792 BULLETLN DE l'herbier BOissiER. Grimaldia. 



GRIMALDIA Raddi. 



Opusc. sc. Bol. II, p. 3o6. 



Planlse frondosce, minores, gregarie crescentes. terreslres vel rupicola^, 

 radiciiiis brevibus arcte repentes, virides, subtus inlerduni purpurea3. 

 Frons furcata, ssepe e latere cost^einnovata vel ex apice innovata, linearis, 

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

 anticum alte cavernosum, cavernas pro parle solum porifercC sub epider- 

 mide filis erectis liberis dense repletae. Stomata simplicia, valde convexa. 

 Cellulee epidermidis magis alta^ quam lataj. Squamde postictc magna} vel 

 maximse, biseriatse, pro more appendiculis geminatis magnis, lanceolatis 

 inslructse. Inflorescentia monoica vel dioica. Androscia in dorso frondis. 

 Antlieridia vel dispersa vel in soros aggregata nuda, ostiolis verrucifor- 

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

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

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

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

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

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

 maturitatis lale hiantibus. Perianthia nulla. Capsula spha^rica, brevipe- 

 dicellata, bulbo magno inserla, operculo bene definito dehiscens, annulo 

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

 magnae, laxe reticulatae, areohs convexo-prominulis vel bullosis. 



1. Grimaldia dichotoma Raddi I. c. 



Syn. G. angustifolia (Necker) Lindb. 



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

 longa, anguste hgulata, interdum furcata (pra^cipue in fronde cT) pro 

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

 lata, postice convexa; costa humihs, carina postica minus distincla; 

 stratum anticum altum, filis chlorophylliferis longis, usque ^ad epider- 

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

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

 satse. Squamae posticaj magnas, purpurece, appendiculis geminatis remotis 

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

 dum costae insidens. 



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