LOBIVIA. 57 
Type locality: Andalgala, province of Catamarca, Argentina. 
Distribution: Western Argentina. 
This plant has passed as a variety of Cereus huascha, now Trichocereus huascha, but the 
two are so unlike that we have referred them to different genera. Both species are still 
little known and further study of them is much desired. 
Figure 72 is from a photograph contributed by Dr. Spegazzini; figure 75 shows a 
flower collected by Dr. Shafer between Andalgala and Concepcién, Argentina, in 1917 (No. 
27). 
15. Lobivia haematantha (Spegazzini). 
Echinocactus haematanthus Spegazzini, Anal. Mus. Nac. Buenos Aires IIT. 4: 498. 1905. 
Somewhat depressed, globose, 5 cm. high, 6 cm. in diameter, greenish, somewhat shining ; ribs 11, 
somewhat tuberculate, obtuse; areoles nearly circular, 5 to 6 mm. in diameter, white-felted; radial 
spines 6 to 8, slender, 5 to 10 mm. long, more or less appressed; central spines 3, stouter than the 
radials, 5 cm. long, pale gray with yellowish tips; flowers 3 to 4 cm. broad; inner perianth-segments 
obovate to spatulate, obtuse, purplish; stigma-lobes 9 to 12, white; scales on ovary and flower-tube 
long-woolly. 
Fic. 73.—Lobivia haematantha. Fic. 74.—Lobivia thionanthus. 
Type locality: Near Amblaio, province of Salta, Argentina. — 
Distribution: Known only from the province of Salta, Argentina. 
We know the plant only from photographs and the description. 
Figure 73 is from a photograph contributed by Dr. Spegazzin1. 
16. Lobivia grandiflora sp. nov. 
indri in di . long; ribs about 14, areoles 
Globose to short-cylindric, 7.5 to 10 cm. 11 diameter, 15 to 20 cm ; Tibs a . es 
about 1 cm. apart; spines about, ° 5, slender, subulate, about 1 cm. long, yellowish; flow cs funnel 
form, ro cm. long; perianth-segments narrow, acuminate, 4 to 5 cm. long, pink; scales on the ovary 
narrow, 10 to 12 mm. long, a little hairy in their axils. 
Collected by J. A. Shafer between Andalgala and Concepcién, Argentina, December 
28, 1916, altitude 1,750 meters (No. 28). 
The showy pink flowers of this plant are larger t 
which we have included in this genus. 
17. Lobivia thionanthus (Spegazzini). 
Echinocactus thionanthus Spegazzini, Anal. ) 
_ _ Plants usually solitary, globular to short-cy] 
in diameter; ribs usually 14, low, slightly undu 
short-elliptic; spines subulate, grayish or with brownish tip, about equal, 10 
han those of any of the other species 
{us. Nac. Buenos Aires IIT. 4: 499. 1905. 
indric, grayish green, 5 to 12 Cm. high, 6 to 10 cm. 
late and divided into indistinct tubercles; areoles 
to 15 mm. long; flowers 
