58 PROCEEDINGS OF THE AMERICAN ACADEMY. 



Ccrdia truncatif olia Bartlett, n. sp., arborea 5-7 m. altitudine ; 

 ramulis 2-3 mm. crassis liexuosis juventate griseo-ferrugineis pubes- 

 centibus aetate griseis glabris ad nodes incrassatis ; folionim cica- 

 tricibus reniformibus vel in ramulis vetustioribus lunatis, interdum 

 gemma accessoria inter cornua infra gemmam normalem praeditis ; 

 foliis late ovatis maximis infra mediam 5 cm. latis 7.5 cm. longis inte- 

 gerrimis vel apicem versus crenato-dentatis basi obtusis truncatis apice 

 plerumque abrupte acutis supra scabris atroviridibus subtus velutino- 

 pubescentibus griseo-viridibus, petiolis quam 8 mm. brevioribus ; 

 cyma dichotoma pauciflora foliis breviore omnino ferrugineo-pubes- 

 centi ; pedicellis gracilibus 2-7 mm. longis ; calyce campanulato ca. 1 

 cm. longo juventate 5 mm. diametro ad fructus maturitatem plus 

 minusve inllato 5-nervato 5-laciniato, laciniis irregulariter angusto- 

 deltoideis ; corolla alba (1) infundibuliformi 15 mm. longa extus intus- 

 que puberula usque ad mediam 5-lobata, tubo brevi, lobis rotundis 7 

 mm. latis ; staminibus 5 baseis loborum vix attingentibus, filamentis 

 5 mm. longis ; stylo stamina aequante apice bis bifido ; drupa (imma- 

 tura) ovoidea minute puberula mucronata calyce inclusa. — Zacapa, 

 Department of Zacapa, Guatemala, January 23, 1905, C. C. Deam, 

 no. 160 (type, in hb. Gray). In no. 160", collected at the same local- 

 ity, the flowers and foliage are greatly reduced in size, a variation no 

 doubt purely ecological. The shape of the leaves, which are remarkably 

 like those of Polygonum cuspidatum Sieb. et Zucc, sufhces to distin- 

 guish Cordia trimcatifolia from all other species of Sehestenoides. 



Russelia rugosa Eobinson, n. sp., fruticosa; ramis ramulisque 

 6-angularibus tomentello-puberulis pallide griseis ; internodiis 5-8 

 cm. longis ; foliis oppositis vel ternis late ovatis obtusiusculis grosse 

 crenato-serratis basi integerrimis cuneatis supra scabris valde rugosis 

 atroviridibus subtus vix pallidioribus laxe reticulato-venosis breviter 

 pubescentibus 5.5-8 cm. longis 2.6-4.8 cm. latis, petiolo crassiusculo 

 5 mm. longo supra canaliculato pubescenti ; cymulis subsessilibus 

 axillaribus verticellastros parvifloros formantibus ; calycis lobis lanceo- 

 lato-line9.ribus angustissimis caudato-attenuatis sordide pubescentibus 

 nigrescentibus 5-6 mm. longis ; corolla tubiformi verisimiliter coccinea 

 11-12 mm. longa pubescenti ; capsula ovoidea nigrescenti levi nitida 

 4 mm. longa. — Gualan, Department of Zacapa, Guatemala, alt. 128 m., 

 18 January, 1905, C. C. Dmm, no. 183 (type, in hh. Gray). A species 

 pretty well marked in the genus by its large and very rugose leaves. 



Tetramerium gualan ense Robinson & Bartlett, n. sp., suffruti- 

 cosum 1 m. altum ramosum, novellis viscoso-pub^scentibus ; caulibus 

 subquadrangularibus lilacino-griseis minute albido-maculatis maturitate 

 subglabratis ; foliis oppositis petiolatis membranaceis subconcoloribus 



