446 In. Ursan: 
apice segmentorum perianthii varie curvatis v. involutis. ÖOvarium obtuse 
trigonum, sub anthesi 2 mm. longum, superne 1,3 mm. crassum, intus glan- 
dulas globulosas ovulis pluries crassiores aurantiacas, extrinsecus 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 Jäcana m. Oct. fl., prope 
Aguada in terra humosa sylvae montis Piedra blanca, m. Dec. fl.: Sin- 
tenis n. 5170 (materiem alcoolicam quoque examinavi), 5259, 5707. 
Obs. Habitu simillimus @. niveo, sed perianthii segmentis exterioribus 
integris, glandulis sub apice ovarii crassis bene conspicuis, seminum magnl- 
tudine et colore sine dubio specifice diversus. 
III. Cymbocarpa Miers. 
| ne 7. Cymbocarpa refraeta Miers! in Proc. Linn. Soc. I (1840), 
£ Ann. of Nat. Hist. V 9.133 p. 62 et in Trans. Linn. Soc. XVIII 
(1841) p. 544 tab. 38 f.4!; Seub. in Mart. Flor. bras. III. I p. 60; 
Karst.! in Linnaea XX VIII p. 423. — Fig. nostrae 10— 13. 
Ptychomeria tenella Griseb.! Cat. (1866) p. 257; Saw. (Qu. 
n. 2485 p. 166, — non Benth. | a 
Gymnosiphon refractus Benth. in Benth. et Hook. Gen. III (1883) | 
pP. 458; Johow 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 eymose divisa, dein 
v. ab initio in eincinuos laxifloros abiens, 1—5-, raro— 7-flora; prophylla 
2 — 1 mm. longa; pedicelli subnulli v. usque 1 mm. longi; flores post anthesin ei 
subhorizofttaliter positi. Perianthii tubus cylindraceus, 2,5 —4 mm. longus; F 
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. minnta, ovata v. orbicularia, omnia cum tubo supremo valde decidua. 
Stamina tubo perianthii ad faucem affıxa; filamenta subnulla; antherae 
ambitu latiuscule quadratae, connectivo latiuseulo 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- 
viter v. ovato-rectangulare, basi subobliquum obtusum, sub anthesi 1,8 — 2 mm. 
longum, 1—1,2 mm. latum, glandulis intus sub apice obviis extrinsecus 
plerumque bene conspicuis; ovula multiseriata, Capsula verisimiliter & 
latere compressa, ovata v. breviter ovata, 2,5 —3 mm. longa, horizontaliter 
