Diehothrix Orsiniana—Diniferidea 183 
Dichothrix Orsiniana Born. et Flah. 
var. africana Fremy* 156 
— subdichotoma Woronich.* 54 
Dieksonia antarctica R. Br. 685 
— Selloviana Hook. 685 
Dieneloma incanum 718 
— Sieberianum 718 
Dienemon calyeinum 718 
— semieryptum 718 
Dieranaceae 686, 710, 718, 724 
Diceranella 707, 715 
— Grevilleana 733 
— heteromalla orthocarpa 733 
— pumila 733 
— rufescens 734 
Dieranema 161. — N. A, 236 
Dicranodontium asperulum 734 
Dierano oem Be 
— chrysodrepanum 718 
— leucophyllum 724 
— __ var. Kurtzu Fleisch. 724 
— robustum 718 
Dicranoweisia 710 
— cerispula 693 
Dicranoweisioideae 724 
Dieranum 715, 717 
— Drummondii 733 
— faleatum 733 
— flagellare 724 
— fragilifolium 677, 733 
— fuscescens 734 
—. Johnstoni Mitt. 710 
— majus 651 
— montanum 724, 734 
— neglectum 724 
— pumilum 718 
— rhabdocarpum 734 
— scoparium 640, 651 
— Scottianum 663 
— Sendtneri 657 
— spurium 685 
— strietum 685, 724 
— Stuhlmanni Broth. 710 
Dietamnus albus 464, 572 
Dietyococeus 211 
Dietyopteris 159. — N. A. 223 
Dietyosiphon N. A. 223 
— foeniculaceus 146 
Dietyosiphonaceae 106 
Dietyosiphonineae 106 
| Dietyosphaerium 34, 96. — N. A. 215 
— pulchellum 96 
— subsolitarıum varı Goor* 24 
Dietyota 27, 101, 161, 164 
— Brongniartii J. Ag. 223 
—  dichotoma 101, 137, 313 
— Mertensii Kütz. 223 
— pardalis 164 
| — pinnatifida 164 
— subdentata Kütz. 223 
Dietyotaceae 106 
Dietyotales 30 
Dietyotineae 106 
Didymodon 686, 715 
— cordatus Jur. 669 
— Crozalsii 677 
— Ehrenbergii 677 
— Lamyi 667 
— ligulifolius 677 
— Juridus 677 
— rigidulus 669, 733 
— spadiceus 667 
— tophaceus 677, 681, 723 
— — var. lingulatus Boul. 677 
Didymosphaeria "tetraplodontis Le- 
bed.“ 128 
Diervillea lonicera 342, 614 
Digenea 114 
Digitalis 409 
— ferruginea 468 
— purpurea 443, 468 
Digitaria eriantha 583 
Dilophus flabellatus Collins 223 
Dimerocarpus Brenieri Gagnep. 474 
Dimerodontium 725 
— pellueidum (Hook.) Mitt. 726 
Dimerogramma N. A. 194 
— zeylanica Cl. var. elliptica Amosse 
155 
Dimorpha monomastix Penard* 59 
— tetramastix Penard* 59 
Dimorphococeus N. A. 215 
— cordatus 83 
—_ Fritsch Erow# 83, 152 
Dimorphotheca pluvialis (L.) Mnch. 
425, 606 
Dinamoclea 64 
Diniferidea Del. et Her. 64 
— Trib. Amphilothioideae Kof. et 
Swezy 64 
