206 bulletin de l'herbier boissier (2«™ ser.). 1908 Saccogyna- 



drica paucirhiza,ore squamulis parvis varie lacinulatis dentatisque obtecto. 

 Calyptra tenuis sacculo parum brevior superne libera, inferne longe 

 coalita. Capsula longe pedicellata cylindrica. Androecia breviter spicata 

 saepe opposita bracteis oblongo-rotundis concavis monandris. Antheiidia 

 magna globosa breviter pedicellata. 

 Hab. Rtunion (Frappier). 



Saccogyna Dum 1882. 



Plantae foliiferae mediocres vel majusculae rarius minores, vulgo glauco- 

 virentes vel fla vescentes, terricolae vel corticolae dense gregariae, vel depresso 

 caespilosae Iateque expansae rigidulae. Caulis validus crassus fragillimus 

 vindus vel coloratus vage pauciramosus ramis semper posticis, fascicula- 

 tim radicellosus, radicellis pallidis e basi amphigastrii ortis sat longis. 

 Folia caulina succuba opposita antice parum decurrentia ibidemque breviler 

 coalita vel libera, postice amphigastrio saepe connata distiche patula. 

 Cellulae magnae, angulis saepe valde incrassatis, cuticula aspera vel papillis 

 maxime hirta. Amphigastria magna, cauli plus minus appressa profunde 

 bifida. Inflorescetitia dioica, in paucis ceterum cognila. Flores feminei in 

 ramulo semipostico brevissimo terminalia bracteis parvis paucijugis con- 

 fertis concentrice insertis semper armatis. Marsupia pendula plus minus 

 longe cylindrica sparsim radicellosa pallida, foliis floralibus coronata,facie 

 interna cellulis concentricis inducta pistilla in fundo gerentia. Calyptra 

 leneia inferne sacculo coalita superne libera pistillis slerilibus obsita. 

 Capsula (in paucis cognila) in pedicello longissimo cylyndrica, qua- 

 drivalvata (valvulis per paria cohaerentibus vulgo bivalvata) stratum inti- 

 mum valvarum semiannulatimincrassalum;pedicelluscapsulifi basi nudus 

 in una vagina basali alle cylindrica circumdalus (lesle Schiffner) Sporx 

 parvae minute asperae. Elateres breves parum attenuali spiris duplicatis. 

 Androecia in ramulo parvo semipostico, bracteis 4-6 jugis imbricatis 

 cucullatim saccatis. Antheridia magna solitaria brevipedicellata. 

 1. Saccogyna scaberula (Spruce) St. 



Syn. : Chiloscyphus scaherulns Spruce. Soc. bot. France 1889, p. 200. 



Dioica mediocris albicans in sicco brunneola corticola. Caulis ad 25 mm. 

 longus tenuis fuscus rigidus procumbens parum ramosus. Folia caulina 

 1,6 mm. longa subopposita antice libera, imbricata recte patula plano- 

 266 



