586 Franz Niedenzu. — Malpighiaceae. 



(ex Ule n. 50 41), limbo e basi obtusa s. rotunda suborbiculari subplano vel leviter 

 revoluto subintegro ± 3 mm, ungue 2 — 3 mm longo. Stamina petalis opposita alternis 

 paulo breviora ; filamenta crassiuscula ; antherae ovoideae 1 mm longae. Pollen 1 5 \i 

 diametro. Garpella 3, stjlis leviter sigmoideo-patulis. Fructus non suppetunt. — 

 Fig. 42 #, J. 



Amazonas (Martius s. n. [Meckelia multiflora]: Wälder am Flusse Solimoes; 

 Spruce n. 1545: Barra; Glaziou n. 9691; Ule n. 504 1: Bomfim am Jurua). 



2. S. tenuifolia Griseb. in Linnaea XXII. (1849) 9; Niedenzu in Arb. Bot. Inst. 

 Ak. Braunsberg V. (1914) 18. — »Arbor 10 — 13-metralis« (e schedula), partibus 

 novellis »rufo-villosiusculis, ramis strictis patentibus rugulosis« glabratis griseis (lenticellis 

 paucis prominulis) quarto anno 6 mm diametro, internodiis y s — 6 cm longis. Folia 

 adulta sub anthesi delapsa, novella sola suppetentia nondum plane glabrata: e basi acuta 

 lanceolata apice longiuscule acuminata ultra 5 cm longa l 3 / 4 cm lata, membranacea, 

 subtus ima basi vel apice petioli 2-glandulosa ; petiolo rufo-tomentoso 6 mm longo; 

 stipula intrapetiolari tomentosa lanceolata 3 mm longa. Bacemi hirsuti usque 50-flori 

 usque 1 dm longi terminantes ramulos breves 2- vel 4-folioliferos vel brevissimos 

 bracteiferos nunc terminales nunc ex axillis foliorum delapsorum Orientes, pedunculis 

 primariis 2 — 3 mm, pedicellis sulcatis 4 — 5 mm, bracteis bracteolisque eglandulosis late 

 ovatis acutis 1 — \*U mm, bracteolis oblique glanduliferis obtuse subulatis 2 mm longis. 

 Flores 1 cm diametro, secundarii inevoluti (forsan nunquam antbesin assequentes). Sepala 

 ovata glandulas 9 obovoideas vel clavatas zh in pedicellum decurrentes 2 — 3 mm longas 

 2 mm superantia. Petala patentia, limbo obovato vel oblongo-obovato subintegro vel 

 crenulato 3 — 4 mm, ungue db 2 mm longo. Antherae ovoideae basi cordatae 1 mm 

 longae. Pollen 1 8 ^t diametro. Garpella 2, stylis sigmoideo-patulis. Fructus non suppetunt. 



Brit.-Guayana (Bich. Schomburgk n. 506: Am Flusse Tacutu). — St. Vin- 

 cent (Broadway). — Golombia (Byan: Sa. Marta; Bohr: Sa. Marta). 



Sectio 2. Euspaehea Niedenzu. 



§ 1. Spachea Jussieu Malp. Syn. (1840) 326 et in Arch. Mus. III. (1843) 326. 

 - - Sectio 2. Euspachea Niedenzu in Engler u. Prantl Nat. Pflzfam. III. 4. (1890) 69 

 et in Arb. Bot. Inst. Ak. Braunsberg V. (1914) 18. 



3. S. elegans (G. F. W. Mey.) Juss. in Delessert Icon. III. (1837) 19, tab. 31, 

 Malp. Syn. (1840) 326 et in Arch. Mus. III. (1843) 326; Bentham in London Journ. 

 Bot. VII. (1848) 126; Grisebach in Linnaea XXII. (1849) 9 et Fl. Brit. W. Ind. Isl. 

 (1864) 116; Niedenzu in Arb. Bot. Inst. Ak. Braunsberg V. (1914) 18. — Malpighia 

 elegans G. F. W. Meyer Prim. fl. esseq. (1818) 178; Sprengel Syst. II. (1825) 38 4. — 

 Byrsonima elegans De Candolle Prodr. I. (182 4) 580; G. Don Gen. hist. I. (1831) 

 637. — Spachea ossana Jussieu Malp. Syn. (1840) 32 6 et in Arch. Mus. III. (1843) 

 327; Small in N. Amer. Fl. XXV. 2. (1910) 150. — Byrsonima Herbert- Smithii 

 Rusby*) Descript. of 300 New Sp. S. Amer. PI. (1 920) 37. — »Frutex 3-metralis«, partibus 



*) Byrsonima Herbert-Smithii Rusby Descript. ofj 300 New Spec. of South Amer. PI. 

 (1920) 37. — "Glabrous, except the inflorescence. Branchlets slender, terete, widely spreading. 

 Petioles 6 — 1 2 mm long, grooved above, the base dilated and enclosing the base of the connate 

 stipules which are 4 — 6 mm long, ovate, acuminate and acute, concave, thickisb, brown. Blades 

 7 — 14 cm long, 2,5 — 5 cm broad, oblong with abruptly an<i shortly produced base and mucronate 

 summit, thickish, somewhat lustrous, the venation very slender, not prominent, the secondaries 

 8 or 10 on each side, with obscure intermediate ones, connecting at some distance from the 

 margin, the venation loosely reticulate. Raceme solitary, terminal, short-peduncled, the ped. 

 bearing one or more small subulate bracts, the rachis 7— 12 cm long, slender, puberulent. rather 

 densely flowered, the flowers mostly recurved. Pedicels 6 — 8 mm long, subtended by a small 

 ovate, acute, brown, pilose bract, and bearing a pair of similar ones below the middle, thickened 

 upward and costate. Sepals 3 mm long, equaling the claw of the petal, the limb of the latter 



