Nova genera et species IV. 27 



Miconia Christii Cogu. (n. sp.) (sect. Chnenophurd) : ramis jiiniori- 

 bus petiolis pedunculisque deuse stellato-fiirfuraceis; foliis mediocribus, 

 coriaceis, satis approximatis, breviuscule petiolatis, oblonge -lanceolatis, 

 breviter acuminatis, basi rotundatis vel paulo angustatis, triplinerviiy 

 fere trinerviis, margine remotiuscule breviterque spiniüoso-denticulatis, 

 supra primum leviter furfuraceis deinde glaberrimis, subtus brevissime 

 et densiusciüe stellato-pubescentibus; pauiculis satis parvis, densifloris; 

 floribus 5-meris, sessilibns; calyce subtüiter fiirfuraceo, tubo campa- 

 nulato, lobis brevibus, triangulari- rotundatis, margine late scariosis; 

 stylo satis gracili, glabro, apice subtruncato leviter incrassato. 



Fruticuliis ramis gracilibus, leviter ramulosis, obtuse tetragonis, 

 cinereo-fuscis, internodiis 1 — 2 cm. longis. Petiolus gracilis, 8 — 14 mm. 

 longus; folia patula, rigidiuscula, plana, supra viridia, subtus cinereo-fulva, 

 8 — 11 cm. longa, 2Y2 — 3 cm. lata, nervis supra vix impressis, subtus 

 valde prominentibus, nervulis transversalibus 1^^ — 3 mm. inter se distantibus, 

 subrectis, subtus satis prominontibus. Paniculae erectae, G — 8 cm. longae; 

 bracteae nullae (vel fugacissiraae?). Calycis tubus basi subacutus, leviter 

 10-costatus, 2 mm. longus; lobi 1 mm. longi. Petala irregulariter sub- 

 orbicularia, pallide fulva, IY2 mm. longa. Antherae anguste obovoideae, 

 1 mm. longae. Stylus subrectus, 3 mm. longus. 



Hab. in Haiti ad Morne de la Chapelle de Faure 1270 m. alt, 

 ni. Aug. fl.: r. Eug. Christ n. 1815. 



Obs, Par ses feuilles triplinerves, cette espece doit se placer dans 

 le petit groupe des 31. stenobotrys Naud. et 21. Buchü Cogn.; mais sa pubes- 

 cence toute differente et ses fleiu's sessiles la distinguent nettement de ces 

 deux derniers. 



Mecraiiium aiuygdalimiiu Triana var. Urbaniaimm Cogn. (n. var.). 

 Folia anguste ovata vel ovato-oblouga, margine integerrima vel rarius 

 vix uudulata, basi vix angustata interdum i'otundata, apice obtusius- 

 cule breviterque acuminata, 6 — 10 V2 cm. longa, 3 — 4Y2 cm. lata, 



Hab. in Jamaica in montibus sylvaticis ad Dolphiu Head, m, 

 Mart. fr.: ^\. Harris n. 10315. 



Blakea Urbaiiiana Cogn. (n. sp.) (sect. Euhlakea)'. ramis obscure 

 tetragonis, junioribus petiolis pedunculisque vix perspicue stellato- 

 puberulis; foliis magnis, breviuscule petiolatis, pergamentaceis, ovatis, 

 subabrupte breviterque acuminatis, basi rotundatis, margine planis vel 

 vix undulatis, 5-pliuerviis fere 5-nerviis, utrinque glaberrimis vel 

 subtus basi subtüiter puberulis; floribus solitariis, breviter pedicellatis; 

 bracteis calyce longioribus, liberis, late elliptico- ovatis, obtusis, extas 

 vix furfuraceis obscure multinervuloso-striatis; calyce late hemi- 

 sphaerico, limbo leviter dilatato, extus subtüiter punctulato, undulato- 

 lobato, lobis apiculatis; petalis acutis, 



Frutex magnus, ad arbores scandens, ramis satis gracilibus, radi- 

 cantibus vel interdum pendulis, radicibus adventitiis numerosis, subfiliformi- 



