2()0 P- '*''•''• — Euphorbiaceae-Hippomaneae. 



Müll. Arg. in Linnaea XXXII. (186 3) 121 ex parte. — Stillingia Sect. Bonania Baill. 

 Etud. gen. Euphorb. (1858) 514. — Sapiuni Sect. Bonannia 0. Ktze. et Post, Lexicon 

 (1904) 498. 



Flores monoici, apetali. Discus nullus. Caljx af membranaceus, urceolaris, breviter 

 et obtuse 2 — 3-lobus. Stamina 2 — 3; filamenta brevia, connata vel sublibera; antherae 

 parvae; ovarii rudimentuni nullum. Calyx ^ alte 3-fidus. Ovarium 3-loculare; styli 

 distincti vel vix basi connati, tenues, recurvo-patentes, indivisi. Ovula in loculis solitaria. 

 Capsula globosa, subtridyma, in valvas 2-partitas dissiliens; columella persislens alata. 

 Semina globosa, ocarunculata; albumen carnosum; cotyledoncs planae, orbiculares. — 

 Frutices ramosissimi, microphylli, omnino glabri. Folia alterna, disticha, brevissime petio- 

 lata vel subsessilia, glanduloso-denticulata vel subintegra, rigide coriacea; stipulae parvae, 

 latae. Spicae rf ad apicem ramulorum axillares, simplices, breves; bracteae parvae, eglan- 

 dulosae, 3 — 1-florae; flores Q in axillis basi spicae Q^ solitarii, sessiles vel subsessiles. 



Species 3, insulae Cubae incolae. 



Clavis specierum. 



A. Folia dentata vel crenulata. 



a. Petiolus 1 1/2 — 2 mm longus; limbus manifeste dentatus 1. B. cuhana. 



b. Petiolus Y2 mm longus; limbus crenulatus vel subinteger 2. B. microphylla. 



B. Folia integra, emarginata 3. J9. emarginata. 



1. B. cubana A. Rieh, in Sagra, Bist. fis. Cuba XI. (1850) 201. — B. cubensis 

 A. Rieh, in Sagra, Bist. fis. Cub. XI. (1850) t. 68. — Stillingia cuhana Baill. Etud. gen. 

 Euph. (1 858) 5 I 5. — Excoecaria cubana Müll. Arg. in Linnaea XXXII. (1863) 1 22. — Ex- 

 coeearia cubensis Müll. Arg. in DC. Pi'odr. XV. 2. (1866) 1212. — Frutex diffuso-ramosus, 

 glaber. Petiolus 1 1/2 — 2 mm longus; limbus 12 — 22 mm longus, 6^15 mm latus, 

 ovatus, basi et apice obtusus, apice leviter emarginatus, coriaceus, distincte nervosus, 

 glaber, margine glanduloso-denticulatus ; stipulae ovatae, longiores quam latae. Spicae (j^ 

 12 — 20 mm longae, fere tota longitudine florigerae, parvulae, graciles; bracteae late 

 ovatae, acutae, P/o ^^^^ ^^^'^ longae, 3- vel 1-florae. Calyx (^ sessilis, 1 mm longus, 

 urceolaris, leviter 2 — 3-lobus; antherae inclusae. Capsula depresso-ovoidea, sulcalo- 

 tridyma, obtuse trigona, 5 mm longa vel paulo tantum longior. Semina globosa. 



Westindien: Cuba (Wright n. 1997!), Santa Clara, Cienfuegos, Castillo de Jagua 

 (Combs n. 603!). — Bahama-Inseln, Andros, Fresh Creek (J. u. A. Northrop 

 n. 628!). 



2. B. microphylla Urb. Symb. Antill. III. (1902) 311. — Frutex Im altus, 

 ramosus, glaber. Petiolus subnuUus, ^/^ mm tantum longus; hmbus 4 — 9 mm longus, 

 3 — 7 mm latus, ovatus vel suborbicularis, basi subtruncatus vel obsolete cordatus, apice 

 rotundatus, saepe subemarginatus, nervo medio excurrente apiculatus, plicatus, minute 

 et parce crenulatus vel subinteger, subtus juxta marginem basi saepius glandula parva, 

 nigx'a, impressa notatus, rigide coriaceus, penninervius; stipulae triangulai'es, acutae, 

 1 mm longae. Spicae (_f breves, juniores ad 6 mm longae; bracteae pentagono-tri- 

 angulares, acutae, 3-florae, margine apice eroso-denticulatae. Calyx q^ parvus, sessilis, 

 obsolete et obtuse 3-lobus. Capsula solitaria, 4 mm longa, globosa, basi subemarginata, 

 3-locularis; cocci usque ad basin 2-partiti. Semen globosum, 2Y2 ^^^ diametiens. 



Westindien: Cuba, bei La Caimanera (Eggers n. 54551). 



3. B. emarginata Wright ex Griseb. in Nachr. Gesellsch. Wiss. Göttiugen (1865) 

 17 8. — Excoecaria emarginata Müll, Arg. in DC. Prodr. XV. 2. (I866) 1212. — 

 Frutex ad 2 m altus, difl"use ramosus; rami validi. Petiolus 1/2 — 1 mm longus; limbus 

 12 — 16 mm longus, 7 — 9 mm latus, obovatus vel ellipticus vel obovato-oblongus, basi 

 obtusus vel subucutus, apice emarginatus, rigide coriaceus, integer vel vix crenulato- 

 denticulatus, supra lucidulus, subtus nervo medio prominente excepto evenius; stipulae 

 triangulari-ovatae, acutae, nigrae, latiores quam longae. Spicae (J^ crassae, densiflorae; 

 rhacbis valida; bracteae latiores quam longae. Calyx (ex Griseb ach) 3-fidus; antherae 3; 



