284 PROCEEDINGS OP THE AMERICAN ACADEMY 



ruptly expanded into the large exceedingly oblique gibbous-campanu- 

 late throat; limb convolute in the bud, subequally 5-lobed, the lobes 

 short. Stamens 2, exserted, inserted upon the tube, membranously 

 dilated and subpubescent below, each connate with a very short 

 obtuse staminodium ; anthers oblong, dorsifixed, glabrous, the cells 

 parallel. Capsule sessile, subtetragonal and somewhat dorsal ly com- 

 pressed ; cells 6-8-seeded. Seeds orbicular, flat, borne by stout acute 

 retinacula, alternating in 2 rows in each cell. — A tall pubescent shrub 

 with ample ovate leaves. Flowers long-pedunculate in an erect nearly 

 naked cyme. A strongly characterized genus, having the habit of 

 some species of Buellia, but with the lower sepals united into one, 

 two exserted stamens, and the corolla very oblique and inflated. 

 Named with reference to the form of the corolla. 



Louteridium Donnell-Smithii. Twelve to fifteen feet high, 

 sometimes arborescent, the younger branches, foliage and inflorescence 

 soft-pubescent : leaves petiolate, ovate, acute, subcordate at base, finely 

 crenate, 6 to 10 inches long by 4 to 6 wide : cyme a foot long or more ; 

 peduncles 3 or 4 inches long, jointed below the middle ; bracts and 

 bractlets very small or deciduous : divisions of the calyx oblong-lanceo- 

 late, usually acute or acuminate, an inch becoming 1£ inches long; 

 corolla-tube broad, 4 lines long, the saccately inflated gibbous throat 

 (color indeterminate) an inch deep and nearly 1 ^ inches broad, the some- 

 what contracted orifice bordered by the narrow spreading or at length 

 revolute limb : stamens and style long-exserted : capsule narrowly ob- 

 long, an inch long : seeds 2 lines broad. — Near Pansamala in the 

 department of Alta Vera Paz, Guatemala, at .3,800 feet altitude ; 

 Tiirckheim (n. 856), May, 1887. Communicated by John Donnell 

 Smith, Esq., of Baltimore, well known as a zealous botanist, who is 

 making a careful study of Turckkeim's collections from central 

 Guatemala. 



Heliconia Choconiana. Glabrous throughout; stems about 3 

 feet high, sheathed with numerous leaves, the blades of which are ses- 

 sile upon the sheaths, linear-oblong (6 to 10 inches long by about 2 

 broad), acuminate, green and shining: inflorescence deflexed upon the 

 very short peduncle, the rhachis flexuous ; spathes (5 or 6) scarlet, 

 lanceolate, acuminate, about 2 inches long, the lower one empty and 

 usually leafy-tipped: flowers yellowish white, 2 inches long; lower 

 sepal free, the lateral connate with the petals : sterile stamen ovate, 

 abruptly acuminate. — In the Chocon forests at the foot of limestone 

 hills, March, 1885 ; in flower at Cambridge, March, 1887. 



Pleurothallis Blaisdellii. Stem slender, about 2 inches long, 



