309 



loner. — In rich vallevs and in tlif mountiiiuH aljout MauzaiiUlo December 1 to 31, 

 18!I0. No. 1050. 



Culled 'Tochote" or troe cotton. Dr. Pulniersays: " The flowers are borne 

 at the extremity of the hranches; tlicy are llesliy with a waxy api>earanee, at 

 iirst white, then changin<;to brown (snulT cohn-) before falling." 



This species seems nearcNt C. rositi Schnni., bnt is iH>t so tall and lias larger, 

 dirt'ereutly colored flowers. We have ftdlowed 1 tr. K. Schniuann in taking np the 

 name Ceiha in ])lace of Jiriodrndron. 



STERCULIACE^. 



Physodia corymbosa Presl, Relici- llaeuk. ii. 15(1, t. 72 (1836). About 10 feet high 

 with a few weak stems leaning for su]tport on adjacent shrubs. Colima, Febru- 

 ary 27 and 2«, 1891. Xo. 1372. 



Palmers plant from Jali.scn (No, 8()), \HHi\, has acuminate sepals and may be 

 designated variety acuminata viir. nov. Dr. K. Schumann refers this genus 

 to Mdochia in Knglcr &, Prantl, I'fianzenf. iii. teil. 6 abt. 80, Init it seems 

 very distinct from our ilexican and North American sj)eci('s of that ,a:enuH. 



Melochia pyramidata L. Sy«t. ed. 10. ii. UlO ( 1759). This plant has several slender 

 stems from the base : flowers ])ink. Common in level places at the base of the 

 mountains. Mauzanillo, December 1 to 31, 18it0. No. 912. 



Melochia plicata Pre.sl, Keliq. llaenk. ii. 14.5 (183C). Few stems from the base, 

 erect, 5 feet high or less: ilowors rose-<'oh)red. Common on the sides of the 

 mountains. Mauzanillo, December 1 to 31, 1890. No. 956. 



This seems to be tlieold species collected by Haenke at Acapulco, which, ko far 

 as I can learn, has not since been f()uu<l. 

 Its resemblance to AL /owie»io«rt is striking, but it is easily distinguished by 



the fruit. 

 Waltheria detonsa (Jray, PI. Wright, ii. 24 (1853). Partly prostrate. A conumm 

 plant betwceu the mountains and the lagoon, Mauzanillo, December 1 to 31, 



1890. No. 1039. 



Waltheria americana L. Sp. PI. ed.2. ii. 941 (1703). A common plant about the 

 lagoon at the base of th.> mount.iins. The Mexicans use a decoctimi of the 

 leaves for washing wounds. Manzanillo, I)ei;ember 1 to 31, 1890. No. 901. 



Guazuma ulniifolia Lam. Kncyc. iii. 52 (1789). A medium-sized tree, 25 feet high 

 and 1 foot in diameter. Manzanilh), December 1 to 31, 1890. No. 960. 



It is called ''(luacima," and is used in many ways by the Mexicans as a medi- 

 cine. The fruit is often eaten. 



Ayenia manzauilloana Rose, sp. nov. Frnticosc : leaves lanceolate, acute, serrate, 

 10 to 20 lines long, slightly pubescent: flowers 1 to 5 in Ibe axils of the upper 

 leaves: peduncles (pedicels) 4 to8 1ineshmg: sepals ovate, acute: petals with 

 2 small teeth close to the point of union with stanun:il cup, and with a long 

 appendage on the back tipped with brown ; iinthers 3-celled: ovary on a stipe, 

 1 line long, glabrous exce^jt the numerous brown glands.— Very comunm in the 

 mountains. Manzanillo, December 1 to 31, 1890. No. 940. 



Ayenia pusilla L. Syst. ed. 10. ii. 1247 (1759). C<mnnon in shade near the lagoon. 

 Manzanillo, December 1 to 81, 1890. No. 976. 



Buettneriacarthagenensis.lac(,.Stiri..Amer.Pict.41(1780). Mun/.n.illo, December 



1 to 31, 1890. Jso. 1026. 



TILIACE-ffi. 



Triumfetta semitriloba L. Mant. i. 73 (1767). Variable in height u]* to 5 feet. 

 In various p;ir1s of the mountains. Manzanillo, December 1 to 31,1890. No. 



902. 



It is called ''Abi-ojo." The roots are used htr diseases of the liver, kidneys, 



and spleen. 



