794 BULLETiN DE l'herbier boissier. Grimaldia. 



'— 3. G. californica St. n. sp. 



Dioica, pallide-virens, gregarie crescens. Frons usque ad 25 mm. 

 longa, 4 mm. lata, interdum furcala, pro more ex apice innovata. ramulis 

 femineis a latere coslae ortis, crassa, antice subplana, marginibus acutis 

 erectis, costa valida (duplo tamen humilior quam stratum anticum) pos- 

 tice convexa mediaque carinatim angustata, in carina ipsa solum radicel- 

 lifera. 



Stratum anticiim altum, lamellis confertis, fila chlorophyllifera longis- 

 sima gerentibus. Stomata parva, minus convexa, 6-8 celluhs conicis, in 

 lumen pori obtuse prominulis circumdata, circulo proximo cellularum 

 late insidentibus; cellulae epidermidis trigonis validis seepe confluentibus 

 incrassatse, Squamde ventrales magnse, purpurese, appendiculis geminatis 

 (interdum solitariis) armatse, e lata basi acuminatis, varie curvatis, irre- 

 gulariter dentatis vel spinosis. Carpocephala semper in ramiilo postico 

 obcordato, e latere costae orto, apicalia, e fundo nudo costse longe pedun- 

 culata; peduncuhis basi purpureus, superne decoloratus, usque ad 25 mm. 

 longus, 'basi paleis parvis lanceolatis hirtus, ceterum omnino nudus, 

 parum sulcatus, canali parvo angusto percursus, in seclione transversa 

 elUpticus. Capitula parva, stomatis papulosa, alte umbonata, vertice 

 rotundata, breviter 3-4 loba; involucra valde attenuata, parum diver- 

 gentia, ore amplo integerrimo, Capsula fusco-rubra, cellulis basalibus 

 validis; operculum haud vidi. Sporae 60 {x, fusco-rufse, papulis numerosis 

 minus alte convexis. Elateres concolores, 3 spiri, spiris laxe tortis. Antlie- 

 ridia haud seriata sed in parvos soros aggregata. 



Hab. California Yosemite Yalley (Bolander). Primo visu distinguenda 

 squamis grosse armatis. 



4. G. pilosa (Horn.) Lindb. Musci. scand., 1879, p. 1, 

 Syn. : Duvalia pilosa Lindb. in Hartm. FI. Scand. X, p. 154. 

 Marchantia pilosa Hornem. FI. Dan. YIII, p. 24. 

 Grimaldia carnica Mass. Ann, Inst. bot. Rom. II, p. 54. 

 Monoica, minor, pallide viridis, Frons usque ad 2 mm. longa, repetito 

 irregulariterque ramosa, ramis masculis postico-lateralihus, antice canali- 

 culata, postice convexa, costa angusta, abrupte producta, carinatim angus- 

 tata, subacuta ; stratum anticum altum, lamellis minus confertis, flla 

 chlorophyllifera breviora epidermidem haud altingentia, ecellulis inflato- 

 papulosis formata. Stomata magna, maxime bullosa, in setate ubique 

 rupta, poro parvo, a 6 cellulis conicis sexserialis circumdato. Squamse 

 posticse magnse, purpurese, margine repando-angulatse et cellulis clavatis 



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