360 MUSCI PR2ETERITI. 



exsicc. no, 318 (a. 1847), foliis 12-20-jugis, elongatis, limbo valde 

 incrassato circumductis, capsula plerumque horizontali. Hab. 

 Bagneres-de-Bigorre in lapidibus rivnli supra fontem La fontaine 

 ferrwjineuse dictum. An species propria? (F. Pyrenaicus, Mst.j" 

 This very distinct species has been taken up by Schimper in 

 his 2nd edition as new, under the name U F. rividaris, Schimp."; 

 but, whichever name be adopted, both names are mine, and not 

 Schimper' s. 



" Fissidens fontanus, Schimp. ; Spruce, Musci Pyren., no. 316. 

 Hab. ad saxa emersa rivnli Adour de Lespo?ine.' } 



Syn. F. incurvus (3 fontanus, Bryol. Eur., fasc. 17 (a. 1843), pro 

 parte. F. crassipes, Wils., var. rufipes, Sch., Syn. ed. 2.=F. 

 Mildeanus, Schimp., in Bab. Bryoth. Eur. Cum descriptione 

 Synopseos accurate convenit quoad caulem elatum valde ramosum, 

 folia lurido-viridia toto ambitu crasse flavido-limbata ; differ t 

 solum pedicello pallido vix rufescente et capsula pallida tenera. 

 Lamina dorsalis folii basin attingens et in caule breviter decurrens. 



My Pyrenean specimens were named by Schimper himself ; but 

 when he afterwards published the moss as a species, distinct from 

 F. incurvus, it was under Wilson's MSS. name F. crassipes : although 

 the name "fontanus " can claim priority of publication. Such high 

 authorities as C. Miiller andLindberg consider F. crassipes at most 

 a subspecies of F. incurvus, Schwgr. As regards F. fontanus (or 

 Mildeanus), I would suggest a suspension of judgment until the 

 inflorescence can be accurately revised, for it seems to me dioicous, 

 as I can find no male flowers whatever on my specimens. 



I add a few remarks on the Fissidentes growing in this neighbour- 

 hood (Castle-Howard) as represented in my herbarium, gathered in 

 1839-49. 



Fissidens pusillus, Wils. ! This is perhaps our commonest 

 species, growing on sandstone in the Park Quarry (now a rocky, 

 wooded dell), and in many similar sites where the same rock is 

 found ; also on arenaceo-calcareous rock in Mowthorpe Dale, &c. 

 My specimens agree perfectly with typical ones from Wilson, but 

 differ so much from Schimper's description (Synopsis, ed. 2, p. 113), 

 especially in the inflorescence, that I copy here my notes on them 

 for comparison. 



Heteroicus (dioicus — raro autoicus), simplex vel ipsa basi 

 ramosus. Folia pallida 3- (rarissime 4-5-) juga, superiora lineari- 

 ensiformia, apice lanceolate acuminate integerrimo vel repandulo ; 

 limbo perangusto cum costa in folii apice desinente vel subbreviore 

 ad auriculam paulo latiore; lamina dorsali basi valde angustata 

 cum folio vix contermina. Capsula brevi-cylindrica vel ovali- 

 cylindrica, erecta vel inclinata, tenera, sicca sub ore valde coarctata. 

 Operculum e basi conica in rostellum subobliquum acuminatum 

 subobtusum abiens. Peristomium infra capsulse orificium ortum ; 

 dentes ad J fissi, crura subulato-filiformia exasperata. Plantse $ 

 humillimse, simplices vel hi trifidse, quoque ramo apice florifero ; 

 bracteae apice lamina brcvi auctae. Rarissime oritur ramulus $ e 

 caulis fertilis ipsa basi. Hab. Castle-Howard woods, frequent 



