404 



MUSCI. 



terius longitudine requantibus vel ssepius brevioribus, opaci- 

 useulis, sublentem centies augontem conspicue sed irregulari- 

 ter striatic, peristomio exteriori praecipue basia versus plus 

 minus cohserentibus. 

 Structura peristoma interioris affiue O. periehaetiali Hook, et 

 Grev. 



1. Capsule and calyptra. 



2. Capsule and operculum. 



3. Capsule. 



4. Portion of the mouth of the capsule. 



5. Portion of the mouth capsule with both peristomes 

 seen externally. 



oa. Ditto, with outer peristome. 



6. 6. Operculum. 



7. Sporuh. 



8. 8. Cauline leaf. 



8a. Portion of cauline leaf. It Ass. 518. 



5. Orthotrichum ? bryoides, Gr. PI. LXXVII. Fig. III. 



Caule repente ramoso. ramis sterilibus repentibus fertiiibus erec- 

 tis, foliis coriaceis obovatis-subulato apiculatis margine fibro- 

 sis, capsula erecta oblongo-elliptica ore coarctato, calyptra 

 villosa. 



Hab : In arboribus in locis humiJis Surureeru. 



Caespitosum. Rami fertiles unciales iuferne dense radiculis 

 ferrugineis vestiti. 



Folia subcouformia, siccatione crispata tortiliaque ; madore obli- 

 que patenti-ascendentia, interdum recurva,* apices versus ra- 

 morum fertiliutn conferta, obovata, vel obvato-oblonga, re- 

 panda, auicius rotuudata, subulato-apiculata, vena crassa 

 subulata in apiculum excurrente vel saepius infra auiceni eva- 

 nida donata ; margiuibus fibrosis, integerrimis ; areolis pro- 

 genere maximis, angulatis, oblongis vel parallelogrammicis, 

 Folia perichaetialia pauca, subconformia, basi concava, exteri- 

 ora majora, interiora multo minora. 



* Maxima, longitudiue 2§ lineas, latitudiae I Hneam metientia. 



