— 401 



Madotheca rivularis Nees. Vancouver: Victoria (23^ 24). 

 Madotheca navicularis (L. & L.). 



Washington: Weston, Cascaden (17), Enurnclaw (18), 



Seattle (20). Vancouver: Victoria (14, 19). 



JVladothecaRoelliiSteph.n.sp, Bot. Centralbl. 1891. No.7. 



Dioica , dense depresso - caespitosa , viridis vel flavo- 

 brunnea, flaccida. Caulis procumbens usque ad 6 cm longus, 

 basi filiformis defoliatus, furcatus, furcis longis sirapliciter 

 remoteque pinnatis, pinnulis brevibus parvifoliis, inferne saepe 

 ^ttenuatis deflexis. 



Folia dense imbricata, ovata, recte paten tia concava, 

 devexa, antice usque ad medium libera, caulera parum su- 

 perantia, apice angustiore truncatula, margine postico inter- 

 dum undulata vel crispatula. Lobulus folio fere duplo brevior 

 eoque vix connatus, ligulatus vel ovato oblongus, basi sua 

 profunda excisus utroque latere longe decurrens maximeque 

 calcaratus, calcaribus plus minus grosse dentatis. Cell. 

 0,017 mra^ basi 0^025 mm trigonis parvis. 



Amph, lobulis parum majora, ovato linguaeformia raar- 

 ginibus apiceque recurvatis, alls crispatulis longe de- 

 currentibus. 



Flores feminei in ramulis longiusculis, bracteae intimae 

 foliis vix majores, ovatae, obtusae vel acutae, integerrimae 

 vel minute denticulatae, lobulo ovato- lanceolato acuto sub- 

 integro, bracteolum ovatum apice denticulatum. 



Reliqua desunt. 



Hab. Washington : Kitchelos Lake Cascades. Dr. Roll 



1888. 



Anthoceros stomatifer Aust. 

 Washington: Tacoma (1), 



Anthoceros [spec. 



Washington: Roslya (70). 



r^/^ rx ^ /-\/-V/^,'^' 



Erklarung der Abbilduogen. 



1. Rindenzellen mit Membranverdiinnungen und -Falten von 



Sph. Wilsoni m. v. quinquefarium m. f. purpurascens m. 



von Princeton Wisconsin (No. 5). c. *'**/i. 



2. Zellen aus dem oberen Theil eines basalen Astblattes mit 



grossen und kleinen Poren, von Sph. Wilsoni m. v, quinque* 

 fariiim m. f. rigidulum m, von Milwaukee Wisconsin (83). 



C. 870/^. 



