178 CAT.IFORNIA ACADEMY OF SCIENCES. 



620. Trachypogon polymorphus Hook. — Sierra de 

 San Francisquito. 



621. Heteropogon acuminatus Trin. — Sierra de 

 San Francisquito. 



622. Hetropogon contortus R. & S. — San Jose 

 del Cabo, La Paz. 



623. Andropogon meeanocarpus Ell. 



624. Andropogon hirtifeorus Kunth. — Sierra de 

 San Francisquito. 



625. Aristida ScMEiDiANA Trin. — Sierra de San 

 Francisquito. 



626. Aristida Orcuttiana Vasev. — Todos Santos, 

 San Jose del Cabo. 



627. Aristida CALiFORNicAThurber, var. glabrata. 

 Differs from the type in its larger size, more spreading 

 and branched habit and shorter awned flowering glumes, 

 yet appears to be too near for a new species. It has the 

 awn jointed to the glume. — San Jose del Cabo. Todos 

 Santos. 



628. Aristida dispersa Trin, — Collected at La Paz 

 by Dr. Palmer. 



629. Aristida tenuis Kunth. — San Jose del Cabo. 



630. MuHLENBERGiA GRANDis Vasey. — Sierra de San 

 Francisquito. 



631. MuHLENBERGiA DEBiLis Trin. — Dr. I'almer at 

 La Paz. 



632. Perieilema crinita Presl. — Sierra de San 

 Francisquito. 



633. Sporobolus Wrightii Thurb. ? Specimens too 

 old. San Jose del Cabo. 



634. Chloris elegans HBK. — Dr. Palmer at La 

 Paz. 



