Lemaneaceae of the United States . 229 
filaments : treated with chloral hydrate to show origin of ooblastema-filaments 
from carpogenic cell. 
Fig. 42. Farther development of spores. 
PLATE IX. 
Lemanea australis Atk. 
Fig. 43. Few fully developed spores with a double gelatinous sheath. 
Fig. 44. Arrangement and branching of generative filaments in one half of 
segment, showing also position of procarps (longitudinal section). 
Lemanea annulata Kiitz. 
Fig. 45. Section of procarp-zone showing development of procarp into a young 
sexual shoot ; f, generative filament ; a, procarp ; g , terminal cell of procarp ; 
b, young sexual shoot ; d } cells of intermediate layer beginning to produce cortex. 
Lemanea grandis Atk. (Syn. Tuomeya ( Entothrix ) grande Wolle). 
Fig. 46. Section showing Lemanea- structure, enveloping filaments dissected 
away to show cruciate branching of rays from central axis, a , procarp reaching 
from generative filament into tissue of wall, from which point the basidia (bases of 
ooblastema-filaments) radiate and bear the spores. 
Fig. 47. Lemanea australis Atk. 
Fig. 48. Lemanea nodosa (?) Kiitz. 
Fig. 49. Lemanea annulata Kiitz. 
Fig. 50. Lemanea grandis Atk. 
Fig. 51. Lemanea torulosa Sird’t. 
Fig. 52. Lemanea {Sacherid) Jluviatilis A g. 
Fig. 53. Lemanea {Sacherid) fucina Bory var. 8, viviana . 
Fig. 54. Lemanea {Sacherid) fucina Bory var. / 3 , subtilis. 
Fig. 55. Lemanea ( Sacherid ) fucina Bory var. a, mamillosa. 
Fig. 56. Lemanea {Sacherid) fucina Bory var. a, mamillosa , natural size of 
large specimen. 
Fig. 57. Lemanea australis Atk., natural size of large specimen. 
Fig. 58. Lemanea {Sacherid) fluviatilis Ag., section of sexual segment showing 
position and arrangement of spores. 
Fig. 59. Lemanea australis Atk., same as last. 
Fig. 60. Lemanea {Sacherid) fucina Bory var. a, mamillosa , same. 
MAGNIFICATION OF FIGURES. 
Figs, r, 2, 3, 4, 5, 7, 8, 9, and 10 about 250; Fig. 6 about 150 ; Figs. 12-21 
about 200; Figs. 22-26 about 50; Fig. 27 about 300; Fig. 28 about 150; 
Fig. 29 about 150; Fig. 30 about 200; Figs. 31-42 about 200; Fig. 43 about 
60 ; Fig. 44 about 200 ; Figs. 56 and 57 natural size. 
