ROBINSON AND BARTLETT. — PLANTS FROM GUATEMALA AND MEXICO. 59 



scabriusculis ovatis acute subcaudateque aouminatis integerrimis, 

 limbo 6-8 cm. longo 3.5-6 cm. lato pinuatim nervatis basi acutis in 

 nervis sparse puberulis aetate glabratis cystolithis conspicuis instructis, 

 petiolo 1.5-2.5 cm. longo gracili supra canaliculate puberulo subtus 

 rotundato glabro ; spicis subdensis 2.5-4.5 cm. longis 1.3 cm. crassis 

 ramulos oppositos terminantibus ; bracteis obovatis cuneatis integer- 

 rimis acutis 5-nerviis utrinque glanduloso-pubescentibus 1 cm. longis 

 5 mm. latis, basi attenuatis ; bracteolis binis oblanceolatis acutis cym- 

 biformibus 9-10 mm. longis basi attenuatis in latere altero usque ad 

 mediam in altero vix supra basin connatis ; calyce 5-partito, lobis 

 anguste lanceolatis acutissimis apice hispidulis ; corolla subaequaliter 

 4-partita alba 1.5 cm. longa glabra, lobis anguste oblongis obtusis ca. 

 9 mm. longis ; staminibus 2 lobos corollae subaequantibus in summo 

 tubo insertis ; antherarum loculis 2 summo subaequi-altis basi loculo 

 uno plus minusve calcarato ; stylo clavato ; stigmate bifido ; capsula 

 obovata acuminata glabra valde compressa ca. 2 mm. longa ca. 2 mm. 

 lata, stipite obcompresso 2 mm. longo ; seminibus 2 lenticularibus 

 fulvis 2.6 mm. longis in latere interiore glabriusculis in latere exteriore 

 crispo-pubescentibus. — Gualan, Department of Zacapa, Guatemala, 18 

 January, 1905, C. C. Deam, no. 397 (type, in hb. Gray). In the form 

 of its inflorescence and bracts this species approaches the members of 

 the genus which have sometimes been separated as Henrya. 

 ■*/ Isertia Deamii Bartlett, n. sp., arbor parva 5 m. alta ; ramis ram- 

 ulisque crassis inferne subteretibus superne obtuse quadrangulis sor- 

 dide tomentosis ; internodiis 4-5 cm. longis ; foliis 2< )-30 cm. longis 

 8-11 cm. latis utrinque acutis supra glabris subtus griseo-tomentosis, 

 petiolo limbis 10-plo breviore ; stipulis 6-9 mm. longis triangulis per- 

 sistentibus ; inflorescentia foliis multo breviore paniculata ca. 10 cm. 

 longa, ramulis tomentosis ascendentibus 7-20 mm. longis, pedicellis 

 2-5 mm. longis, bracteis bracteolisque triangulis parvis ; calyce fuscato 

 hemi-ellipsoidali truncate nee distincte dentato ; corolla ca. 30 mm. 

 longa coccinea extus, lobis limbi exceptis, tomentosa, lobis 7 mm. 

 longis obtu satis extus glabris intus lanugine flavo tectis ; staminibus 6 

 inclusis tubo adnatis, antheris circum stigmata connatis ; stylo apice in 

 ramulos sex ca. 6 mm. longos terminanti ; bacca calyce coronata 6- 

 pyrena. — Puerto Barrios, Department of Izabal, Guatemala, 24 

 February, 1905, C. C. Deam, no. 48 (type, in hb. Gray). Isertia 

 Deamii, the third Middle- American species of the genus, is not similar 

 enough to either of the old species to be confused with them. 

 i/ Liabum caducifolium Robinson & Bartlett, n. sp., fruticosum ; 

 caulibus teretibus striatulis griseo-fuscis glabris delapsu foliorum nu- 

 dis, internodiis 6-8 cm. longis ; inflorescentiis laxe corymboso-pan- 



