Di'-c. i8g6. Flora of Yucatan — Millspaugh. 301 



Oxalis latifolia H. B. K. , Yala-elel. 



Herb 6 to 8 inches; abundant in gardens at Izamal, IMay to 

 June (585.) 



Our specimens compare better with Spruce's Ecuadorian 

 forms than with Botteri's or Seaton's from Orizaba. 



MALPIGHIACE^. 



Heteropteris Beechyana A. Juss. 



Vine 30 feet, flowers pink; rare, only one plant seen, that 

 about three miles southeast of Izamal, Aug. (892). 



ZYGOPHYLLACE^. 



Guaicum sanctum Linn. Lignum yitae. 



A large tree 60 feet high; common at the port of Silam, April 

 (669). 



Tribulus maxi.mus Linn. Xichiak. 



Prostrate 3 feet, common in waste places near Izamal, Dec. to 

 May (462). 



Tribulus terrestris ctstoil^es (L.) Oliver. Ahrojo. Chanxnuc. 



Everywhere about Progreso, April, 1887 {Millspaugh, jj). 

 Abundant at the port of Silam, April (620). Common at Merida 

 {Valdez,37). 



RUTACE^. 

 Citrus acida Pers. * Limoncillo. 



Tree 20 feet high, extensively cultivated throughout the penin- 

 sula. Izamal, April to May (602). 



Citrus Aurantiu.m Linn. Naranja de Chifia. 



Cultivated throughout the peninsula. Merida, April, 1887 



[Millspaugh, 26). Tree 20 feet high, Izamal, March to June (549). 



Citrus Limetta Risso. Limoncillo dulce. 



Tree 25 feet high, commonly cultivated ; Izamal, Feb. to 

 March (471). 



Citrus vulgaris Risso. Cajera. SuopakaL 



Tree 20 feet high ; cultivated extensivel}' at Izamal, Feb. to 

 June (447). 



Ruta graveolens Linn. Ruda. 



Cultivated and escaped about Merida {^Millspaugh, j8; Valdez, 

 34)- 



SIMARUBACE^. 



Alvaradoa amorphioides Liebm. Palo de Onnigas. Xbesinic-che. 

 Tree 40 to 60 feet high, abundant in forest and brush lands 

 near Izamal, Dec. (347). Common near Merida [Valdez, 100). 



SURIANA MARITIMA Linn. 



Shrub 10 feet high, common at the port of Silam, April (636). 



