58 PBOCEEDINQfi OP THE A.MKKION ACADEMY. 



Ccrdia truncatifolia Bartlett, n. sp., arborea 5 7 m. altitudine; 

 ramulia 2-3 nun. crassia flexuoaia juventate griseo-ferrugineis pul 

 centibus aetate griaeia glabris ad nodos incrassatis ; foliorum eica- 

 tricibus reniformibu8 vel in ramulia vetuatioriboa Lunatis, interdtim 

 gemma acce88oria inter comua intra gemmam aonnalem praeditia ; 

 foliia late ovatis maximis infra mediam 5 cm. latia 7.5 cm. Longi8 inte- 

 gerrimia vel apicem versus orenato dentatia basi obtusia trnncatis apioe 

 plerumque abrupte acutis supra scabria atroviridibua Bubtua velutino- 

 pabescentibaa griseo-viridibus, petiolia quam 8 nun. brevioribua ; 

 cyrna dichotoma pauciflora foliis breviore omnino ferrugineo-pubes- 

 oenti; pedicellia graoiliba8 2-7 mm. longis; calyce campanulato ca. t 

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

 minusve intlato 5-nervato ■"> laciniato, laciniis irregulariter anguato- 

 deltoideis; corolla alba (?) infundibuliformi 15 mm. longa extua intua- 

 que puberula usque ad mediam 5 lobata, tubo brevi, lobia rotnndia 7 

 mm. latia; staminibus 5 baseis loborum vix attingentibus, nlamentis 

 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, lii<>:>, 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., suffices to distin- 

 guish Cordia truncatifolia from all other species of Sebestenoid 



Russelia rugosa Robinson, n. sp., fruticosa ; ramia ramulisque 

 6-angularibua tomentello-puberulis pallide griseis; internodiia 5-8 

 cm. Longis; foliia oppositis vel ternia late ovatis obtusiusculis grosse 

 crenato-serratis basi integerrimis cuneatia supra Bcabris valde rugosis 

 atroviridibus subtus vix pallidioribus laze retioulato venosia brevi ter 

 pubeacentibua 5.5-8 cm. longis --'.r.-l.s cm. Litis, petiolo crassiusoulo 

 5 mm. longo supra canaliculate pnbescenti ; cymulis subsessilibua 

 axillaribus verticellastros parvifloroa formantibas ; calycis Lobia lanceo- 

 lato-linearibus angustissimis caudatu-attenuatis sordide pubescentibus 

 oigrescentibus .". i; mm. longis; corolla tubiformi verisimiliter cocci nea 

 11-12 mm. longa pnbescenti; capsnla ovoidea Digrescenti levi uitida 

 1 mm. longa. — Gualan, DepartnuMit of Zarapa, Guatemala, alt 128 m., 

 18 January, 1905, C. C. Deem, no. 183 type, in hb. Gray). A ape 

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



Tetramerium gualanense Robinson & Bartlett, n. ap., suflruti- 

 cosum l in. altmn ramoeum, novellia vi8Coso-pubescentibus ; caulibus 

 subquadrangularibua lilacino-griseia minute albido-maculatis matuntate 

 subglabratis ; foliis oppositis petiolatis membranaceis subconcoloribus 



