Index 



Ralfsia, 454, 455, 493, 494, 496. 

 Bornctii, 496. 

 ealifornica, 497; figure showing, 



opp. 744. 

 clavata, 495, 496, 497. 

 deusta, 499, 500. 

 extensa, 500. 

 fungiformis, 494, 499. 

 hesperia, 495, 498. 

 verrucosa, 496, 497, 498. 



Balfsiaceae, 454, 493. 



Renfrewia parvula, 462, 603. 



Rhadinoeladia, 515, 517. 



Rhodomela, 526. 



Rhodomelaceae, 403. 



Khodophyceae, 445, 650. 



Rhodymenia, 505. 

 palmata, 488. 



Rivularia Zosterae, 546. 



Rupreehtiella, 550. 

 filiformis, 576. 



Saceharina, 594. 

 Saccorhiza. 591. 

 Sargassaceae, 663, 704. 

 Sargassum, 662, 711. 

 acinaeifolium, 713. 

 Agardhianum, 716, 717; figures 

 showing, opp. 750, 754; plate 

 showing, opp. 856. 



Branch geei, 718. 



Bryantii, 713, 714. 

 carpophyllum, 714. 

 cylindrocarpum, 720. 

 disseetifolium, 713. 

 fuliginosum 



var.(?) ealifornica, 721. 

 galapagcnse, 719. 

 guardiense, 713. 

 herporhizum, 720. 

 horridum, 506, 715. 

 insulare, 506, 717. 

 Johnstonii, 719. 



f. gracile, 720. 



f. laxius, 719. 

 lapazeanum, 713, 714. 



Liebmanni, 715, 716; figure show- 

 ing, opp. 762. 



Marchantae, 715. 



onustum, 706. 



Palmeri, 712; figure showing, opp. 



754; plate showing, opp. 860. 

 paniculatum, 721; figure showing, 



opp. 764. 

 piluliferum, 553, 712. 

 podocanthum, 718. 

 polyacanthum 



f. americanum, 394, 718. 

 sinicola, 718. 

 spinuligerum, 718, 719. 



Scytosiplion, 530, 531, 535. 

 bullosus, 542. 

 hippuroides, 590. 



Lomentaria, 531, 532; figure show- 

 ing, opp. 760. 

 var. eomplanata, 532. 

 f. complanatus, 536. 

 major, 534. 



minor, 534; figure showing, 

 opp. 760. 

 f. cylindricus 



maculatus, 534; figures show- 

 ing, opp. 756. 

 major, 533. 

 minor, 533. 

 f. typicus, 532, 533; figures show- 

 ing, opp. 750, 760. 

 tortilis, 529. 

 Scytosiphonaceae, 514, 528, 530', 552. 

 Scytosiphoneae, 530, 577. 

 Scytothamnaceae, 570, 571. 



Seytothamnus, 570, 587. 

 australis, 552. 



Solenia (Enteromorpha), 454. 

 Soranthera, 525, 650. 

 ulvoidea, 525. 



f. difformis, 526. 

 f. typica, 526; figures showing, 

 opp. 750, 838. 



Spermatochnaceae, 587. 

 Spermatochnus, 555. 

 Sphacelaria, 392, 393. 

 arctica, 394. 

 brevicornis, 394. 

 ealifornica, 395; figure showing, 



opp. 746. 

 eirrhosa, 396. 

 cornuta, 394. 

 didichotoma, 397. 

 divaricata, 397. 

 fusca, 396. 



furcigera, 396; 397; figure show- 

 ing, opp. 746. 

 plumula, 395. 



var. ealifornica, 394. 

 racemosa, 393. 



var. arctica, 394. 

 subfusca, 395, 396; figure showing, 



opp. 746. 

 variabilis, 397. 

 Rphacelariaceae, 391, 392. 



Sphacelariales, 388, 389, 390, 391, 

 399, 570. 



Spinularia latifrons, 564. 



Sporochnus medius, 565. 



Stictyosiphon, 514, 528, 529. 



adriatieus, 529. 



tortilis, 529, 530. 



[897] 



