214 MISSOURI BOTANICAL GARDEN. 
Plate 41. Myosotis maritima,— habit, natural size; flower and achenia, 
x 12. 
Plate 42. Ipomoea carnosa,— natural size. 
Plate 43. Solanum Pseudocapsicum,— natural size. 
Plate 44. Physalis Peruviana, reduced one-half. 
Plate 45. Polygonum serrulatum, habit, reduced one-half; portion of 
inflorescence, natural size; achenia, < 8. 
Plate 46. Euphorbia Stygiana,— leaf and fruiting inflorescence, 
natural size; seed, X 4. 
Plate 47. Huphorbia Azorica,— sterile and fertile shoots, natural size; 
usual and aberrant involucral glands, enlarged; seed, x 6. 
Plate 48. Carex Azorica,— habit, reduced one-half; bract, perigynium, 
and achenium, < 10. 
Plate 49. Carex macrostylon, var. peregrina,— habit, reduced one- 
half; bract and perigynium, X 6. 
Plate 50. Agrostis verticillata  Castellana?, — habit, reduced one- 
half; floral details, & 12. 
Plate 51. Agrostis Castellana, a,— habit, reduced one-half; floral de- 
tails, & 12. 
Plate 52. Agrostis Castellana, b,— habit, reduced one-half; flowering 
giume and palet, enlarged. 
Plate 53. Agrostis Castellana, c,— habit, reduced one-half; floral de- 
tails, 12. 
Plate 54. Agrostis Castellana, d,— habit, reduced one-half; floral de- 
tails, x 12: 
Plate 55. Agrostis Castellana, e,— habit, natural size; floral details, 12. 
Plate 56. Agrostis Castellana, f,— habit, reduced one-half; floral de- 
tails, X 12. 
Plate 57. Deschampsia foliosa,— habit, natural size; spikelet, « 5; 
flower, X 10. 
Plate 58. Deschampsia argentea,— habit, reduced one-half; spikelet, 
5; flower, < 10. 
Plate 59. Hleusine Barcinonensis,— habit, reduced one-half; inflores- 
cence, natural size; spikelet and details, enlarged. 
Plate 60. Festuca jubata,— habit, reduced one-half; spikelet and 
details, <X 3. 
Plate 61. Festuca petraea,— habit, reduced one-half; spikelet and 
details, X 3. 
Plate 62. Bromus wunioloides,— habit, reduded one-half; spikelets, 
natural size; fruit, 2. 
Plate 68. Hupteris aquilina,—aberrant form, natural size; venation, 2. 
Plate 64. Ophioglossum vulgatum, var. polyphyllum,— habit, natural 
size; fertile spike, 3 
Plate 65. Lycopodium Selago, var. suberectum, — habit, reduced one- 
half; small plant and proliferous apex, natural size. 
Plate 66. Isoetes Azorica,— habit, natural size; trunk in longitudinal 
and ‘transverse section, and sporangium, 2; macrospore, 30; micro- 
spores and stoma, 250. 
