Rubi novi Americae australis et centralis. I. 237 
tioli copiose recurvo-aculeati; foliola omnia petiolulata, crassa, duplicato- 
serrulata, diam. fere 6—8:4—5 cm, utrinque 10—12-costulata, nervis 
subtus prominulis, saepe marginem versus bifurcis, infimis approximatis, 
supra dense puberula, subtus canescenti-velutina; foliolum terminale e 
basi subcordatä oblongo-ovatum, acuminatum, lateralia obliqua, terminali 
similia; petioluli terminales fere 2 cm, laterales 1 cm longi. 
Inflorescentia in ramis superioribus fundo solum foliifera, pyramidalis 
(apicem versus densa, decrescens), ramulis inferioribus elongatis patenti- 
bus subvirgatis, in ramis inferioribus usque ad mediam partem  foliosa, 
ramulis erecto-patentibus; ramuli inferiores omnes inferne simplices, ultra 
medium panniculato-multiflori, cinereo-tomentosi, parce aculeolati vel sub- 
inermes, supremi breves, pauciflori vel uniflori. Bracteae lanceolatae 
Flores breviter pedunculati, aperti diam. fere 2 cm; calyx cinereo-tomen- 
tosus, sepalis ovatis in flore patulis; petala elliptica, sepalis longiora, 
alba vel externe colore roseo imbuta; stamina erecta, petalis multo 
breviora. 
Tomento molli et ramulis inflorescentiae longis apice densifloris 
insignis. 
Habitat in Americae australis regionibus mari Caraibico adjacenti- 
bus. Columbia, Venezuela. 
5. Rubus Buchtieni Focke, nov. spec. — Buchtien, Boliv. exs. 641. 
Stirps solitaria, ab omnibus aliis recedens. 
Frutex ad 3 m altus (Buchtien); ramus (suppetens) elongatus, angu- 
latus, breviter puberulus, aculeis e basi dilatatá recurvis paucis in- 
structus. Folia plurima ternata, infimum (rami descripti) digitato-quina- 
tum, suprema simplicia, foliolis similia; petioli petiolulique puberuli et 
aculeis e basi latá uncinatis nonnullis armati; stipulae lineares, imo pe- 
tiolo adnatae vel subliberae; foliola chartacea, e basi emarginata lanceo- 
lata, acuta vel acuminata, utrinque fere 15—20-costulata, ca. 13 em longa, 
3,5 cm lata, subaequaliter serrulata, supra praeter nervos glabrescentia, 
subtus viridia, parce pubescentia et glandulis sessilibus conspersa, 
lateralium petioluli 1,0—1,5 cm longi. Flores praeter terminalem omnes 
in ramulos axillares distantes breves bracteatos puberulos inermes uni- 
vel bifloros dispositi, diam. fere 3 cm; sepala mucronato-lanceolata, externe 
viridia, pubescentia, in flore terminali unico sparsim aculeolata, in omni- 
bus aliis inermia, in flore cum petalis patentia, post anthesin erecta; 
petala subrotundo-obovata, unguiculata, sepalis vix longiora, purpurea; 
Stamina numerosa, sepalis breviora, stylis longiora; pollinis cellulae omnes 
perfectae, conformes; carpella semiorbicularia vel lunata, stylo longo fili- 
formi coronata. 
R. megalococcus foliis coriaceis, racemulis axillaribus plurifloris, flori- 
bus nutantibus subcampanulatis et notis aliis gravibus facile distinguitur; 
ceterae species longius distant.- uu 
Hab. in Boliviae provincia Yungas bor. prope Unduavi in silvis et 
in altit, 3200 m. 
