(502 ) 
“A slender shrub, San Buena Ventura, 1400 ft., Nov. 13, 1901” 
(No. 667). 
Phthirusa robusta sp. nov. 
Glabrous; branches v d 
sharply angled; Boece 2.5-3 cm. "lon ng, stout, channelled above; 
] 
very thick, the lower portion of the midrib channelled on the upper 
surface, the venation obscure; panicles mostly solitary in the axils, 
ow es 
out 5 cm. long and _ broad, cae i oosely branched; 
panicles much enlarged in fruit; berries 1o mm. long, elliptical. 
“Santa Cruz, 5000 ft., Aug. 24, 1902” (No. 1503). 
Phoradendron paucifolium sp. nov. 
Glabrous; stem very short, loosely and widely aang the 
branches slender; petioles very short, broad, margined; blades 
8-12 mm. long, 5-8 mm. broad, ovate, mucronate, thick, ae ee 
very acute; flowers solitary, deeply immersed the 
segments very short; berries 3 mm. long, ae oe pees blue 
stigma half as broad as the fruit. 
““Cargadira, 8000 ft., July 29, 1902” (No. 1530). 
A CEAE 
Aristolochia Williamsii sp. nov. 
Plant minutely puberulent; rhizome stout; stems 5-7 dm. lon 
wea ne. angled; petioles 10-12 m m. lo ong, slender; binds: 
4- ong, 2-3 cm. pe Faseks eae acuminate, obtuse, 
the pais irregular, cordate, the sinus rounded, the basal lobes 
10 mm. long, lightly peers blunt, the body 3- -nerved, the lobes 
2-nerved, the nerves slender, whitish, the reticulation coarse; 
flower about 5 cm. nae a sigmoid-curved, the basal portion 
about 10 mm. broad, sed, the middle portion 
summit of the tube aa ere es the ae 
arched, coarsely pilose; peduncle two-thirds the length of the 
broadly ovoid capsule, which is 2.5 cm. long, exclusive of the stout 
beak, ae is 6m 
“Apolo, 4800 ft., March 10, 1902” (No. 70). 
= 
s) 
} 
fan 
a 
gp 
Og 
5 
oQ 
2, 
a 
