Pluyiacfii/O. KIIANZ STKIMI ViM. SPKC.I KS HKPATIC A ItH.M i Vdl.VI. I',*21") 



27 X 45 |j., Irigonis magiiis, subnodulosis. Andrcecia parva, nie- 

 diana, bracleis quadrijugis. 



Hab. Chile. Corral (vSchubert legit). 



281. Plagiochila stipata St. n. sp. 



Sterihs niediociis rigida, dilute brunnea vel sub flavicans, in 

 cortice laxe intricala. Caiilis ad 5 cm. longus, parum breviterque 

 ramosus, ramis simplicibus vel sparsim pinnulatis. Folia caulina 

 conferta, oblique patula, canaliculatim concava, in plano oblonga 

 trigona (3 mm. longa, supra basin 2 mm. lata) subsymmetrica, 

 basi utrinque breviter decurrentia, lata basi inserta, margine 

 supero leviter arcuato, remote breviterque denticulato, ipsa basi 

 (1,35 mm. lata) quadridentata. Cellulge superae 18 x 18 jx, trigonis 

 majusculis, basales 27 x 36 |j., trigonis magnis. Stipulse majus- 

 culpe subrotundse, irregulariter dentatse et laceratse, ramentacese. 



Hab. Brasilia. Buenos Ayres (Liitzelburg legit). 



285. Plagiochila scotica. Macvicar. 



Sterilis minor rigida rufo-brunnea, setate subatra, in rupibus 

 pulvinatim csespitans. Caulis ad 25 mm. longus, parum longeque 

 ramosus. Folia caulina conferta, oblique patula, decurva, canali- 

 culatim concava, in plano late ovata, trigona, interdum subro- 

 tunda (2,75 mm. longa, supra basin 2,5 mm. lata) asymmetrica, 

 margine supero e basi semirotunda longe arcuato, regulariter 

 valideque dentato-spinoso, margine infero leviter arcuato, nudo, 

 apice folii 0,75 mm. lata, emarginato-bispinosa, spinis magnis 

 porrectis. Celhilse superse 27 X 27 p., trigonis magnis truncatis, 

 hic illic trabeculatim confluentibus, inferse 27 X 45 jj., trigonis 

 grosse nodulosis. 



Hab. Scotia (Macvicar legit); A^ores (Carreiro legit). 



286. Plagiochila suhdensispina St. n. sp. 



Sterilis gigantea rigida, rufo-brunnea, setate subnigra, in cortice 

 longe prostrata lateque expansa. Caulis ad 9 cm. longus, superne 

 sparsim breviterque ramosus. Folia caulina oblongo-trigona 

 (5,5 mm. longa, supra basin 4,5 mm. lata) leviter falcata, margine 

 supero e basi rotundata leviter arcuato, dense grosseque spinoso, 

 margine infero leviter sinuato, inferne nudo, superne remote 

 dentato, dentibus oblique patulis incurvis, apice quam basis 

 triplo angustiore, rotundato, similiter armato. Cellulse superae 



31 mai 1021 20U 14 



