446 Ign. Ukban: 



apice spgmentorum perianthii varie curvatis v. involutis. Ovarium obtuse 

 trigouum, sub antliesi 2 mm. longum, superne 1,3 mm. crassiim, intus gian- 

 dulas globulosas ovulis pluries crassiores aiirantiacas , extrinseciis bene con- 

 spicuas, in apice utriusque lateris placentarum sitas et post eas affixas 

 gerens; ovula multiseriata , elliptica v. ovalia. Capsula basi attenuata, 

 superne 2 mm. crassa, longitrorsum fissuris 3 dehiscens. Semina apice 

 brevissime v. vix acuminata, basi saepius obtuse apiculata, testa accumbente, 

 utrinque brevissime supra nucleum producta. 



Hab. in Portorico prope Yabucoa in sylva primaeva ad Guajabota 



rara m. Sept. fl. et in monte Piedra azul ad Jcana m. Oct. fl., prope 



Aguada in terra huraosa sylvae moutis Piedra blanca, m. Dec. fl. : Sin- 



teiiis n. 5170 (materiem alcoolicam quoqiie examinavi), 5259, 5707. 



Obs. Habitu simillimus G. niveo , sed perianthii segmentis exterioribus 

 integris, glandulis sub apice ovarii crassis bene conspicuis, seminum magni- 

 tudine et colore sine dubio specifice diversus. 



III. Cyml)Ocari)a Miers. 



7. Cyiiil)Ocarpa vefracta Miers! in Proc. Linn. Soc. I (1840), 

 Ann. of Nat. Eist. V p. 133 p. 62 et in Tra?is. Linn. Soc. XVIII 

 (1841) p. 544 tab. 38 f. 4!; Seub. in Marl. Flor. bras. III I p. 60; 

 Karst.! in Linnaea XXVIII p. 423. Fig. nostrae 10 13. 



Ptychomeria tenella Griseb.! Cat. (1866) p>- 257; Sauv. Cub. 

 n. 2485 p. 166, 7ion Benth. 



Gymnosiphon refractus Benth. in Benth. et Hook. Gen. III (1883) 



p. 458; Johoi in Pringsh. Jahrb. XX tab. XIX fig. 3 (mala). 



Planta 8 12 cm. alta. Caulis erectus v. curvato-erectus, simplex, 

 inferne 0,3 0,6 mm. crassus, in sicco flavidus, internodiis inferioribus 

 0,6 1,5 cm. longis. Folia basalia ovata v. ovato-oblonga acuminata, 



1 1,5 mm. longa, imbricata, caulina 6 15 ovata v. ovalia, apice acutata 

 V. obtusa, 1 1,5 mm. longa. Inflorescentia semel cymose divisa, dein 

 V. ab initio in cincinnos laxifloros abiens, 1 5-, raro 7-flora; prophylla 



2 1 mm. longa ; pedicelli subnulli v. usque 1 mm. longi ; flores post anthesin 

 subhorizontaliter positi. Perianthii tubus cylindraceus, 2,5 4 mm. longus; 

 segmenta 3 exteriora tubo dimidio v. duplo breviora, 1,5 2 mm. longa, 

 ovata V. anguste ovata acuminata, margine infero v. medio lobulos 2 lanceo- 

 lato- lineares saepius incurvos gerentia, interiora ad sinum abeuntia, parva 

 V. minuta, ovata v. orbicularia, omnia cum tubo supremo valde decidua. 

 Stamina tubo perianthii ad faucem affixa; filamenta subnulla; antherae 

 ambitu latiuscule quadratae, connectivo latiusculo supra loculos non producto 

 truncato v. obsoletissime apiculato, transversim dehiscentes. Stylus aequi- 

 crassus v. superne obsolete attenuatus, 3 mm. longus; lobi (non bene ob- 

 servati) sessiles fila 2 filiformi-setacea emittentes. Ovarium a latere bre- 

 yiterv. ovato-rectangulare, basi subobliquum obtusum, sub antliesi 1,8^ 2 mm. 

 longum, 1 1,2 mm. latum, glandulis intus sub apice obviis extrinsecus 

 plerumque bene conspicuis; ovula multiseriata. Capsula verisimiliter a 

 latere compressa, ovata v. breviter ovata, 2,5 3 mm. longa, horizontaliter 



