168 



A CATALOG OF ILLINOIS ALGAE 



Gomphonema, 59 

 acuminatum, 59 



V. coronatum, 59 



V. elongatum, 59 



V. intermedia, 59 



V. laticeps, 59 



V. trigonocephalum, 59 



V. turris, 60 

 angustatum, 60 



V. obtusatum, 60 

 capitatum, 60 

 coronatum, 59 

 constrictum, 60 



V. capitatum, 60 

 f. turgidum, 60 

 curvatum, 49 

 dichotomum, 60 

 eriense, 59 

 geminatum, 60 

 gracile v. dichotoma, 60 

 herculeanum, 59 

 intricatum, 60 



V. vibrio, 61 

 laticeps, 59 



montanum v. subclavatum, 61 

 olivaceum, 61 



V. calcarea, 61 

 parvulum, 61 

 robustum, 59 

 semiapterum, 61 

 sphaerophorum, 61 

 subclavatum, 61 

 trigonocephalum, 59 

 turgidum, 60 

 turris, 60 

 vibrio, 61 

 Gomphonemataceae, 4, 59 

 Gomphosphaeria, 17 

 aponina, 17 

 lacustris, 154 

 Gonatozygon, 132 

 brebissonii, 132 

 Gonium, 70 

 pectorale, 70 

 sociale, 71 

 Gonyaulax palustre, 142 

 Gyrosigma, 52 

 acuminatum, 52 

 attenuatum, 52 

 eximium, 52 

 kuetzingii, 52 

 scalproides, 52 

 spencerii, 52 

 wormleyi, 52 



Haematococcus pluvialis, 74 

 Hantzschia, 64 



amphioxys, 64 

 f. capitata, 65 

 V. vivax, 65 

 Herposteiron confervicola, 78 

 Heterococcales, 3, 30 

 Heterocystineae, 3, 25 

 Heterodiniaceae, 4, 143 

 Heterosiphonales, 3, 33 

 Heterotrichales, 3, 32 

 Homocystineae, 3, 19 

 Hormogonales, 3, 19 

 Hyalotheca, 140 



dissiliens, 140 



mucosa, 140 

 Hydrodictyaceae, 4, 99 

 Hydrodictyon, 99 



reticulatum, 99 



utriculatum, 99 



Ineffigiata neglecta, 31 

 Isochrysidineae, 3, 34 



Kentrosphaera, 98 



facciolaae, 98 

 Kirchneriella, 108 



lunaris, 108 



obesa v. major, 108 



Lepocinclis, 148 



ovum, 148 

 Lyngbya, 19 



aerugineo-caerulea, 19, 25 



aestuarii, 19 



birgei, 19 



diguettii, 19 



obscura, 155 



phormidium v. rivularis, 25 



putealis, 19 



taylorii, 19 



versicolor, 20 

 Lysigonium granulatum, 38 



varians, 39, 40 



Mallomonadaceae, 3, 34 

 Mallomonas, 34 



acaroides, 34 



caudata, 34 



plosslii, 34 



producta, 34 

 Mastogloia, 52 



smithii, 52 



V. amphicephala, 53 

 v. lacustris, 53 



