MUSCI. 



57 



lutescens, basi fuscatum. Caulis brevissimus gemmiformi-ovatus, vel oblongus, apice aeutiusculus. Folia 

 dense imbricata, concava, integerrima, cordato-ovata , cuspidafa, costa lutescente in pilum liyalinum exce- 

 dente, cellulis basi laxioribuspellucidis, versus apicem folii densioribus, chlorophyllosis, anguslo rhombeis, 

 lutescente-diaphana; perichaetialia crassius nervosa, laxius reticulata, subconformia. Pedicellum in raule 

 fertili breviore gracillimum, caulem 10-plo superans 3/4" fuscatum. Capsula subrecla, brcvicollis, rylin- 

 drica, operculo conico obtusissimo. 



Ad rupes pr. Vera Cruz (Strebel). 



Cum Trichostomo obtusifolio intermixtum. Brachymenio imbricato Seh. affine. (line, he. cit.) 



Polytrichia (Catharinella) subgracile Hpe in Bot. Zeit. 1870, n° l\. — ■ Dioicum gracile simplex, sesqui- 

 unciale, vix biunciale. Caulis erectus angusius semiuncialis vix paulo longior. Folia laxe imbricata, sicca 

 convoluto-incurvalaxe accumbentia , humida plana, dorso laevia,erecto-palula, e basi brevi vaginante obovata, 

 pellucida integerrima; costa angustata rufescens lamina longior lanceolala, cosla lameliata fusea laminam 

 fere tolam occupans, margine anguslo diaphano, parce obtuse dentata vel subintegerrima. Capsula in pedi- 

 cello caulem superante erecto, parva obliqua adscendenshorizontalis, vesiculis parvis adspersa subcylindrica, 

 ore ampiiore rubro vetusto angulato-striata, operculo planiusculo mammillato; peristomii denlibus brevio- 

 ribus, incurvis, lingulatis striatis aureo-rufescentibus. Calyplra pallide auranliaca capsulam obtingens. 



Pr. Vera Cruz (Strebel). 



A P. tortili differt : statura graciliore, foliis brevioribus , minus den talis, interdum integerrimis. A P. Cubensi 

 Sulliv. : statura graciliore et minore, foliis angustioribus parce dentatis et capsula minus vesiculis oblecla. 

 (Hpe, he. cit.) 



Polytrichia (Catharinella) albovaginatim Hpe in Bot. Zeit. 1870, n° h. — Dioicum, sesquiunciale 

 erectum. Caulis bumilis 3-i linearis. Folia laxe imbricata, flaccide tortilia humida plana, e basi pallida 

 latiore obovata integerrima, cellulis basilaribus anguste hexagonis pellucida, lateralibus chlorophylloso- 

 punctatis striatis; costa basi fusca angustata, in lamina, vagina longiore, lanceolala, acuta, dorso lapvi, 

 lamellato, earn fere totam occupante margine anguslo diaphano dentato-serrata. Capsula in pedicello ereclo 

 unciali vel longiore, parva curvula subcylindrica, vetusta angulata papillosa, operculo prominente umbonalo. 

 rostro brevi lerminato. Calyplra pallide auranliaca. 



Pr. Vera Cruz (Strebel). 



A. P. octangulari differf foliis laxioribus minus dentato-serratis , vagina palula pallescenle. (Hpe, he. cit.) 



Hypnum (Chryso-uypnum) pendulinum Hpe in Bot. Zeit. 1870, n° h. — Monoicum, procumbente-reptans , 

 pallidum. Caulis pinnatim ramosus, apice radicante, ramis brevibus flexuosis, minime compressis. Folia un- 

 dique imbricata, erecto-patentia , squarrulosa , ovato-lanceolata, basi caviuscula, margine paulisper reflexa, 

 apice denticulalo-serrata, costis binis brevibus pallidis, cellulis alaribus paucis angulato-granulatis, griseo- 

 fuscis, subpellucidis, ceteris abbreviato-linearibus, nodulis lucidis interruptis, subhyalina; perichaetialia basi 

 vaginante cordata longe setaceo-acuminata, reflexa, integerrima, cellulis laxioribus elongate rhombeis, no- 

 dulis splendentibus interruptis, ecostatis. Capsula in pedicello unciali et ultra, apice bamato-incliualo, an- 

 gusta, oblongo-cylindrica, nutans, operculo conico recte apiculato. 



Pr. Vera Cruz (Strebei.). 

 Ab llypno thelistego C. Mull, pn.no visu differt : capsula oblongo-cylindrica et operculo conico recto api- 

 culato, nee mammillato. (Hpe. foe. cit.) 



8 



BOTANIQUB. 



