stamens 10, the five opposite the sepals distinct, the other five borne on the 

 petals. Carpels narrow, erect ; styles slender, at first erect, only a little spreading in age. 



Tj^e species, Sedum guttatum Rose. 



I^eaves obtuse or rounded at apex. 

 I^eaves broad at base, 

 lycaves narrow at base. 

 leaves acute. 



Flowers solitary ; plant 3-4 cm. high. 3. L, pusillum. 



Flowers many ; plant 10 cm. high or more. 



Pairs of leaves distant ; corolla greenish-yellow. 4. Z,. acuhfolium. 



Pairs of leaves not distant ; corolla " rosy yellow." 5. L. texanum. 



1. Lenophyllum guttatum Rose, Smithson. Misc. Coll, 47 : 160. 1904. 



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



Much branched at base, short- caulescent. Leaves 2-4 pairs, glabrous, opposite, 2-3 

 cm. long, thickish, rounded on the back, broadly channeled on the face, of a sage-gray 

 color blotched with purple-black, obtuse ; inflorescence 3- or 4-branched ; pedicels very 



A 



short or wanting ; sepals free nearly to the base, oblong, 3-4 mm. long, equal, green, ob- 

 tuse ; petals narrowly oblong, 5 mm. long, obtuse, yellow but in old flowers drying red- 

 dish, free to the base ; stamens 10, shorter than the petals, the 5 opposite the sepals free 

 to the base, the other 5 borne on the petals, attached about one-third the way up from the 

 base ; scales small, obtuse ; carpels 5, distinct, erect ; styles about as long as the carpels, 

 slightly spreading in age. 



Type locality : Summit of hill at Saltillo, Mexico. 

 Distribution : Known only from the type locality. 

 Illustration : Rose, Smithson. Misc. Coll. 47 : pi. 20. 



2. Lenophyllum Weinbergii Britton, Smithson. Misc. Coll. 47 : 160. 1904. 



Glabrous, pale-green. Plants flowering from cuttings at the height of 5 cm., and in 

 that stage unbranched ; lower leaves rhombic-obovate, very fleshy, trough-shaped, about 

 1.5 cm, long and 1-1.5 cm. wide, narrowed but blunt at the apex, cuneate-narrowed at 



1. Z,. guttatum.. 



2. Z,. Weinbergii. 



