320 Flll.l) Col.LMlUAX MUSKUM — BOTANV, VOL. I. 



Beloperone violacea Flanch. & Linden. 



Herb 3 feet high. Rare, at Buena Vista, Xbac. Flowers deep 

 rose-purple, Aug. (784). 



Blechum Brownki Juss. 



Common in waste places near Merida [Va/dcz, 84). 



Blechum blechoides (Sw.) Hitch. Akabxiu. 



Blechuiii laxitloriim Juss. Herb, 2 feet high, abundant in 

 sliad}' places near Izamal, Jan. to Dec. (358). 



Di.APEDiuM .assur(;kns (L.) Kuntze. Nimis. 



Dicliptera Juss. Shrubby, 6 feet high, very abundant in open 

 lands about Izamal, Nov. to March (413)- "Common throughout 

 the peninsula" [Va/dez, jj). 



TuBiFLOR.A SQU.^MOs.Ji (Jacq.) Kuntze. Xcabalxaan. 



Verl'ena, Jacq. The caulescent form with truncate, long-aristate 

 bracts (Elytraria frondosa H.B. K.): 8 to 12 inches high, common 

 in brush and waste lands about Izamal, July to Feb. (311). 



The acaulescent form with the bracts simply prolonged into an 

 awl-shaped point {E. tridentata Vahl); 2 to 4 inches high, along 

 roadsides at Xcholac, March (537). Near Merida {]'aldez, 68). 



Ruellia albicaulis Bert. Oakalback. 



Shrub, 3 feet high, common in rocky places about Izamal. Oct. 

 to May (360). 



R. paniculaia Linn. Included in Contrib. I, p. 46, is this 

 species. 



Ruellia tuberosa Linn. Maravilla del Mofite. Cabal-yaxnic. 



Herb 12 to 15 inches high, flowers bright blue, abundant in 

 open grounds near Izamal, Jul}' (488, 759). Frequent in waste 

 ground near Merida, x\pri], 1887 {Millspaugh, ij; Valdez, 2j). 



Ruellia Tweedyana (Nees) Griseb? Yamcotil. 



Leaves ovate to ovate-lanceolate, acute or acuminate, obtuse 

 or emarginate, entire or slightl}' repand toothed, slightly and 

 sparsel}- pubescent above, pale and minutely punctulate below, 

 decurrent on the petiole, which is about one-fourth the length of 

 the blade. Inflorescence terminal on the branchlets the i to 2 blue 

 flowers cessile. Calyx deeply 3?-fid, two of the divisions being 

 bifid for one-quarter their legnth; i. e., calyx imperfectly 5-fid. 

 Ovules 4. 



A spreading herb two feet high, common in shady situations 

 near Izamal, Oct. to March (3S4). Common near Merida [J'a/dfz, 

 24). 



SiPHONOGLO.ss.\ sEssiLis Oerst. 



Dianihera sessilis Griseb. Herb i foot high, flowers bright 

 pink. In sheltered places near Izamal, Feb. to June (351). 



Tetr.amerium costaium (A. Gray). 



Henna A. Gray. Herb i to 2 feet high, abundant in brush 

 lands about Izamal, Jan. to May (368). 



