— 189 



Dioica magna robusta, rigida, tlavescens, in cortice laxe caespitans varieque intricata. Caulis 

 ad 7 cm longus, simplex crassus, fusco-rufus. Folia caulina contigua, oblique patula, leviter concava, 

 in piano ovato-oblonga (6,5 mm longa, medio 3,5 mm lata) asymmetrica, margine supero longe arcuato, 

 regulariter remoteque spinoso, margine infero e basi leviter 

 sinuata substricto, superne remote minuteque dentato, apice 

 truncata, dense breviterque sexdentata. G e 1 1 u 1 a e superae 

 36/36 (j., basales 36/90 n trigonis subnuUis. Androecia 

 magna, terminalia, longe spicata, spicis longe ramosis irregu- 

 lariter pinnatis et bipinnatis, patulis. 



Tablas 1800 m, No. 4612. 



92. Plagiochila alpina G. 



Tablas 1800 m, No. 2849, in rupibus humidis 

 caespitans. 



93. Plagiochila ampliata St. n. sp. (Fig. 106, c). 



Sterilis magna robusta rigida, flavo-rufescens, in rupibus 

 laxe caespitans lateque expansa. C a ul i s ad 10 cm longus, 

 simplex vel apice turcatus. Folia caulina conferta, 

 recte patula, valde concava, in piano late triangulata (6,5 mm 

 longa, supra basin 6,5 mm lata) ad medium accreta, apice 

 0,75 mm lata, tridenticulata, asymmetrica, marginibus nudis, 

 infero substricto, supero e basi late rotundata substricto. 

 C e 1 1 u 1 a e superae 18/18 (i trigonis parvis, basales 27/63 n, 

 trigonis magnis attenuatis. 



Florida de San Mateo, No. 3666. 



94. Plagiochila anguste-oblonga St. n. sp. (Fig. 107, a). 



Sterilis magna rigidula, intense rufescens, in cortice laxe 

 caespitans. Caulis ad 7 cm longus, regulariter remoteque 

 pinnatus, pinnis 12 mm longis, parvifoliis. Folia caulina 

 adulta anguste oblonga (4,5 mm longa, medio 2 mm lata) 

 asymmetrica, margine supero longe arcuato, infero stricto 

 superne remote breviterque dentato, apice 0,75 mm lata, irre- 

 gulariter quadrispina, spinis longis varie patulis, plus minus 

 longis. C e 1 1 u 1 a e superae 27/36 jjl basales 27/54 (i, parie- 

 tibus validis. 



Tablas, No. 4554, 4656. 



95. Plagiochila apicidens St. n. sp. (Fig. 107, b). 



Sterilis magna robusta, rigida, tlavo-rutescens, in cortice 

 laxe caespitans. Caulis ad 8 cm longus, simplex vel parum 

 breviterque raraosus. Folia caulina oblongo-triangulata, 

 (6,5 mm longa, supra basin 5 mm lata) asymmetrica, margine supero e basi late rotundata superne stricto, 

 margine infero stricto, basi utrinque attenuata, longius decurrente, apice obtusa, bidentata, sub apice 

 (in margine infero) regulariter quadridentata. C e 1 1 u 1 a e superae 27/27 -^ trigonis subnodulosis, 

 medio basique 27/90 n, trigonis majusculis subnodulosis. 

 Incacorral (I. Reise). 



96. Plagiochila argentina Gottsche. 



Corani 2600 m, No. 5066. 



97. Plagiochila bahiensis Ldbg. 



Corani, No. 3391. 



Fig. 106. a Plagiochila Albeni St. n. sp. fol. 

 caul.; b P. Ambronnü St. n. sp. fol. caulin.: 

 c P. ampliata St. n. sp. folium caulinum 10: 1. 



