384 some cryptogamic notes, 



Mosses. 

 i. 



FissiDENS ( AmblyolhaUla) humilis Dixon et Watts, sp.nov. 

 (Plate XX., figs.2a-c?.) 



AtUoic^is, riore inasculo ad surculum brevem terminali; humilis^ 

 dense caespitosus, pallide virens, baud nitidus; caulis 3 mm. a.d 

 5nim. usque altus, simplex vel subsimplex, basi radiculosus, infra 

 laxe supra dense ioMosus; folia usque ad 18-juga, infima parva, 

 supra sensiui majora, ligulato-lanceolata, breviter acuminata, 

 superiora usque ad 1"0 mm. longa et 0*25 mm. lata, omnia immar- 

 ginata, integra vel prope apicem indistincte subcrenulata, s;epe 

 in unica triangulari hyalina cellula terminata, humida erecto- 

 patentia, subfalcata, sicca appressa, rigida, falcatula, superiora 

 incurva, nervo infra summum apicem evanido, in foliis inferiori- 

 bus amoene rufo, in superioribus flavo, pellucido, subflexuoso, 

 falcato; lamina vaginalis lamina apicali longior, in foliis infimis^ 

 omne fere folium occupans, lamiiia dorsalis inferne angustata, 

 ad basin nervienata; cellulis in lam. vaginanti rotundato-quadra- 

 tis, subpellucidis, 0'005-0'007 mm. in diam., in lam. apicali et 

 dorsali densioribus, minutioribus; perichfetium terminate; vagi- 

 nula cylindrica, fusca, circa 0*26 mm. alta: seta ad 3-4 mm. usque 

 alta, basi subito curvata, flavo-brunnea, deinde suhstricta, 

 davescens; theca suberecta, symmetrica, humida ovato-oblonga, 

 sicca ovata, sub ore constricta, fusco-viridis, e cellulis exothecii 

 turgidis, laxe hexagonis, subrugulosa : operculum § vel ultra 

 longitudinis thecje, rostratum, leniter curvatum, acutum basi 

 brunneum, supra pallidum; peristomium simplex, dentes 16, basi 

 connati, erecti (sicca valde incurvi), purpurei, dense papillosi, 

 indistincte trabeculati, inlus appendiculati, deinde in cruribus 

 longis duobus, filiformibus, dense papillosis dividi; spori flavo- 

 virides, levissimi, circa 0015mm.; calyf,tra pallida, longa, mitri- 

 formis. 



Surculus masculus brevis, 3-4-juga, foliis latioribus, breviori- 

 bus, lamina vera omne fere folium occupante, cellulis laminafr 

 apicalis et dorsalis majoribus. 



On silt, near the Harbour, Newcastle, N.S. W., leg. Chas. L. 

 Burgess (ex herb. W. H. Burrell). 



