400 PROCEEDINGS OF THE AMERICAN ACADEMY 



half-inch to an inch long: peduncles fascicled, 2-4-flowered, with the 

 slender pedicels equalling or shorter than the petioles : flowers dark 

 brown, the narrowly acuminate sepals 1 to H lines long; blade of 

 petals suborbicular, deeply 2-lobed : stamineal tube broadly funnel- 

 form ; anthers 3-celled : fruit unknown. Tequila, in a deep bar- 

 ranca. (382.) 



BuETTNERiA Carthaginensis, Jacq. Tequila. (385.) 



Triumfetta semitriloba, Linn. Chapala, on hill-tops, among 

 underbrush. (711.) 



Triumfetta brevipes. A shrub, 3 to 5 feet high, densely stel- 

 late-pubescent throughout, the upper surface of the leaves more 

 loosely so : leaves on petioles 1 to 3 lines long, oblong-lanceolate, 

 acuminate, subcordate at base, unequally serrate, 2 to 4 inches long 

 by 1 to 1|- wide: flowers nearly sessile in short axillary corymbs; 

 sepals densely tomentose, shortly apiculate, 4 or 5 lines long; petals 

 a little shorter, yellow, obovate, the claw somewhat pubescent and 

 strongly ciliate with stellately branched hairs : stamens 25 or 30 : 

 style exserted : fruit 3 or 4 lines long, pubescent, hooked -echinate, 

 2-celled, 2-seeded. Rio Blanco, in shaded ravines ; August. (323.) 



Triumfetta Palmeri. A shrub, 4 feet high, somewhat hirsutely 

 pubescent throughout with stellate hairs : leaves nearly sessile, lan- 

 ceolate, shortly acuminate or acute, rounded at base, serrate, greener 

 and hispid with short scattered hairs above, 2 or 3 inches long by ^ 

 to 1 wide : flowers shortly pedicelled in short axillary corymbs ; 

 sepals densely tomentose, apiculate, 4 to 6 lines long ; petals yellow, 

 a third shorter, linear, acuminate, pubescent within at the base : 

 stamens about 15; anthers purple: style equalling the stamens: fruit 

 2^ lines long, tomentose, strongly echinate, 2-celled, 2-seeded. Rio 

 Blanco ; August. (330.) 



Triumfetta insignis. Stout, branching from a woody (?) base, 

 3 feet high, coarsely stellate-pubescent throughout and somewhat 

 hirsute: leaves rhombic-ovate, on stout jietioles (3 to 5 lines long), 

 acutish, slightly cordate at base, serrate with short blunt teeth, 4 to 6 . 

 inches long by 3 or 4 broad, those of the subpaniculate inflorescence 

 oblong : floral bracts linear, acuminate, 3 to G lines long ; pedicels 

 very short : calyx densely pubescent, an inch long, appendaged at the 

 apex ; petals orange, equalling the calyx, oblanceolate, pubescent at 

 base : stamens numerous, as long as the petals, subtended by a thin 

 disk above the conspicuous glands : style exserted : fruit dehiscing 

 loculicidally, 5-valved (valves 3 lines long), 5-seeded, densely covered 

 with straight rigid'y plumose and spinulosely apiculate setae 4 or 5 



