STANDLEY TREES AND SHRUBS OF MEXICO. 771 



Carpels not awned ; leaves cordate at base. 



Petals erect ; carpels of the fruit with fleshy pericarp 4. M. malacophylla. 



Petals spreading; carpels dry. 

 Bractlets lanceolate or ovate. 



Bractlets lanceolate, about twice as long as the calyx. 5. M. chiapensis. 



Bractlets ovate, equaling or shorter than the calyx 6. M. nepetaefolia. 



Bractlets linear. 



Fruit deeply lobed, the carpels scarcely coherent 7. M. lasiopetala. 



Fruit not lobed, the carpels adnate to each other. 

 Calyx finely stellate-pubescent ; bractlets not ciliate ; stamen column 



with several large appendages at base 8. M. melanommata. 



Calyx hirsute; bractlets long-cilia te ; stamen column not appendaged. 



Carpels glabrous or scaberulous 9. M. paniculata. 



Carpels densely pubescent 10. M. purpusii. 



1. Malache rosea (Schlecht.) Kuntze, Rev. Gen. PI. 1:71. 1891. 

 Pavonia rosea Schlecht. Linnaea 11: 355. 1837. 



San Luis Potosf, Veracruz, Oaxaca, and Chiapas ; type from Hacienda de la 

 Laguna, Veracruz. West Indies, Central America, and South America. 



Shrub, about a meter high, the branches stellate-pubescent; leaves short- 

 petiolate, rhombic-obovate or obovate-oblong, 4 to 18 em. long, acute or acumi- 

 nate, dentate, minutely stellate-pubescent; flowers mostly clustered at the ends 

 of long peduncles ; bractlets linear ; petals pink, about 12 mm. long. " Mozote " 

 (Guatemala). 



2. Malache arachnoidea (Presl) Kuntze, Rev. Gen. PI. 1: 70. 1891. 

 Pavonia arachnoidea Presl, Rel. Haenk. 2: 129. 1836. 

 Guerrero ; type from western Mexico, probably from Acapulco. 



Stems slender, stellate-hirsute ; leaves long-petiolate, ovate-lanceolate, 3 to 

 6.5 cm. long, long-acuminate, serrate-dentate, coarsely stellate-pubescent ; 

 flowers mostly axillary, long-pedicellate ; bractlets subulate, hirsute ; petals 

 about 12 mm. long. 



3. Malache spinifex (L.) Kuntze, Rev. Gen. PI. 1: 70. 1891. 

 HiMscus spinifex L. Syst. Nat. ed. 10. 1149. 1759. 

 Pavonia spinifex Cav. Monad. Diss. 133. 1787. 



Pavonia lanceolata Schlecht. Linnaea 11: 356. 1837. 



Veracruz and Oaxaca. Florida, West Indies, Central America, and South 

 America. 



Shrub or herb, 0.5 to 4 meters high, the branches pilosulous; leaves short- 

 petiolate, oblong or lonceolate, 2 to 7 cm. long, acute, serrate, thinly pubescent; 

 flowers mostly axillary, long-pedicellate; bractlets linear-lanceolate; petals 

 yellow, 14 to 16 mm. long. " Cadillo espinoso " (Porto Rico); " pajarito 

 amarillo " (Colombia) ; "cadillo amarillo " (Santo Domingo). 



4. Malache malacophylla (Nees & Mart.) Standi. 



Lopimia malacophylla Nees & Mart, in Curtis's Bot. Mag. pi. J^365. 1848. 



Pavonia malacophylla Wright; Hemsl. Biol. Centr. Amer. Bot. 1: 117. 1879, as 

 synonym. 



Oaxaca. Cuba and South America. 



Shrub, the branches densely stellate-tomentose ; leaves rounded-cordate, 10 

 to 18 cm. long, acute or obtuse, often angulate, denticulate, velvety-tomentose ; 

 flowers chiefly axillary; bractlets about 18, linear, hirsute; petals purple-red, 

 3 to 3.5 cm. long. 



In general appearance the plant is much like some species of Malvaviscus. 

 It was reported by Hemsley as Pavonia velutina St. Hil. 



