i8 FIELD COLUMBIAN MUSEUM BOTANY, VOL. i. 



NECTANDRA, Roland. 



N. Willdenowiana, Nees. 



Island of Cozumel (Gaumer, 1885), varietates, Hemsley. 



CASSYTHA, Linn. 



C. filiformis, Linn. 



Cassytha Americana, Nees. Island of Holbox (Gaumer, 1886). 



PAPAVERACEAE. 



ARGEMONE, Linn. 



A. Mexicana, Linn. Cardosanto. 



About the huts and streets of Cedral, Island of Cozumel 



Jan. 5, 1895, (34); also collected here by Dr. Gaumer in 

 1885-6. A garden we*ed in Merida and Izamal. 



CRUCIFERAE. 

 CAKILE, Gaertn. 



C. aequalis, L'Her. 



Cakile maritima, Rich. Island of Mugeres, on the sands of 

 the beach together with Tournefortia gnaphalodes forming the 

 first verdure back from the sea. North Point and near the Campo 

 Santo of Dolores, Jan. i, 1895 (13), also collected here by Dr. 

 Gaumer in 1885. Progreso, in the same situation and associa- 

 tion, Jan. 26, 1895. 



A form of this species, Island of Cozumel {Gaumer, 1885). 



CAPPARIDACEAE. 



CAPPARIS, Lino. 

 C. amygdalina, Lam. 



Yucatan, loc. ignot. {Limteii). 



CRATAEVA, Linn. 



C. Tapia, Linn. 



Tree 20 to 25 feet; woodlands about Izamal, Jan. 23, 1895 (187)- 



CRASSULACEAE. 

 BRYOPHYLLUM, Salisb. 



B. pinnatum (Lam.) S. Kurz. 



Cotyledon pinnatum, Lam. Bryophyllitm calycinum, Salisb. Plen- 

 tiful on the north aspect of the Cerro Grande, Izamal, Jan. 13, 

 1895 (62). A dense growth of this species masses the ground 

 about the east margin of the Cenote of Ix-Kil, Chichen Itza. 

 Island of Cozumel {Gaumer, 1885). 



