bulletin de l'herbier boissier. Grimaldia. 



GRIMALDIA Raddi. 



Opusc. sc. Bol. II, p. 356. 



Plantae frondosse, minores, gregarie crescentes, terrestres vel rupicola?, 

 radiculis brevibus arcte repentes, virides, sublus interdum purpureae. 

 Frons furcata. sa-pe e Ialere cosUe innovata vel ex apice innovata, linearis, 

 antice canaliculata; costa crassa, fere semper acute carinata. Stratum 

 anticum alte cavernosum, cavernae pro parte solum porifera sub epider- 

 mide filis erectis lihern drusr rrpletx. Stomata simplicia, valde convexa. 

 Cellute epidermidis magis altae quam lata?. Squamae postica? magnae vel 

 maxima?,, biseriatae, pro more appendiculis geminatis magnis, lanceolatis 

 instructse. Inflorescentia monoica vel dioica. Andrcecia in dorso frondis. 

 Antheridia vel dispersa vel in soros aggregata nuda, osliolis verrucifor- 

 mibus, purpureis. Carpocephala longe vel longissime pedunculata, pedun- 

 culo — strato hypoporo recedente, ex apice costae orto, postice sulco 

 singulo profundo instructo, basi paleaceo. Capitula parva, vertice convexa 

 alteque papulosa, stomatis compositis ut in Reboulia, breviter quadriloba. 

 Involucra (sub lobis evoluta, haud interlobulares) normaliter 4, e mar- 

 gine loborum orta, oblique descendentia, monogyna, inflata, tempore 

 maturitatis lale hiantibus. Perianthia nutla. Capsula spluerica, brevipe- 

 dicellata, bulbo magno inserta, operculo bene definito dehiscens. annulo 

 distincto. Calyptra tenera. Elateres breves, fusiformes 3 spiri. Sporae 

 magnaa, laxe reticulalee, areolis convexo-prominulis vel bullosis. 



1. Grimaldia dichotoma Raddi 1. c. 

 Syn. G. angustifolia (Necker) Lindb. 



Monoica et dioica, fusco-viridis, dense gregaria. Frons usque ad 3 cm. 

 longa, anguste ligulata, interdum furcata (pracipue in fronde tf) pro 

 more simplex, apice (rarissime postice) innovata, crassa, antice canalicu- 

 lata, postice convexa; costa humilis, carina postica minus distincta; 

 stratum anticum altum, filis chloropbylliferis longis, usque ,ad epider- 

 midem protractis. Stomata anguste alteque papulosa, poro parvo sex cel- 

 lulis conicis, 4-5 seriatis circumdato. Cellula? epidermidis haud incras- 

 sahe. Squamse posticai magme, purpureai. appendiculis geminatis remotis 

 e lata basi anguste lanceolatis; tertia squamarum series mediana inter- 

 duiu costa: insidens. 



