^24 G. Lindau. 



Von B. panamense durch die breiteren, kahlen, nicht weisshaarigen 

 Blatter, die Behaarung und die geringere Zuspitzung der Brakteen, 

 langere Bliiten sofort zu unterscheiden, sonst dieser Art aber scheinbar 

 sebr nahe verwandt. 



2. Blechum panamense Lindau, nov. spec. 



Suffrutex, 20—35 cm altus, ramosus, caulibus sublignosis, ramis gla- 

 brescentibus, ad apicem versus lineis duabus puberulis. Folia lanceolata, 

 curvata, basi in brevem petiolum angustata, apice acuta, 4 -9 cm longa, 

 4 — 12 mm lata, utrinque albociliata et aspera. Spica terminalis, usque 

 ad 3,5 cm longa, pedunculo vix 1 cm longo, rhachi pubescente. Bracteae 

 imbricatae, ovatae, apice acuminatae, basi sessiles, albopilosae, in media 

 spica ca. 13X6 mm. Bracteolae lineares, obtusae, pilosae, 7X1 mm. 

 Calicis laciniae 5, lineares, 5 X 0,75 mm, pilosae. Corolla violacea vel 

 lilacina, extus puberula, 15 mm longa, tubo 8 mm longo, 1,5 mm diam., 

 in faucem 5 mm diam. metientem ampliato, lobis subrotundatis, ca 5 — 

 6 mm diam. Pilamenta ad basin faucis affixa, lateraliter 2 basi con- 

 juncta et linea decurrentia, 4 resp. 2 mm longa Antherae biloculares, 

 2 mm longae. Pollinis granula typica, 62 — 77 /n diam. Discus parvus. 

 Ovarium 2,5 mm altum, puberulum. Stylus pilosus, 14 mm longus, stig- 

 mate 1 mm longo. Capsula 6 mm longa, 4 mm lata, puberula, estipitata, 

 ca. 12-sperma. Semina subrotundata, ca. 2 mm diam. Jaculatores 

 hamati, 1 mm longi. 



^Panama: Canal Zone prope Prijoles, 10-30 m s. m., P it tier 

 no. 2681 flor. fruct. Pebr.; Mamoni River in silvis ad saxa, 150-400 m 

 s. m., Pittier no. 4487 flor. fruct. Octob.; Mamoni River, supra Chepo, 

 20—25 m s. m., Pittier no. 4733, flor. fruct. Octob. 



Von B. Brownei durch die viel zugespitzteren Brakteen, die Be- 

 haarung und vor allem durch die Blattform verschieden. 



3. Ruellia (Dipteracanthus) Montezumae Lindau, nov. spec. 



Planta lignosa, 2 metralis, ramosa, racemis subtetragonis,pubescentibus, 

 adultis subteretibus, glabrescentibus. Folia petiolis 1,5 -3 cm longis, pubes- 

 centibus, ovalia apice acuminata, obtusiuscula, basi sensim angustata, rarius 

 ex rotundato acuminata, 12— 18 cm longa, 6—7 cm lata, superiora multo mi- 

 nora, suprapubescentia vel fere omnino glabra, cystolithigera, infra ad nervos 

 pubescentia, impresse punctato-glanduligera. Flores in axillis superioribus 

 solitarii, oppositi, pedicellis pubescentibus, 4 mm longis. Bracteolae 

 desunt. Calicis lobi basi ad 3 mm connati, ad apicem liberi, late lanceo- 

 lati, 23 mm longi, 5 mm lati, pubescentes, glandulis punctiformibus dense 

 intermixtis. Corolla albo-cremea, maxima, extus pubescens, glandulis 

 punctiformibus intermixtis, intus glabra. Tubus 60 mm longus, basi 6 mm 

 diam., dein angustatus ad 4 mm diam., ad apicem in faucem 30 mm 

 diam. metientem oblique ampliatus. Lobi subtriangulares, apice rotun- 

 dati, 22 mm longi, 12 mm lati. Filamenta lateraliter 2 basi connata et 

 striiformiter decurrentia, ca. 45 mm longa, longissime exserta, ad basin 

 faucis affixa. Antherae biloculares, obtusae, 7 mm longae. Pollinis gra- 

 nula globulosa, 110—135 /u diam. Discus 1 mm altus. Ovarium 4 mm 



