128 



SYSTEMATIC INDEX. 



Nitellese, branchlets, number of, I 26 



— - coronula, I 51, 53 

 Nitellopsis, II 2 



— branchlet, I 28 



— reproductive organs, position of, 

 144 



— stipulodes, absence of, I 29 

 Nitellopsis, fossil, II 84, 88 

 nodulifera, Lagynophora, II 87 

 Nolteana, C, II 45 

 Nordstedtiana, N., I 124 

 Normaniana, Tolypella, I 141 

 norvegica, N., I 113 



obtusa, C, II 3 



— Nitellopsis II 3 



bulbils, I 42 



oospore, I 70 



? fossil, II 3, 84, 88 



— TolypeUopsis, II 4 

 Obtusifolia (sect. Tolypella), I 135 

 onerata, C, II 87 



opaca, C, I 99 



— N., I 99 

 bulbils, I 43 



depth at which found, I 7-9 



oospore, I 69 



var. attenuata, I 102 



ornata, Kosmogyra, II 87 

 ornithopoda, N., I 129 



Palseochara, II 77 



Palseonitella (Algites), II 76 



papillosa, C, II 33, 42 



papulosa, C, II 7 



papulosum, Lamprothamnium, II 7 



bulbils, I 39-40 



oospore, I 70 



pro-embryo, I 22 



stipulodes, I 30 



papulosus, Lamprothamnus, II 7 

 parvula, Tolypella, II 87 

 Pastinaca sativa, I 14 

 pedunculata, C, II 47, 50 



— N., I 100 

 Pelosiana, C, II 14 

 perarmata, Kosmogyra, II 87 

 peritula, C, II 88 

 petrolei, C, II 88 



pilitera, C, II 65 



pleiospora, C, II 22 



polita, C, II 87 



polonica, C., II 87 



polyacantha, C, II 47 



Polyarthrodactylse (sect. Nitella), I 86, 



110, 119 

 polysperma, C. (Braun), 1 131 

 (Kiitz.), II 22 



polysperma, N., I 131 

 Pouzolsii, C, II 7 

 prisca, C, II 88 

 prolifera, C. (Bab.), I 136 

 (Braun.), I 133 



— N., I 133 



— Tolypella, I 133 

 oospore, I 70 



Pseudobracteatse (sect. Nitella), I 129 

 pulchella, C, II 62 

 punctata, C, II 22 

 purbeckensis, C, II 79 

 pusilla, C, II 15 



Rabenhorstii, C, II 26 

 refracta, C, II 22, 25 

 Reidii, Clavator, II 86 

 repens, C, I 82 

 Reussiana, C, II 88 

 robusta, C;., II 87 

 Rochettiana, C, II 88 

 RoUei, C, II 88 

 rudis, C, II 27 



bulbils, I 43 



cortex, I 34 



depth at which found, I 9 



oospore, I 71 



Saccamina, II 73 

 Sadleri, C, II 88 

 Schubleri, C, II 88 

 scoparia, C, II 14 



• bulbils, I 43 



seminuda, C, II 22 

 sibirica, C, II 18 

 siderolithica, C, II 87 

 Smithii, C, I 136 



— N., I 136 

 spanioclema, N., I 108 



oospore, I 70 



sparnacensis, C, II 87 

 spinosa, C, II 30 



— Vaillantii, C, II 30 



— rudis, C, II 27 

 spondyllophylla, C, II 47 

 spondyllophora, C, II 47 

 squamosa, C, II 22 

 squarrosa, C, II 87 

 Stacheana, C, II 87 

 Stalii, C, II 12 

 Stantoni, C, II 87 

 stellata, C, I 120 



stelliger, Lychnothamnus, II 3 

 stelligera, C, II 3 



— N., II 3 



— Nitellopsis. II 3" 



— Tolypellopsis, II 4 



