Pera. 7 



7. P. distichophylla (Marl.) Baill. Elud. gen. Euphorb. (1858) 43 4; Müll. Arg. in 

 DC. Prodi-. XV. 2. (1866) 1026, in Fl. IJras. XI. 2. (1874) 424. — Spixia dhtichophylla 

 Marl, in Flora XXXI V. 2. (1841) Beibl. 30. — Schismatopera distichophylla Klolzsch 

 in London Journ. Bot. II. (1843) 43. — Schiamatopera Martiana Klolzsch in Wiegm. 

 Arch. VII. (1841) 178. — Arbor (?) vel frutex 3—6 m altus; ramuli juveniles ferru- 

 gineo-sericei, mox glabrati, densiuscule foliosi. Petiolus 1 — 3 mm longus, canalieulalus, 

 strigoso-sericeus, mox glabrescens; limbus 7 — 15 cm longus, 2 — 5 cm latus, lanceolatus 

 vel lanceolato-ellipticus vel lanceolato-ovatus, ± acuminatus, basi saepe oblusa in 

 petiolum contractus vel acutus, supra nigricans, subtus fuscescens vel glaucescens, 

 glaber, non lepidotus, juxta costam mediam hinc inde subtus minute patellari-glanduliger; 

 costae secundariae utrinque 5 — 10, tenues. Involucra rf in axillis spicata, spicis valde 

 abbreviatis, circ. 1 cm longis, pedunculo 2 — 4 mm longo stipitata, unibracteolata, sericeo- 

 tomentella, flores 3 gerentia, 4 — 6 mm diametientia, coriacea. Calyx q' 1 1/2 — 2 mm 

 longus, turbinatus, fere integer, extus pilis ferrugineis, densis, rigidulis adpresse sericeus; 

 stamina 3 — 5; columna staminalis accrescens, evoluta antheras fere quater aequans; 

 rudimenta florum ^ ^^^^ strigoso-sericea, superne glabra, triloba. Flores ^ ®t 

 fructus ignoti. 



Provinz des Amazonenstroms. 



Var. u. genuina Müll. Arg. in DG. Prodr. XV. 2. (I866) 1026, in Fl. Bras. XI. 

 2. (1874) 424. — Var. Martiana Müll. Arg. in DG. Prodr. XV. 2. (1866) 1026. — 

 Var. lanceolata Müll. Arg. in Fl. Bras. XI. 2. (187 4) 425. — Spixia longifolia Poeppig 

 in Sched. — Folia subtus fuscescentia. — Fig. 1 D — E. 



Am Rio Negro (Schomburgk n. 918!); Ega (Poeppig n. 249"!); Manaos 

 (Martius n. 2786, l'le n. 3337!, 5739!); Maynas (Poeppig!). — An Ufern von 

 Flüssen und Bächen. 



Var. ß. laurina Müll. Arg. in DC. Prodr. XV. 2. (1866) 1026; in Fl. Bras. XI. 2. 

 (1874) 425. — Schismatopera laurina Benth. in Hook. Journ. Bot. VI. (1854) 324. — 

 Schismatopera laurifoUa Benth. in Sched. — Folia subtus glaucescentia. 



Am Rio Negro, Barra (Spruce n. 96l!). 



Sect. 5. Neopera Griseb. 



Pera Sect. Neopera Griseb. in Nachr. Gesellsch. Wiss. Göttingen (1865) 140; Müll. 

 Arg. in DG. Prodr. XV. 2. (I866) 1127, in Fl. Bras. XI. 2. (1874) 427; Pax in Engler 

 u. Prantl, Pflzfam. III. 5. (1890) 70. 



Involucra unisexualia, bibracteolata, (^f florum Q rudimentis destituta. Calyx (^ 

 evolutus. Filamenta brevissime connata. Involucra Q. centi'o flores (J' rudimenlarios 

 gerentia (an semper?). Indumentum lepidotum vel stellato-lepidotum. 



Clavis specierum. 



A. Folia subtus sparse vel dissite lepidota. 



a. Folia apice acuminata. 



a. Involucra (^ globoso-ellipsoidea. Species cubana . . 8. P. humelifolia. 

 ß. Involucra (^ globosa. Species amazonica 9. P. coccinca. 



b. Folia apice obtusissima 10. P. dbmingemis. 



B. Folia subtus densissime lepidota vel stellato-lepidota. 



a. Indumentum foliorum intricatum, stellatum 1 1 . P. tomentosa. 



b. Indumentum lepidotum 12. P. hicolor. 



8. P. humelifolia Griseb. in Nachr. Gesellsch. Wiss. Göttingen (1865) 180; Müll. 

 Arg. in DC. Prodr. XV. 2. (1866) 1028. — Ramuli teretes, graciles, cum petiolis et 

 involucris dense ferrugineo-lepidoti, deinde pallidius vestili. Petiolus 7 — 1 5 mm longus, 

 gracilis, sensim in limbum abiens; limbus 7 — 9 cm longus, 2V2— 3 cm latus, elliptico- 

 vel obovato-lanceolatus, acutus vel obtusus, supra nitidus et glaber, olivaceo-nigricans, 

 subtus opacus et dissite stellato-lepidotus et papillosus, subcoriaceus; costae secun- 



