170 



A CATALOG OF ILLINOIS ALGAE 



iridis, 55 



V. afflnis, 56 



V. amphigomphus, 55 



V. amphirhyncus, 55 



V. firma, 56 



V. producta, 56 

 lacunarum, 50 

 limosa, 50 



V. subinflata, 50 



V. undulata, 51 

 major, 57 

 mesolepta, 57 

 mutica, 54 

 nobilis, 57 

 oblonga, 54 



V. subcapitata, 54 

 parva, 57 

 platystoma, 54 

 protracta, 54 

 punctata, 55 

 pupula, 54 

 radiosa, 54 



V. tenella, 54 

 reinhardtii, 54 

 rhomboides, 51 

 rhyncocephala, 54 

 salinarum, 54 



V. intermedia, 55 

 saugerri, 55 

 scutelloides, 55 

 seminulum, 55 

 serians, 50 

 sigma, 52 



silicula V. gibberula, 50 

 staurifera, 155 

 tabellaria, 57 

 lenella, 54 

 termes, 57 

 trinodis, 51 

 trochus, 49 

 tumida, 53 

 tuscula, 55 

 varians, 53 

 viridis, 58 

 viridula, 55 

 Naviculaceae, 4, 49 

 Naviculineae, 4, 49 

 Neidium, 55 



amphigomphus, 55 

 amphirhyncus, 55 

 dubium, 55 

 hitchcockii, 55 

 iridis, 55 



V. firma, 56 

 productum, 56 



Nemalionales, 3, 30 

 Nephrocytium, 108 



agardhianum, 108 



lunatum, 108 

 Netrium, 133 . 



digitus, 133 

 Nitzschia, 65 



acicularis, 65 



amphioxys, 64 



clausii, 65 



closterium, 65 



commutata, 65 



denticula, 65 



dissipata, 65 



hungarica, 65 



linearis, 65 

 V. tenuis, 65 



palea, 65 



V. tenuirostris, 65 



sigmoidea, 65 



sinuata, 66 



V. tabellaria, 66 



tabellaria, 66 



vermicularis, 66 

 Nitzschiaceae, 4, 64 

 Nodularia, 28 



harveyana v. sphaerocarpa, 28 



sphaerocarpa, 28 



spumigena, 28 

 Nostoc, 28 



carneum, 28 



ellipsosporum, 28 



muscorum, 28 



pruniforme, 28 



spongiaeforme, 28 

 verrucosum, 28 

 Nostocaceae, 3, 25 



Ochromonadaceae, 3, 35 

 Ochromonadineae, 3, 35 

 Oedogoniaceae, 4, 85 

 Oedogoniales, 4, 85 

 Oedogonium, 86 



acmandrium, 86 



V. stictospermum, 86 



acrosporum, 86 

 f. connectens, 87 



americanum, 87 



amplum, 87 



angustum, 87 



areschoughii v. americanum, 96 



aster, 87 



bohemicum, 87 



borisianum, 87 



boscii, 87 



