42 Contributions to Western Botany. 
cled, leafy racemes, each cluster nearly sessile in the axil of the 
leaf; flower minute, sessile, but base contracted into a stipe; fruit 
prominently 3-4-winged the apex and wrinkled between the 
ribs. Arizona. 
5A Flowers panicled, many,in umbels at the end of pedun- 
cles. 
25. B. annulata Cov. Death Valley Rep. 177. Tall peren- 
nial, stems rather stout with glutinous spot on each internode; 
leaves ovate to oblong-ovate, glandular dotted apd hirsute, irreg- 
ularly toothed or lacerate, 2-3’ long, cordate at base and with 
the flowers and fruit loosely villous; bracts of the inflorescence 
minute; flowers in clusters at the ends of the branches, small, 
with three conspicuously exserted stamens; fruit about 2” long, 
narrowly oblong-pyriform, barely angled by ribs. narrowed at 
oth ends, sometimes smooth. This grows in the Death Valley 
region, California. 
3. ACLEISANTHES Gray. 
Plants of the Larrea Zone of Arizona to Texas and New 
Mexico. 
A, Plants glabrous or nearly so, prostrate to trailing; flowers 
2-6’ long. 
1. A.anisophyllaGray Am. Jour.Sei. 2 14 319. Plants pros- 
trate; leaves oval to ovate, very unequally paired; flower 14-2’ 
long, much longer than the width; fruit 2” long, 10-ribbed. 
Western Texas. 
2. A.longiflora Gray Am. Jour. Sci. 215319. Trailing and 
glabrous plants; leaves deltoid-ovate to rhombic-lanceolate; flow- 
ers white and fragrant; calyx tube 4-5’ long; fruit eylindrieal, 5- 
angled and 10-ribbed, ribs not enlarged above. El Paso, Texas. 
2A. Plants rough-pubescent; Mowers about 2’ long. 
3. A. Wrightii (Gray) B. & H. Am. Jour. Sei. 2 14 318. 
(Pentachrophys Gray.) Plants scabrous and widely spreading: 
