3 G. Hieronymus. 



kurzen Haarzahnchen besetzten, spitzeren, in der Epidermis der 

 Aligularseite keine sklerotischen Fasern fiihrenden Seitenblatter, die 

 verhaltnismafiig grofieren an der aufieren Basis deutlich herablaufenden 

 Mittelblatter des wedelartigen oberen Teiles der Sproftsysteme und 

 durch die andere Beschaffenheit der Makro- und Mikrosporen. 



26. Selaginella yunnanensis Hieron. nov. spec. 



Heterophyllum e turma S. decipientis Warb.; caulibus (in 

 specimina c. 3 1 /* dm altis) e basi repente vel ascendente rhizophoros 

 (in specimine usque ad 8 cm longos) compressos vix ultra J / 2 mm 

 crassos stramineo-virides gerente stolonifera suberectis, compresso- 

 teretibus, usque ad IV4 mm crassis, stramineo-viridibus, parte inferiore 

 simplicibus, parte superiore frondosa bipinnatim ramosis (ramulis 

 simplicibus vel furcatis vel dichotomis) ; foliis ubique etiam in stoloni- 

 bus brevibus heteromorphis ; piano (foliis lateralibus inclusis) in caule 

 usque ad 12 mm, in ramis primi ordinis usque ad 8 mm, in ramulis 

 ultimis infra flores angustato 3 — 4 mm lato; foliis lateralibus caulis 

 parum inaequilateris , e basi superiore rotundata parum producta 

 breviter ciliata (ciliis vix ultra 0,08 mm longis) et inferiore breviter 

 truncata ovatis, obtusiusculis, margine superiore ubique, margine in- 

 feriore solum ad apicem versus minute piloso-denticulatis, fibras scle- 

 roticas parvas parum perspicuas vix 0,1 mm longas 0,015 mm crassas 

 raras in epidermide lateris aligularis gerentibus; foliis lateralibus caulis 

 maximis c. 6 mm longis, 3 — 3 l / 4 mm latis; foliis lateralibus ramorum 

 ramulorumque angustioribus, ovato-oblongis vel oblongis, aequilateris, 

 ceterum similibus; ramulorum ultimorum vix ultra 3 l / 2 mm longis, 

 l 1 /^ mm latis; foliis axillaribus multo minoribus, in caule vix ultra 

 3 mm longis, l l /a mm latis, aequilateris, e basi utraque rotundata 

 breviter ciliata ovatis, acutiusculis, margine ubique minute piloso- 

 denticulatis; foliis intermediis e basi exteriore decurrente et interiore 

 rotundata late oblique ovatis, in cuspidem acuminatis, margine basi 

 exteriore decurrente excepta ubique piloso-denticulatis vel basi in- 

 teriore breviter ciliatis; maximis caulis (cuspide c. 1 j 9 mm longo in- 

 cluso) c. 3 mm longis, 2 mm supra basin latis; foliis intermediis 

 ramorum et ramulorum multo minoribus, longius subaristato- acumi- 

 natis ; in ramulis ultimis (cuspide c. */, mm longo incluso) vix ultra 

 l l /. 2 mm longis, vix a / 4 mm latis; floribus (spicis) c. 3 — 5 mm longis, 

 platystichis, l 1 2 — 2 mm crassis; sporophyllis (bracteis) heteromorphis; 

 dorsalibus valde inaequilateris (semifacie in lumen inclinata latiore 

 obscurius viridi, semifacie altera angustiore subhyalina), oblique ovato- 

 cymbiformibus, acutis, margine ima basi excepta crebre piloso-denti- 

 culatis, dorso manifeste carinatis (carina obscure viridi usque ad 

 0,1 mm alta, apicem versus minute piloso-denticulata); maximis 

 P 4 — 2 mm longis, c. 1 mm supra basin latis; sporophyllis ventralibus 

 minoribus aequilateris, ubique subhyalinis, brevius acutis, ceterum 



