STUDIES IN PORTULACACE^. 87 



Cotyledons incumbent . 



Calyptridium. 

 Monocosmia. 

 Sylvia. 

 Spraguea. 



Lewisia brachycalyx. 

 Claytonia ambigua. 

 Claytonia rupestris. 

 Calandrinia maritima. 

 And all the species examined of Portulaca and Talinum. 



Cotyledons accitnihent. 



Montia fontana. 



Claytonia perfoliata and all its varieties, parviflora, spa- 

 thulata, etc. 



Claytonia Sibirica. 



Claytonia Chamissonis. 



Claytonia linearis. 



Claytonia lanceolata. 



Lewisia rediviva. 



Calandrinia pygm^a. 



Calandrinia oppositifolia. 



Calandrinia Columbiana. 



Calandrinia Menziesii, somewhat oblique. 



Calandrinia Breweri, " 



Cotyledons oblique. 



Claytonia parvifolia. 

 Claytonia diffusa. 

 Claytonia megarrhiza. 

 Lewisia Kelloggii. 

 Calandrinia Nevadensis. 

 Calandrinia Cotyledon. 

 Calandrinia Howellii. 



