204 
AMERICAN JOURNAL OF BOTANY 
Table i (Continued) 
[Vol. 8 
Species 
Habitat 
Occurrence 
Zones 
S. neomexicana Gray 
S. rhombifolia L. 
S. spinosa L. 
S. tragiaefolia Gray 
Sphaeralcea cuspi- 
data Gray 
S. hastulata Gray 
S. incana Torr. 
5. lohata VVooton 
S. pedatifida Gray 
S. pumila Woot. & 
Standi. 
S. subhastata Coult. 
5. tenuipes Woot. & 
Standi. 
Wissadula holose- 
ricea (Scheele) 
Garcke 
W. lozani (Rose) 
Fries 
W. periplocifolia 
(L.) Griseb. 
Mountain slopes. 
Xerophytic. 
Native. 
Common weed in 
waste places. 
Mesophytic. 
Native. 
Rare in woods, com- 
mon weed in fields. 
Mesophytic. 
Native. 
Rocky valleys and 
mountain sides. 
Xerophytic. 
Native. 
Valleys, sandy or clay 
soil. Weed in fields 
Xerophytic. 
Native. 
Sandy and gravelly 
valleys and plains. 
Xerophytic. 
Native. 
Rocky mountain 
slopes, common 
weed in waste 
places. Xerophyt- 
ic. Native. 
Sandy loam valleys, 
rocky slopes, weed 
in waste places. 
Xerophytic. 
Native. 
Sandy and gravelly 
slopes and plains. 
Xerophytic. 
Native. 
Sandy mountain 
slopes. Xerophyt- 
ic. Native. 
Valleys and plains, 
base of mountain 
slopes. Xerophyt- 
ic. Native. 
Rocky mountain 
sides. Xerophyt- 
ic. Native. ' 
Rocky hills and 
mountain slopes. 
Xerophytic. 
Native. 
Open woods, weed in 
fields and along 
roads. Somewhat 
xerophytic. 
Native. 
Open woods, borders 
of woods, weed in 
fields and along 
roads. Mesophyt- 
ic. Native. 
Limpia Canyon in 
Davis Mountains. 
Southeastern Texas. 
Southeastern Texas, 
Gregory, Browns- 
ville 
Alpine. Boquillas. 
Eagle Pass to El 
Paso, Pecos. 
Roma to Del Rio. 
Davis mountains, Al- 
pine, El Paso. 
One plant in Browns- 
ville. Pecos, Rui- 
dosa, Alpine, El 
Paso. 
Laredo, Cotulla, 
Eagle Pass. 
El Paso. 
Pecos, Sierra Blanca, 
Shafter. 
Sierra Blanca, El 
Paso. 
Davis Mountains, 
Balmorhea, Alpine, 
San Antonio. 
Corpus"' Christi and 
Brownsville to 
Laredo. 
Brownsville. 
U. Sonoran. 
Semi-tropical. 
Semi-tropical. 
L. Sonoran, 
U. Sonoran. 
L. Sonoran, 
U. Sonoran. 
L. Sonoran. 
L. Sonoran, 
U. Sonoran. 
Semi-tropical, 
L. Sonoran, 
U. Sonoran. 
L. Sonoran, 
U. Sonoran. 
U. Sonoran. 
L. Sonoran. 
U. Sonoran, 
L. Sonoran. 
L. Sonoran. 
U. Sonoran. 
Semi-tropical, 
L. Sonoran. 
Semi-tropical. 
