EAIBRYOPHYTA— BRYOPHYTA 



309 



Fig 116 A. Lichen— Iceland Moss {Ceiraris islandica). p. Paraphyses. o. Asci. 

 b. Ascospores. ^. Subhymenial layer, g. Gonidia or alga. h. Hyphae. r. "Cortical portion. 

 B Lichen. (Synalissa symphorea) sending its hyphae into an alga Glococapsa. L. Arcliegon- 

 inm of fern {Poiypodium vulgare) with egg cell. b. Antheridium with sperm cells c. Single 

 coiled sperm cell. D. Liverwort (Marchantia polymorplia). a. Large gemmule or bud. 

 b. Same section of thalloid structure bearing scales, .r. G. Antheridium with sperm cells 

 shown at b. H. Foliaceous lichen Physcia pulverulenta. I. Section of male plant of 

 moss. Phascum cuspidatum. a. Antheridium. b. Archegomum. /. leaves, p. Faraphyses. 

 K Shield Fern {A<;pidium Felix-Mas), pinnule bearing sori. a. Indusiiim, undcrnearth the 

 sporangia. L. Sporangium of the same with ring and stalk with the spores at a. M. 

 Sporanuium of the Royal Fern {Osmnvda ,-rira/is). No ring or mere tr«ces. iV. Filffly 

 fern iTrichomnnes alntum). O. Schisaca pusilla. a. tertile pinnule with sporangia, b. 

 Single sporaugi'.im vsiih rir gat sinall end. 



