Monographia Loasacearum. 215 



Habitat in Columbia in civitate Cauca, in silvis humidis umbrosis ad Rio 

 Chinehina et Kio de los Termales, alt. 2200 — 2500 m: Lehmann n. 3078, ad Tunguragua, 

 alt. 2300 m: Lehmann n. 595, in prov. Antioquia, alt. 2500 m: Kalbreyer n. 1540. 



Floret m. Sept.-Decemb. — V. s. in herb. Boisäier-Barbey et Kew. 



57. Loasa dolicliostenion Urb. et Gilg (nov. spec.) foliis oppositis et decussatia 

 vel euphyllo supremo rarius solitario, petiolis 2 — 0,8 cm longis lamina 4 — 6-plo brevio- 

 ribus instructis, oblongis vel ovali-oblongis, apice aeutis vel subacuminatis, basi sensim 

 euneatim in petiolum angustatis, a parte V3 inf- usque ad apicem lobulatis, lobulis 

 utrinque 6 — 5 brevibus late ovatis vel triangnlari-ovatis, margine toto aequaliter denti- 

 cnlatis, denticulis saepius glanduloao-apiculatis, setis brunneis supra dense, sul)tus ad 

 nervös rarissime obviis; fioribus in apice caulis 2 — 4 eine-innose dispositis manifeste 

 nutantibus; calycis lobis ovatis usque late ovatis, supra basin fere aeque latis ac longis; 

 petalis 2 — 2.2 cm longis, planis vel subplanis; squamis (saccis exceptis) a dorso anguste 

 oblongis, er. 1 em longis, coUo inerassato manifeste revoluto erenulato fila 3 crassius- 

 cula 1,5 — 2 mm longa emittente instructis, marginibus acutangule inflexis, iuferne ad 

 ealcaria angustissimis vel subnullis, superne sensim aliformi-dilatatis ac apice er. 3 mm 

 latis, supra eollum non productis; staminodiis 2 interioribus squamam multo superantibus; 

 staminibus bene evolutis petalis subaequilongis. 



Perennans. Caulis l — 2 m altus (ex Lehmann) teres, ramosus, cortice in sicco 

 arcte accumbente, griseo-virescente vel brunneo-virescente, inferne subglaber, superne pilis 

 mlnimis verticilLatira glochidiatis densissime vestitus aliis pauUo longioribus antrorsum spinu- 

 ligeris parce intermixtis, setis longis brunneis recurvatis + dense obviis. Folia opposita et 

 decussata (vel rarius euphylhim supremum solitarium), petiolis 2 — 0,8 cm longis lamina 4 — 6-plo 

 brevioribus instructa, oblonga vel ovali-oblonga, apice acuta vel subacuminata, basi sensim 

 euneatim in petiolum angustata, 9 — 4 cm longa, 5 — 2 cm lata, a parte V.3 ii^f- usque ad apicem 

 lobulata, lobulis utrinque 6 — 5 brevibus late ovatis vel triangulari-ovatis, margine toto aequa- 

 liter denticulata, denticulis saepius glanduloso-apiculatis, consistentia tenui, laete viridia (ex 

 Lehmann), supra pilis parvis inaequilongis basi bulbiformi-incrassatis sublaevibus vel obsolete 

 antrorsum spinuligeris laxe aspersa, subtns aliis verticillatim glochidiatis minimis densissime 

 vestita, illis antrorsum spinuligeris rarissimis, setis brunneis supra dense, subtus ad nervös 

 rarissime obviis. Flor es in apice caulis 2 — 4 cincinnose dispositi; prophylla fertilia tantum 

 evoluta sed semper -f- alte saepius usque ad florem proximum sursum adnata, subito minima, 

 oblonga vel anguste oblonga usque linearia, infima er. 1 em longa, .3 mm lata, cetera sensim 

 minora, obsoletissime denticulata, sessilia; pedicelli inferiores usque ad 1 cm longi, superiores 

 brevlores patentes. Flores 5-meri coccinei vel aurantiaci (ex Lehmann) manifeste nutantes. 

 Calycis tubus obconicus, inferne sensim attenuatus, er. 3 mm longus, superne item crassusi 

 pilis minimis verticillatim glochidiatis densissime vestitus, setis longis brunneis horridus; lobi 

 in aestivatione aperti, sub anthesi erectiusculi, ovati usque late ovati, er. 5 mm longi, basi 

 4 — 5 mm lati, apice acuti vel acutiusculi, utrinque pilis parvis obsolete antrorsum spinuligeris 

 basi bulbiformi-incrassatis dense obtecta. Petala in aestivatione valvata vel angustissime sibi 

 imbricata, sub anthesi erecta plana vel subplana, bene evoluta 2 — 2,2 cm longa, 6 — 7 mm 

 lata, oblonga, apice obtusiuscula, basi ipsa er. 4 mm lata, integra, dorso pilis parvis obsolete 

 antrorsum vel retrorsum spinuligeris densissime obtecta, intus glabra. Squamae saccis ex- 

 ceptis a dorso anguste oblongae vel rectangtdari-oblongae, er. 1 cm longae, basi .3 mm, medio 



