— 219 — 
3. R. ovata Swartz var. Ehrenbergii (Uline) R. Knuth. — R. 
cordata var. Ehrenbergii Uline in msc. — R. cordata Kunth, Enum. pl. V 
(1850) 449, non L. — Folia rigide papyracea, ovato-lanceolata vel 
lanceolata, apice sensim angustata, basi rotundata vel levissime cordata. 
Fructus 11, cm longus. 
Haiti (EHRENBERG Q)). 
4. R. tenuiflora R. Knuth. — Suffruticosa, glabra. Folia coria- 
cea vel papyraceo-coriacea, ovato-oblonga, saepe 81, cm longa, 4 cm 
lata, basi + retusa, apicem versus + contracta, in apiculum 1—1!, cm 
longum, 2—3 mm latum desinens, 5-nervata. Spicae J' saepe 13 cm 
longae; flores in cymis distinete scorpioideis congesti; cymae ad 8 mm 
longae, pedunculatae, saepe 10—12-florae, eleganter recurvatae. Peri- 
anthium sessile, fere ad basin partitum. 
Cuba: Sierra Nipe, bei Woodfred (SHAFER a. 1909 n. 3016 J’! 
n. 3149 J'!). 
5. R. spieuliflora Uline in msc. — Glabra. Folia membranacea, 
5 cm longa, 31, cm lata, 7-nervata, triangulari-lanceolata, basi leviter 
cordata, caudato-acuminata, vel subtriloba, lobo medio lanceolato-acumi- 
nato trinervio, lateralibus semiorbicularibus; petiolus 1—1!/, cm longus. 
Racemi 9’ graciles, folio longiores, saepe 5 cm longi; flores in spiculis 
scorpioideis brevibus approximatis pedunculatis circ. 5-floris dispositi. 
Perianthium 1 mm latum. — Racemi @ 5 cm longi. Fructus (imma- 
turus) 1 cm longus, 
St. Domingo (Pormzau Z' Q2N. 
6. R. venosa R. Knuth. — Glabra. Folia exs. papyracea, ad 
7 em longa et 4 cm lata, 7—9-nervata, ovata vel elongato-ovata, basi 
manifeste cordata, apice mucronata, acuta; petiolus quam lamina 2—3- 
plo brevior, fere crassiusculus. Flores S' in cymis scorpioideis con- 
gesti; cymae breviter pedunculatae, ad 5 mm longae, circ. 8-florae, saepe 
pseudo-glomerulatae. Perianthium ultra medium partitum, brevissime 
pedicellatum, eire. 1—1!/, mm diam. 
Portorico: Luquillo Mountains (Wırson a. 1902 n. 163 J'!). 
7. R. cordata L. var. microcarpa Uline in msc. — Folia mem- 
branacea, cordato-oblonga, acutissima, 7-nervata, Fructus circ. 1 cm 
longus. 
St. Thomas (EGGERS n. 184 Z 2! 279 Q\). — Portorico 
(SNTENIS n. 109 2! 109b Q! 1384 ZN). — Cuba (WıLson et LEON 
an, 11551 QN. 
Var. retusa R. Knuth. — Folia triangulari-oblonga, basi + 
retusa, satis firma. Fructus 13 mm longus. 
Vaterland unbekannt! Herb. Berlin. 
15* 
