Sertum antillanum. VII. 



399 



Obs. P. tmuiamentum C. DC. (e Trinidad) differ! foliis anguste ovatis 

 V. ovato-ellipticis, basi tota (utroque baseos latere) rotundatis, postremo 

 quoque membranaceis non areolatis, spicis 10 — 12 mm longe pedunculatis. 

 — P. jamaicense (Griseb.) C. DC. quoque ad nostram speciem valde 

 aecedit. 



158. Ampelocera crenulata Urb., spec. nov. 



Verisimiliter fruticosa. Rami vetustiores teretes, lenticellis minutis 

 orbicularibus obsessi; ramuli hornotini basi squamas incrassatas sub- 

 rotundas V. obtuse triangulares gerentes, breviter et tenuiter pilosuli et 

 hoc tempore jam lenticellosi. Stipulae liberae, inferiores oblongae, 

 superiores lanceolato-lineares, 1,5—2,5 mm longae, deciduae. Folia 

 alterna, 2—3 mm longe petiolata, ovata v. ovato-elliptica, basi obtusa v. 

 rotundata, apice acute acuminata, 4—7 cm longa, 2 — 3 cm lata, pennati- 

 nervia, nervis supra prominentibus et utrinque bene reticulato-anastomo- 

 santibus, margine toto dense crenulata, crenulis apice incurvis, 

 supra glabra nitida, subtus praesertim secus nervum medium brevissime 

 et tenuissime puberula, tenuiter chartacea, in sicco nigrescentia. Flores 

 (valde juveniles tan tum visi) plures in cyathulum ad nodos ramorum 

 vestustos subsessilem v. usque 2 mm longe stipitatum cr. 2,5 mm 

 crassum, 1,5 mm longum corticoso-induratum collecti, bracteis 2 ovatis 

 acutis intus ad basin breviter pilosis inclusi. Alabastra ovalia pedicellata. 

 Perianthii phylla 5 in aestivatione imbricata, glabra. Stamina 10 basi 

 perianthii affixa; antherae subquadrato-orbiculares, longitrorsum birimosae. 

 Ovarium superum glabrum; stigmata 2. 



Hab. in Cuba: Ramon de la Sagra no. 413. 



Obs. I. In cyathulo fila nonnulla rigida inter alabastra prodeuntia 

 usque 5 mm longa inveniuntur; an pedicelli florum vetustorum delap- 

 sorum? 



Obs. II. Ä. cubensis Griseb. ramis hornotinis minutissime patenti- 

 pilosis, foliis 8—6 mm longe petiolatis, basi obsolete excisis, integris 

 V. in specim. Doming, superne crenis parcissimis obsitis, squamis involu- 

 crantibus liberis nec in cyathulum connatis, perianthii segmentis 4 et 

 verisimiliter aliis characteribus fioris fructusque differt; A. Ruizii Kl. 

 (e Peru) foliis basi cuneato-angustatis parce dentatis v. subintegris, 

 ovario dense tomentoso recedit. 



Obs. III. Si nostra species re vera ad genus Ampelocerae pertineat, 

 rnateries melior in future demonstrabit. 



159. Ranunculus recurvatus Poir.; Fawc. etRendle Flor. Jam. Ill p. 188. 

 Fawcett und Rendle führen für Jamaica B. recurvatus Poir. mit 



leaves 3-cleft und eine Varietät tropicus (Griseb.) Fawc. et Rendle (P. 

 repens var. tropicus Griseb. Flor. p. I, P. cubensis Griseb. Cat. p. 1) mit 

 leaves 3-foliate or 3-sect auf. Es ist mir ganz unverständlich, v^rie sie 

 dazu kommen, die beiden Gris ebac hschen Arten, die ganz verschiedenen 

 Gruppen angehören, miteinander zu identifizieren. Die erstere wurde 

 von Macfad yen Flor. Jam. p. 3 als P. repens bestimmt mit der Be- 

 merkung: This is evidently an introduced plant which has become 



