184 Crassulaceae 



1. SEDUM 1.. 



Fleshy mostly glabrous erect or decumbent herbs 

 with mostly alternate entire or dentate leaves and per- 

 fect flowers in terminal often L-sided cymes, Calyx 

 1 5-lobed. Petals 4-."). distinct. Stamens 8-10, perigy- 



QOUS, the alternate ones usually attached to the petals, 

 their filaments filiform or subulate. Scales of the recep- 

 tacle entire or emarginate. Carpels distinct or united 

 at the base : styles short. 



1. S. obtusaturn Gray, (ilaucous and often mealy, from a 

 branched rooting caudex, 10-15 cm. high, simple; leaves very 

 thick, obovate or spatulate, flat, 16-20 mm. long; cymes of rather 

 numerous scattered branches; pedicels 2-4 mm. long; petals 

 oblong-lanceolate or obovate, acute, pale yellow, 6-8 mm. long, 

 little exceeding the stamens and style; calyx broadly campanu- 

 late, sepals 3-4 mm. long, broad, obtuseish. 



Mount Disappointment, Davidson. 



2. S. spathulifolium Hook. Similar in habit to the last, but 

 the cyme approximate; pedicels shorter or the flowers sessile; 

 sepals 3 mm. long, ovate, acute; petals yellow, lanceolate, acute, 

 6-8 mm. long, scarcely exceeding the stamens and style. 



Lytle Creek Canyon near the falls. 



2. HASSEANTHUS Rose. 



Stems several, arising from small globose or oblong 

 corms. Basal h-aves linear, terete, narrowed below into 

 flattened petioles; stem-leaves narrowly ovate, turgid 

 but somewhat flattened. Calyx 5-lobed. Corolla-seg- 

 ments united at base into a short tube, yellow or 

 white changing to purple. Carpels 5, united at base, 

 widely spreading. 



1. H. elongatus Rose. Stems slender, 10-15 dm. high ; leaves 

 linear, elongated, not at all variegated; cyme branches simple, 

 widely spreading, 2-4 cm. long; calyx-lobes oblong; corolla 

 bright yellow. 



Described from specimens collected In the San Joaquin mils by tho 

 author What seems t" i>>- tin- samr has also been collected in the Santa 

 Ana Mountains by Helen D. Geis. 



