— 204 — 



breviter pilosus, 3 — 5 mm longus; laraina subchartacea supra glabra 

 vel foliis novellis sparse puberula subtus praesertim ad costam mediam 

 atque nervös primarios densius atque longius pilosa, ovato-elliptica vel 

 ovato-oblonga apice obtusa vel brevissime lata acuminata, basi rotun- 

 dato-obtusa, 3 — 5 cm longa, 2—3 cm lata, nervis lateralibus primariis 

 utrinque 4 — 5 angulo plerumque obtuso a costa patentibus arcuatim 

 adscendentibus prope marginem evanescentibus supra impressis subtus 

 distincte prominentibus percursa. Flores pro genere parvi sessiles in 

 cymis subcapitatim contractis paucifloris brevissime pedunculatis difipositi ; 

 bracteolae ovato-lanceolatae acutae substrigoso-pilosae, 2 — 3 mm longae; 

 ovarium oblongum; calyx brevis obsolete denticulatus; corollae albae 

 vel in siccitate ferrugineae tubus gracilis anguste cylindricus sursum 

 paullum ampliatus, 1,6 — 1,8 cm longus, extus densiuscule adpresse 

 pilosus, lobi anguste oblongi vel anguste ovato-oblongi acuti quam 

 tubus circ. 3 — 4-plo breviores; stamina dense infra faucem corollae 

 inserta, antherae subsessiles lineares inclusae; stilus tenuis stigmate 

 capitato coronatus. 



Hylaea, Peru: Am Alto Acre bei Seringal Auristella (ÜLE 

 n. 9860 - blühend im April 1911). 



Die Art ist durcb verhältnismäßig kleine, unterseits ziemlich dicht be- 

 haarte Blätter ausgezeichnet. 



Guettarda acreana Krause n. sp. — Frutex vel arbuscula erecta 

 modice alta rarais ramulisque tenuibus teretibus novellis sparsissime 

 pilosis adultis mox glabris cortice brunneo vel griseo-brunneo leviter 

 longitudinaliter striato hinc inde minute verruculoso obtectis. Folia 

 parva breviter petiolata ut videtur praecipue ad ramulorum apices 

 conferta; stipulae ovatae apice acutae basi breviter vaginatim conjunctae, 

 2 — 3 mm longae, caducissimae; petiolus brevis tenuis adpresse pilosus, 

 1 — 1^8 cm longus; lamina tenuiter herbacea supra sparsissime pilosa vel 

 demum omnino glabra subtus praesertim ad costam mediam atque nervös 

 primarios paullum densius adpresse pilosa ovato-oblonga vel ovato- 

 lanceolata apice acuminata basi acuta, 8 — 13 cm longa, usque ad 7 cm 

 lata, nervis lateralibus primariis 6 — 8 angulo circ, 40° — 50° a costa 

 abeuntibus marginem versus arcuatim adscendentibus supra prominulis 

 subtus distincte prominentibus percursa. Flores parvi graciles sessiles; 

 inflorescentiae axillares longe pedunculatae demum in cincinnos uniseriales 

 leviter curvatos 2 — 4 cm longos exeuntes; pedunculi tenues 6 — 10 cm 

 longi; ovarium parvum subglobosum vel obovoideo-globosum circ. 1,5 mm 

 diametiens; calyx brevis cupulatus late pluridentatus vix 1 mm longus 

 ut ovarium glaber; corollae viridi-luteae vel in siccitate flavescenti- 

 brunneae tubus anguste cylindraceus sursum paullum dilatatus extus 

 densiuscule adpresse sericeo-pilosus, 8 — 9 mm longus, lobi oblongi obtusi 



