794 bulletin de l'herbier boissier. Ghimaldia. 



3. G. californica St. n. sp. 



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

 longa, 4 mm. lala, interdum furcata, pro more ex apice innovata, ramulis 

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

 erectis, costa valida (duplo tarnen humilior quam Stratum anticum) pos- 

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

 lifera. 



Stratum anticum altum, lamellis confertis, fila chlorophyllifera longis- 

 sima gerenlibus. Stomata parva, minus convexa, 6-8 cellulis conicis, in 

 lumen pori obtuse prominulis circumdata, circulo proximo cellularum 

 late insidentibus; cellulae epidermidis trigonis validis saepe confluentibus 

 incrassatse. Squamae ventrales magnse, purpureae, appendiculis geminatis 

 (inlerdum solitariis) armatee, e lala basi acuminatis, varie curvatis, irre- 

 gulariter dentalis vel spinosis. Carpocephala semper in ramulo postico 

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

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

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

 parum sulcatus, canali parvo angusto percursus, in sectione transversa 

 ellipticus. 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. Sporse 60 jjl, fusco-rufae, papulis numerosis 

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

 ridia haud seriata sed in parvos soros aggregata. 



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

 squamis grosse armatis. 



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

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



Marchantia pilosa Hörnern. Fl. Dan. VIII, 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-lateralibus, antice canali- 

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

 tata, subacuta ; Stratum anticum altum, lamellis minus confertis, fila 

 chlorophyllifera breviora epidermidem haud altingentia, e cellulis inflato- 

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

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

 posticae magnas, purpurese, margine repando-angulatae et cellulis clavatis 



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