348 BOTANICAL GAZETTE [NOVEMBER 
PLATE XX, : 
Figs. 55-64. Odontoschisma prostratum (Swartz) Trevis. 
Fics. 55, 56. Median leaf-cells. x 350. 
Fics. 57, 58. Marginal leaf-cells. x 250. 
Fic. 59. Young underleaf. x 2 
Figs. 60-62. More mature Os x 250. 
F1G. 63. Cells from mouth of perianth. x 250. 
Fic. 64. Perigonial bracteole. x 
Figs. 56, 58, 61 and 62 were drawn from Cuban specimens distributed by 
Wright; the remaining figures were drawn from Connecticut specimens 
collected by the writer. : 
Figs. 65-74. Odontoschisma Portoricense (Hampe & Gottsche) Steph. 
Fic. 65. Part of stem with lateral branch, antical view. x 18. 
Fic. 66. Part of stem, postical view. x 18. 
Fic. 67. Female branch with perianth. x 18. 
Fic. 68. Median leaf-cells. & 350. 
Fic, 69. Marginal leaf-cells. xX 250, 
Fic. 70. Underleaf. x 250. 
FIGs. 71, 72. Innermost bracts and bracteole from the same involucre, 
2A. 
Fic. 73. Innermost bract from another involucre. x 24. 
Fic. 74. Cells from.mouth of perianth. xX 250 
The figures were all drawn from the specimens distributed in C. Wright’s 
Hepaticae Cubenses. 
