FM eer cr umm lot Dass 
PO'TTIOIDEAE. zvcoDox. 611 
Patria. Mexico: C. Ehrenberg. 
Caetera desunt. Archegonia numerosa, paraphysibus 
brevioribus paucis filiformibus acutis pellucidis mixta. 
20. Z. Schimperi Hmp. (C. Müll. in Linn. XVIII. 
p. 671.); dioicus; laxe cespitosus erectus elatus fastigiate 
ramosus; folia caulina erecto -recurva, madefacta squar- 
roso-reflexa, e basi late oblonga inferne longius laxius 
reticulata sensim lanceolato -acuminata subcuspidata, mar- 
gine plerumque valde revoluta integerrima, nervo excur- 
rente ferrugineo, e cellulis amoene flavidis maxime in- 
crassatis minutis inaequaliter angulatis tenuissime sub- 
obsolete papillosis areolata; perichaetialia longe exserta, 
basi late amplexicauli multo tenuiora laxius longius tene- 
rius et laeve reticulata apice reflexa; theca in ped. me- 
dio purpurascente pyriformi - ovalis. 
Patria. Abyssinia: W. Schimper Coll. No. 428. 
Archegonia pauca, paraphysibus numerosis strictis 
acutis flavidis mixta. Fructus imperfectus fuit. 
B. Folia dentata. 
a. Perist. nullum. 
21. Z. tetragonostomus A. Br. (Br. Eur. IV. p. 9.); 
hermaphroditus; folia serrulata; theca quater striata, 
sicca evacuata letragona, gymnostoma. 1. i 
Patria. Java: Blume. 
22. Z. trichomitrius Hook. et Wils. (Lond. Journ. 
of bot. 1846. p. 143. t. 4. B.); laxe cespitosus ultraun- 
cialis parce dichotome ramosus, inferne radiculis purpu- 
reis tomentosus, ramis erectis; folia caulina laxiuscula, 
sicca subcrispata, patula subrecurva flexuosa linearia api- 
culata carinata, margine subrecurva, apice minute denti- 
culata luteo- viridia, inferiora fusca, punctiformi- areo- 
lata; perichaetialia erecta latiora; vaginula pilosa, theca 
in ped. brevi erecta, elliptico - oblonga gymnostoma, ore 
angustata, sicca plicata, fusco-badia, operculo e conico 
subulato subobliquo thecam dimidiam aequante; calyptra 
pilis lutescentibus hirta. +. 
