193 -- 



Plagiachila capillicaulis Sl. n. 

 ramul. 15: 



b toi. 



ul 15: 1: 



106. Plagiochila Buchii St. n. sp. (Fig. 112, a). 



Sterilis magna gracilis flavescens, rigidula, in rarais arboruni nidulans et pendula. C a u 1 i s 

 ad 8 cm longus, capillaceus, irregulariter remoteque ramoäus, ramis simplicibus vel pinnula auctis. F o 1 i a 

 c a u 1 i n a contigua, oblique patula, parum concava, in piano anguste oblonga (3 mm longa, supra basin 

 1,75 mm lata) asymmetrica, margine 

 s u p e r e basi leviter arcuato superne 

 stricto, infero stricto, apice rotun- 

 data, tridenticulata, sub apice sparsim 

 similiterque armata. C o 1 1 u 1 a e su- 

 perae 27/27 ti., trigonis majusculis, 

 basales 27/36 tj., trigonis subnullis. 

 San Mateo-Sunohal, No. 4441. 



107. Plagiochila bursata Ldbg. 



Sdlar 1800 m, i\o. 2768. 



108. Plagiochila Camusü St. n. sp. 

 (Fig. 112, b— e). 



Dioica major rigida, rufescens, 

 in cortice laxe intricata. Caulis ad 

 10 cm longus, validus, parum longeque 

 ramosus. Folia caulina remo- 



tiuscula, oblique patula, canaliculalim concava, in piano anguste-oblonga, (4 mm longa, medio 1,75 mm 

 lata) symmetrica, marginibus aequaliter longeque arcuatis, basi oblique truncata, latissime inserta, apice 



obtusa, irregulariter trispinosa, sub 

 apice nuda vel pauci-denticulata. 

 Cellulae superae 18/18 ji, basales 

 1 8/36 (1, trigonis nullis. P e r i- 

 a n t h i a magna, 4 mm longa, 

 oblongo-obconica, ore dense longe- 

 que ciliato. Folia floralia 

 caulinis similia, similiterarmata. 

 Androecia desunt. 



Tablas 1800 m, No. 4534. 



109. Plagiochila capillicaulis St. n. 



sp. (Fig. 113). 



Sterilis mediocris gracillima, 



flavescens, in rupibus pulvinatim 



caespitans. Caulis ad 4 cm 



longus, tenuis, irregulariter ramosus, 



ramis sparsis longiusculis, interdum 



fasciculatim aggregatis. Folia 



caulina imbricata, cauli a latere 



appressa, parum concava, in piano 



ovato-trigona (2,5 mm longa supra 



basim 2 mm lata) subsymmetrica, 



margine s u p e r o longe arcuato 



irregulariter denseque dentato, hie illic spinoso, margine infero substricto nudo, apice 0,75 mm 



lata, oblique truncata, angulis valide dentatis, ad medium inserta, basi antica truncato-rotundata 



similiter spinosa. Cellulae superae 18/18 si, basales 18/36 n, trigonis majusculis acutis. 



In valle Chocaya 3400 m, No. 3613. 



25 

 Blbliotheca bofanica. He(t 87. 



Fii,'. 114. a Plagiochila Caversii St. 11. .sp. 7:1: b — c P. connalisüpula St. 

 b fol. caul. 10: 1: c Involucrum 10: 1.: rfi'. Corbieri&l. n. sp. toi. caulinuii 



