211 



gastrio coDnata. Cell. marg. 0,025 mm rcliquae 0,045 mm 

 trigonis nnliis. Ampli, magna, caiile subtriplo latiora, ad ^/s 

 emarginata, iaciniis lanceolatis acutis, extus brcviter uniden- 

 tatis utroque latere foliis late connatis. Perianthia baud 

 inriovata, obconico-trlquetra, apice ad ^j^ trifida^ segmentis 

 profunde eraarginato-bifidis , late alata, alis longc decurren- 

 tibus irregularitor grosse spinosis; folia floralia erecla ob- 

 longo-linearia, apice emarginato-bidentata, marginibus pau- 

 cidentatis. 



Amph. invol. intimum subquadraturn concavum, emar- 

 ginato - bidectatum j foliis suis late connatum , marginibus 

 paueidentatis, recurvis. 



Androccia in ramulis lateralibus teiminalia, bracteis 

 5 jugis, antice inflato-lobatis decurvis, apice emarginato- 

 biHdis ventre amphigastrio magno quadrifido coalitis. 



Bourbon, leg. Rodrignez. 



don toscli isma ligulatum St. ■ — Sterile, glauces- 

 eens, laxe caespitosum in cortice putrido reptans. Caulis 

 basi pauciramosus^ ramis posticis longioribus arcuatis, sim- 

 plicibus, iteratiui radicantibus. Folia parum imbricata, fere 

 recte patentia, adscendentia , plana, ligulata , antice longe 

 decurrentia, postice breviter inserta. Cellulae pellucidae, 

 margine 0^025, medio 0,035, basi 0,025 : 0,050 mm trigonis 

 distinctis cuticula verrucosa, Amph, ubique praesentia caule 

 aequilata, triangularia, valde recurva apice bifidula. Cetera 

 desunt, 



Bourbon, leg. Rodriguez. 



Plagiochila Boryana Gottsche ms. — Dioica, spec- 

 tabih's, flavo-virens, laxe cae&pitans. Caulis 10 — 12 era 

 longus, simplex sub flore innovatus. Folia subimbricata, 

 oblique patentia (angulo 50**) antice longe decurrentia, 

 postice in medio folii breviter inserta ampliata , alis irabri- 

 catis caulem parum superantibus (baud cristato-conniventibus) 

 ovato-oblonga, margine antico substricto angnste recurvo, 

 postico arcuato regulariter dentato, dentibus acuminatis versus 

 apicem folii increscentibus, apice rotundata 4— S-dentato- 

 spinosa. Perianthia terminalia, innovatione simplici pseudo- 

 latcralia , late compresso-campanulata, ore amplo rotundato 

 grosse dentate - ciliata , utroque latere alata , alis grosse 

 spinosis; folia flor. caulinis similia majora magisque spinosa. 



Bourbon leg. Bory de St- Vincent. 



Haec planta, olim (Lindbg, in Monogr. Plagiocbil.) 

 P. macrostachyae adnumerata (vide Gottsche in adnotatio- 

 nem ad plantam originalem^ in Museo bot. Berol. asser- 

 vatam) nuperius a Rodriguez in eadera insula reperta est. 



