HYSTERIACEAE. 23 



FIGURES ILLUSTRATING THE HYSTERIACEAE, &c. 



Fig. 1, Lophium mytillinum, Files, a group of plants ; nat. size ; Fig. 2, 

 one ascophore ; slightly x ; Fig. 3, ascus and paraphysis ; highly x ; 

 Fig. 4, spores of same ; x 300 ; Fig. 5, Farlowia repanda., Sacc., 

 group of plants ; nat. size ; Fig. 6, one plant of same ; slightly x ; 

 Fig. 7, section of same ; slightly x ; Fig. 8, ascus and paraphyses of 

 same ; highly x ; Fig. 9, spores of same ; x 300 ; Fig. 10, Dichaena 

 quercina, Fries; nat. size ; Fig. 11, ascus and paraphyses of same; the 

 spores should not be muriform as represented, but 3-septate ; highly x ; 

 Fig. lla, spores of same; X 300; Fig. 12, spores of Dichaena faginea, 

 Fr., var. capreae ; X 300 ; Fig. 13, Hysterium pulicare, Pers. ; nat. 

 size ; Fig. 14, one plant of same, seen from above; slightly x ; Fig. 15. 

 ascus and parapliysis of same ; highly x ; Fig. ] 6, spores of same ; 

 X 300 ; Fig. 17, Actidium hysterioides, two plants ; slightly x ; 

 Fig. 18, free spores of same ; x 300 ; Fig. 19, ascus of same ; highly x ; 

 Fig 20, group of plants of same ; nat. size ; Fig. 21, Schizothyrium 

 ptarmicae, plants on a living leaf of Achillea ptarmica ; nat. size ; Fig. 22, 

 plants of same on portion of a leaf; slightly x ; Fig. 23, ascus and 

 paraphyses of same ; X 300 ; Fig. 24, Schizoxylon Berkeleyanum, portion 

 of a spore, breaking up into cells at the septa ; X 750 ; Fig. 25, ascus 

 and paraphyses of same ; x 300 ; Fig. 26, one plant of same ; slightly x ; 

 Fig. 27, plants of same on dead stem; nat. size; Fig. 28, Ephelina 

 radicalis, Mass., showing the blackened swelling on the stem of 

 Rhinanthus, caused by the fungus ; nat. size ; Fig. 29, ascus and 

 paraphyses of same; X300; Fig. 30, stylospores of same; x 300 ; 

 Fig. 31, Ostreion americanum, Duby, spore ; x 300 ; Fig. 32, Hystero- 

 graphium fraxini, group of plants: nat. size; Fig. 33, spore of same; 

 X 300; Fig. 34, Ocellaria aurea, Tul., group of plants bursting through 

 the bark of a branch ; slightly x ; Fig. 35, ascus and paraphyses of 

 same ; x 300 ; Fig. 36, Gloniopsis curvata, Sacc., nat. size ; Fig. 37, 

 ascus and paraphyses of same ; highly x ; Fig. 38, free spore of same ; 

 X 300 : Fig. 39, Mytilidion laeviusculum, Sacc., group ; nat. size ; 

 Fig. 40, one ascophore ; slightly x ; Fig. 41, free spores of same ; x 300 ; 

 Fi^. 42, Xylographa parallela, Fries, three plants seen from above; 

 slightly x ; Fig. 43, sections of same ; slightly x ; Fig. 44, ascus and 

 paraphyses of same ; x 300 ; Fig. 45, Aulographum vagum, Desm., 

 plants on portion of a leaf of goat-willow ; nat. size ; Fig. 46, two plants 

 of same; slightly x ; Fig. 47, ascus and paraphyses of same; x 300; 

 Fig. 48, Pseudographis pinicola, Rehm., plants ; nat. size ; Fig. 49, one 

 plant of same; slightly x ; Fig. 50, ascus and paraphyses of same; 

 X 300; Fig. 51, Colpoma degenerans, Mass., spores; x 300; Fig. 52, 

 Propolis faginea, Karst., group of plants ; nat. size ; Fig. 53, two plants 

 of same ; slightly x ; Fig. 54, section of same ; slightly x ; Fig. 55, 

 ascus and paraphyses of same ; highly x ; Fig. 56, free spores of same ; 

 X3UO. 



