1895.] 



MICROSCOPICAL JOURNAL. 



77 



Spores ovoid, colorless, apo. scutelliform. — Continued. 



2 Th . foliaceous or f ruticulose dark green 27 CoUema 



2 Th. foliaceous or fruticulose lead colored 28 Leptogium 

 b Apothecia globular 3 



3 Immersed in the thallus 63 Endocarpon 

 3 Apothecia innate 69 Verrucaria 

 3 Globose, prominent depressed 72 Strigula 



Spores ellipsoid, not simple. 

 2-locular a 

 Muriform multilocular b 



Quadrilocular c 

 Bi-quadrilocular d 

 Bi-plurilocular e 

 Colorless 1 

 Brown 2 

 1 Thallus granulose 

 1 Thallus fruticulose x 



X Thallus leathery, disk and thallus pale 

 X Th. dark green 

 X Th. lead colored 

 1 Thallus foliaceous y 

 y Dark green 

 y Lead colored 

 1 Thallus uniform z 

 z Apothecia patellaeform 

 z Apo. rounded, difform, oblong black 

 Thallus folliaceous p 

 Th. crustaceous q 

 Th. frond ose 

 Th. lobulate r 

 Thallus uniform s 

 Thallus obsolete t 

 p Disk thickish 

 Disk not thickish 



Apothecia scutellaeform, black all over and 

 Apo. crateriform, stipitate 

 Apo. immersed in thalline warts 

 Apo. zeorine or biatorine 

 r Apo. globular immersed in thalline warts 

 s Apo. zeorine or biatorine 

 s Apo. difform rounded or oblong black 

 s Apo. immersed in a white stroma 

 t Apo. difform rounded or oblong black 

 t Apo. crateriform, stipitate 

 b Apothecia scutellaeform 1 

 b Apo. patellaeform 2 

 b Apo. crateriform 

 b Apo. urceolate 3 

 b Apo. lecanoroid 

 b Apo. lirelelaeform 4 

 b Apo immersed 5 



1 Thallus fruticulose m 

 m Disk colored differently from the thallus 

 m Thallus dark green 

 m Th. lead colored 

 1 Th. crustaceous foliaceous 



25 Pyrenopsis 



2 Ramalina 



27 Collema 



28 Leptogium 



27 Collema 

 28 Leptogium 



45 Heterothecium 

 50 Melaspilea 



18 Solorina 



11 Physcia 



12 Pyxine 

 lecideoid 12 Pyxine 



61 Calicium 



66 Staurothele 



32 Rinodina 



66 Staurothele 



32 Rinodina 



50 Melaspilea 



54 Chiodecton 



50 Melaspilea 



61 Calicium 



60 Acolium 

 Myriangium 



6 Alectoria 



27 Collema 



28 Leptogium 



13 Umbilicaria 



