Seed Plants, Ferns, Fern Allies of the Austin Region 7 



LYCOPODIALES 

 SELAGINELLACEAE Selaginella Family 



Selaginella apus Spring. Creeping Selaginella. 



Wet ground along Onion Creek. A delicate creeping, moss-like 

 plant. 



Widespread in eastern North America. 



Selaginella arenicola Underw. 



Abundant in the post oak woods. It has the appearance of a coarse 

 moss with the stem tip upright and tufted. 



Southeastern states. 



GYMNOSPERMS 



FINALES (CONIFERALES) 



JUNIPERACEAE Juniper Family 



fax-odium distichum L. C. Rich. Cypress, Swamp Cypress, Bald 

 Cypress. 



Along the Colorado River, and on Onion Creek. 



A large and beautiful deciduous conifer tree, abundant in the 

 cypress swamps of east Texas. Occurring in similar habitats in the 

 Atlantic and Gulf coastal regions and in the southern Mississippi 

 Valley. 



Sabina sabinoides Small. (Juniperus sabinoides Sargent) Mountain 

 Cedar. 



Abundant on limestone hillsides, especially of the Edwards Plateau, 

 often forming pure cedar forests. 



A Texas and New Mexican species, probably derived from S. \i - 

 giniana. 



Sabina virginiana Antoine. {Juniperus virginiana L.). Red Cedar. 



Occasional in the valleys, and in the more moist woods with S. sabi- 

 noides. The berries are smaller than those of the preceding species 

 and the twigs more slender. 



The common red cedar of the eastern states. 



GNETALES 

 GNETACEAE Gnetum Family 



Ephedra nevadensis Wats. Joint Fir. 



A leafless shrub with slender, jointed, green branches, found in a 

 few places on the bluffs of the Colorado River and Bartcn Creek. 



A characteristic plant of the arid southwest. 



