322 Tetracladium Molkenboerii—Tofieldia palustris 
Tetracladium Molkenboerli 692 
Tetracoceus N. A. 220 
— cartilagineus 94 
Tetracoseinodon 718 
Tetraedroides Griffiths N. 
167, 220 
@. 84, 136 
— spetsbergensis Griffiths* 84, 136. 
167 
MetraedLonBS3 HB NEN 0 
— sect. Pseudostaurastrum Hanse. 
1D/SR2IE8 
— minimum 35, 94, 128, 551 
— eaudatum 128 
— curvatum 128 
— enorme 218 
— minimum var. 
Deflandre* 128 
—- muticum 128 
—  regulare 127 
— tetraedricum 127 
- trigonum 128 
— var. gracile 121 
— — — f. tetraedrica Schwed.* 121 
— trilobulatum 126 
—  tumidulum 126 
Tetragonia expansa 482 
Tetrapedium 44 
Tetraplodon 647, 655 
— bryoides 655, 728 
-— bryoides x Voitia hyperborea 655 
— mnioides Br. eur. 733 
— pallidus Hag. 655 
—- paradoxus (R. Br.) Hag. 655 
— villosus 482 
Tetraspora 91 
— Jacustris 91 
Tetrasporales 150 
Tetrastrum heteracanthum 128, 145 
Tetratrichomonas 57, 60 
Thalassia testudinum 399 
Thalassiosira 68, 138. — N. A. 200 
— baltieca var. batava van Goor* 68 
— Levanderi 24 
Thallochrysidaceae Conrad* 55, 182 
Thallochrysis W. Conrad N. @. 55, 182 
— Pascheri* 55 
Thamnium alopecurum 665, 682 
— arbuseulosum 717 
- eossyrense 665 
— eflagellare 717 
longispinum 
' 'Tilletia tritieı 
Thamnium mediterraneum 665 
Thamnoeclonium 117, 181.— N. A. 248 
Thea assamica 569 
360 
Thelidium N. A. 17 
— Zwackhiü var. olivasecens A. Zahl- 
bruckner* 5 | 
Thelotrema 2 
Thelotremaceae 2 
Themeda triandra 583 
Theobroma cacao 569 
Thesium alpinum 489 
| Thalia 454 
Thinonia seandens 330 
ı Thismia Luetzelburgii 319 
ı Thlaspi perfoliatum 600 
ı Thomasia montana 454 
Thorea ramosissima Bory 40, 122 
Thrips 409 
Thuidium 706, 713 
—- involvens 695 
— Komarovii L. Savicz* 692 
— quadrifarium Mitt. 692 
recognitum 692 
' Thuja occidentalis 518 
, Thunbergia alata 410 
| Thuretia 114 
Thymus Broussonetii 316 
| — eapitatus 316 
— serpyllum 357 
| — zygis 316 
Thysanomitrium 715 
Lorentzii Fleisch. 713 
 Tiarella cordifolia 612 
Tillandsia 490 
Tillandsieae 489, 490 
269 
Tilopteridaceae 106 
Tilopteridales 30 
Timmia 656 
| — austriaca 655 
— — var. arctica 655 
— megapolitana 701 
Timmiaceae 659 
Timmiella 686 
Titanophora Pikeana 244 
Tmesipteris 333 
Tofieldia calyculata 295 
coceinea 388 
— palustris 388 
