142 THE PLUMULARin^E. 



FIG. 10. Aglaophenopsis hirsuta. Front view of hydrothec* (greatly enlarged). 



11. Aglaopheuopsis hirsuta. Front view of stem (enlarged). 



12. Aglaophenopsis hirsuta. Basal hydrotheca and phylactogouiuui (enlarged). 



13. Aglaopheuopsis hirsuta. Gonangium. 



PLATE XXX. 



FIG. 1. Aglaophenopsis distans Nutting. Part of hydrocladiuni (greatly enlarged). 



2. Aglaophenopsis distans. Front of stem (enlarged). 



3. AgJaophenopsis rerrilli Nutting. Branched bydrocladium bearing gonanginm (enlarged). 



4. Aglaophenopsis rerrilU. Part of hydroeladium (enlarged). 



5. Aglaophenopsis rerrilli. Side view of hydrotheca (greatly enlarged). 



6. Aglaophenopsis cornntu (Verrill). Part of hydrocladiuni (enlarged). 



7. Aglaophenopsis cornntn. Branched hydrocladiuni. 



8. Afllaopheuopsis cornuta. Front, of stem, showing proximal hydrotheca and nematophores (enlarged). 



9. Aglaophenopsis eornutii. Gonanginm (enlarged). 



PLATK XXXI. 



Flu. 1. Lytocarpus racemiferus Allman. Part of hydrocladiuni (enlarged). (After Allman. > 



2. Lytocarpus racemiferux. (ionosome (enlarged). (After Allman). 



3. Lytocarpus racemiferus. Part of phylactoearp with gonangia (enlarged). (After Allman.) 



4. Lytocarpus philipjiinuv (Kirchenpauer). Part of hydrocladiuni (enlarged). 



5. Lytocarpus pliilippinits. Front of stem (enlarged ). 



6. Lytooarpus philippinus. Gonaugia on phylactocarp (enlarged). 



7. Lytocarpus philippinus. Hydrotheca (greatly enlarged). 



8. Lytocarpus ramosus (Fewkes). Part of hydrocladiuni (enlarged). 



9. Lytoearpux ramusus. Hydrotheca (greatly enlarged). 



10. Lytoearpux ramosus. Hydrotheca, with longer nematophores (greatly enlarged). 



11. Lytocarpus ramosus. Pseudocorbnla (enlarged). (After Fewkes.) 



12. Lytocarpus rumosus. Phylactogonium, showing hydrotheca at base (enlarged,). 



13. Lytocarpus ramosus. Phylactogouiura, viewed from the side (enlarged). 



PLATE XXXII. 



FlG. 1. Lytocarpus gnnidis (Clarke). Part of hydrocladiuni (enlarged). 



2. Lytoearpux grandis. Phylactocarp (enlarged). 



3. Lytocarpus yrandis. Basal part of phylactogoninui (greatly enlarged). 



4. Lytocarpus grand-is. Entire phylactogonium (greatly enlarged). 



5. Lytocarpus clarkei Nutting. Part of hydrocladiuni (enlarged). 



6. Lytocarpus clarkei. Front of stem, showing nematophores (enlarged). 



7. Lytocarpus clarkei. Front view of hydrocladiuni (enlarged). 



8. Lytocarpus c.urtus Nutting. Part of hydrocladiuni (enlarged). 



9. Lytocarpus ciirtus. Front view of hydrotheca' (enlarged). 



10. Lytocarpus cin-tiis. Hydrotheca (greatly enlarged). 



11. Lytocarpus ciirtui. Base of hydrocladiuni, showing nematophores (enlarged). 



12. Lytocarpus furcatus Nutting. Part of hydrocladium (enlarged). 



13. Lytocarpus furvatug. Front view of hydrotheca' (enlarged). 



14. Lytocarpus furcatus. Hydrothei-a- (greatly enlarged). 



15. Lytocarpus furcatus. Front of stem, showing cauline nematophores and perforated process (enlarged). 



PLATE XXXIII. 



FlG. 1. Halicornaria speciosa Allman. Part of hydrocladiuni (greatly enlarged). (After Allman). 



2. Halicornaria speciosa. Front view of hydrocladium (greatly enlarged). (After Allman). 



3. Halicornaria speciosa. Front of stem, showing gonangia (enlarged). (After Allman). 



4. Halicornaria longicanda Nutting. Part of hydrocladium (greatly enlarged). 



5. Halicornaria longicaiida. Front view of hydrotheca- (greatly enlarged). 



6. Halicornaria rariabilis Nutting. Part of hydrocladium (enlarged). 



7. Halicornaria rariabili*. Part of young hydrocladium (enlarged). 



8. Halicornaria variabiiis. Young hydrotheca with short neinatophore (greatly enlarged). 



9. Halicorn<iria rariabilis. Front of stem, showing large ueuiatophores (enlarged). 



10. Halicornaria i-ariabilis. Gonangia (enlarged). 



PLATE XXXIV. 



FlG. 1. Streptocaul ii I pulcJierrimiis Allman. Entire colony. (After Allmau.) 



2. Streptocaulits pulcherrimus. Part of hydrocladium (enlarged). (After Allmau.) 



3. Streptocaulus pulcherrimus. Front view of hydrotheose (enlarged). (After Allmau.) 



4. Nuditheca dalli (Clark). Branched hydrocladium (enlarged). 



5. Nuditheca dalli. Part of hydrocladium (greatly enlarged). 



6. Nuditheca dalli. Part of hydrocladium with gonangium (enlarged I. 



