COULTER AND ROSE—NORTH AMERICAN UMBELLIFERAE. 125 
Specimens examined: 
NortH CaARo.ina: Type specimens as cited under type locality. 
Louistana: New Orleans, Joor. 
4, Lilaeopsis schaffneriana (Schlecht.) C. & R. Bot. Gaz. 24: 48. fig. 3. 
1897. Fig. 39. 
Crantzia schaffneriana Schlecht. Linnzea 26:370. 1853. 
Leaves when growing in drier places 
almost filiform and short, 6 mm. long; 
when growing in water elongated 
linear, 20 to 30 em. long; peduncles 
very short; fruit oblong, the dorsal 
ribs obtuse. 
Type locality, ‘in lacu [laguna] ad 
urbem Mexico,” near Chapultepec, 
Mexico; collected by Schaffne. 
Fig. 39.—Lilaeopsis schaftneriana. ~ Southern Arizona, and southward 
through Mexico to Chile. 
Specimens examined: 
Arizona: Santa Cruz Valley near Tucson, Pringle, May 19, 1881; springs in 
Huachuca Mountains, Lemmon, August, 1882. 
39. PODISTERA Watson, Proc. Am. Acad. 22: 475. 1887. 
Calyx teeth prominent. Fruit flattened laterally, elliptic-ovate, 
glabrous. Carpel oblong-pentagonal in 
cross section, the ribs slender and dis- 
tinct. Stylopodium depressed; styles 
long and ribbon-like. Oil tubes 2 or 3 
in the intervals, 6 on the commissural 
side. 
A dwarf cespitose acaulescent peren- 
nial, with pinnately parted leaves, no 
involucre, involucels of foliaceous 3 to 
5-cleft bractlets (by the reduction of the rays often forming a false 
involucre), and white or pinkish flowers. 
A monotypic genus (based on Cymopterus nevudensis Gray) found as 
yet only near the top of Mount Dana, California. 
ws YF a 
Fig. 40.—Podistera nevadensis: 
a, x 6; b, & 12. 
1. Podistera nevadensis (Gray) Watson, Proc. Am. Acad. 22: 475. 
1887. Fic. 40. 
Cymopterus nevadensis Gray, Proc. Am, Acad, 6: 536, 1865, 
Puberulent; caudex with numerous very short crowded branches 
bearing tufts of leaves; leaves small, 6 to 8 mm. long, rather thick, 
the 3 to 7 lanceolate segments acute and entire; peduncles short, but 
exceeding the tufts of leaves; umbels of 3 to 5 umbellets which are 
