Colorado and Mohave Deserts. 
289 
which are represented by species which also extend into the peninsula of 
Lower California are marked by an asterisk *. 
Genera peculiar to the Mohave-Colorado Deserts ) 
Genera abundant und widely distributed in spread letters; rare and local in italics. 
Colorado Desert. | Mohave Desert. Both. 
Northeastern | Northeastern Northeastern 
Element. Element. Element. 
Astephanus. Actinella. Anisocoma. 
Amsonia. Grayia. 
Southeastern Atrichoseris. Piptocalyx. 
Element. *Bouteloua. Tricardıa. 
Wedelia. Cleomella. 
*Argyrothamnia (— Di- *Eurobs. Southeastern 
taxis), Forestiera (= Adelia). Element. 
Ayenia. Glossopetalon (= For- Acamptopappus. 
*Beloperone sellesia). Achyronichia. 
Boerhaavia Glyptopleura. Baileya. 
* Calliandra Kochia. Bernardia. 
Cercidium Lygodesmia. Cladothrix. 
Chloris Monoptilon. 'Hilaria. 
Condalia Phellopterus. *Krameria. 
Dicoria Purchis *Lärrea. 
Fagonia Stanleya. Mohavia. 
Fouquiera a Nolina. 
*Hibiscus * Syntrichopappus. Thamnosma. 
Horsfordia Trichoptilium. 
*Hoffmanseggia. Southeastern 
‚Hofmeisteria. Element. 
Hyptis, Canotia. 
Leptochloa Coleogyne. 
Martynia, Fallugia. 
Psilactis. 
Indefinite. 
Calycoseris, | Sphaeralcea. *Porophyllum. 
Per ylisma. *Olneya. Sesbania. 
Pr alea. *Parkinsonia. * Triodia. 
Ephedra, Pectis. Tribulus. 
„etalon = | * Peucephyllum. Trixis.. [washingtonia). 
rathyrotes, | *Palafoxia. * Washingtonia (= Neo- 
1 
H 
Arehberger, Survey N.-America. 
f ’ i ette 
Kxxyı, Anis, S.B. A Sketch of the Flora of sonthern California. The Botanical Gaz 
19 
