Brown. — On the Genus Orthotrichum. 



443 



Fruitstalk erect, ^in. long. Capsule ovate-oblong, exserted. 

 Peristome double : outer 8 bigeminate, entire ; inner 3 cilia 

 consisting of two rows of cells, alternating witb the outer 

 teeth. Operculum &nd calyptra not found. Male inflorescence 

 gemmaceous in the axil of a leaf. 



Hab. Eocks, Mount Torlesse ; January, 1886. Collected 

 by E.B. 



EXPLANATION OF PLATES XXXV.-XL1I. 



Plate 



Fig. 1. — Orthotrichum conico- 

 rostrum. 



1. Capsule and operculum. 



2. Calyptra. 



3. Peristome. 



4. Inner perichaetial leaf. 



5. Outer perichaetial leaf. 



6. Outside the perichaetial leaf. 



7. Upper stem leaf. 



8. Middle stem leaf. 



Fig. 2. — Orthotrichum pulvinatum. 



1. Capsule. 



2. Operculum. 



3. Peristome. 



4. Calyptra from immature plant. 



5. Inner perichaetial leaf. 



6. Outer perichaetial leaf. 



7. Upper stem leaf. 



Fig. 3. — Orthotrichum breve. 



1. Capsule and operculum. 



2. Calyptra. 



Plate 

 Fig. 6. — Orthotrichum calcareum. 



1. Capsule. 



2. Operculum. 



3. Calyptra. 



4. Peristome. 



5. Inner perichsetial leaf. 



6. Outer perichaetial leaf. 



7. Upper stem leaf. 



8. Middle stem leaf. 



Fig. 7. — Orthotrichum obliqtium. 



1. Capsule. 



2. Calyptra. 



3. Inner perichsetial leaf. 



4. Outer perichaetial'leaf. 



5. Upper stem leaf. 



6. Middle stem leaf. 



Fig. 8. — Orthotrichum flexifolhim. 



1. Capsule. 



2. Calyptra. 



3. Peristome. 



XXXV. 



3. Peristome. 



4. Inner perichaetial leaf. 



5. Outer perichsetial leaf. 



6. Stem leaf (upper). 



Fig. 4. — Orthotrichum ornatum. 



1. Capsule. 



2. Calyptra. 



3. Peristome. 



4. Inner perichsetial leaf. 



5. Outer perichsetial leaf. 



6. Upper stem leaf. 



7. Middle stem leaf. 



Fig. 5. — Orthotrichum gracillimum. 



1. Capsule (scarcely matured). 

 Calyptra. 



Inner perichaetial leaf. 

 Outer perichaetial leaf. 

 Outside the perichsetial leaf. 

 Upper stem leaf. 

 Lower stem leaf. 

 Peristome. 



2 



3, 



4. 

 5 

 6 

 7 

 8 



XXXVI. 



4. Inner perichsetial leaf. 



5. Outer perichaetial leaf. 



6. Upper stem leaf. 



7. Middle stem leaf. 



8. Lower stem leaf. 



Fig. 9. — Orthotrichum lancifolium. 



1. Capsule. 



2. Calyptra. 



3. Inner perichaetial leaf. 



4. Outer perichsetial leaf. 



5. Outside the perichsetial leaf. 



6. Middle stem leaf. 



Fig. 10. — Orthotriclmm clintonii. 



1. Capsule. 



2. Immature operculum. 



3. Calyptra. 



4. Inner perichaetial leaf. 



5. Outer perichsetial leaf. 



6. Male inflorescence. 



7. Upper stem leaf. 



8. Upper stem leaf. 



