INDEX.

Rostrum, 170.

Reclinate, 485.

Reclining, 486.

Rectinervis, 482.

Rectinervius, 132.

Rectivenius, 132.

Rectus, 485.

Recurvus, 487.
Red, 480.
Red-brown, 478.
Reflexed, 134. 487.
Refractus, 487.
Regma, 234. 237.
Regular, 169. 455.
Relative, 255.
Reliquiæ, 113.

Remotus, 494.

Renarius, 457.

Reniformis, 457.

Repand, 461.

Replicate, 484.

Replicativa, 484.
Replum, 236.

Réservoirs accidentales, 38.

en cæcum, 38.
vésiculaires, 39.

Respiration, 372.
Restans, 476.

Resupinate, 486.

Reticulatus, 132. *467.

Reticulum, 144.

Reticulated, 129.

Retinervis, 483.

Retinervius, 133.

Retrocurvus, 487.

Retroflexus, 134. 487.
Retrorsus, 488.
Retuse, 459.

Revolute, 484. 486.
Revolutiva, 484.
Rhizina, 109.

Rhizula, 109.

Rhizocarpous, 475.

Rhizoma, 84. 250.

Rhodo-, 480.

Rhomboid, 457.

Rhytidoma, 90.
Rib, 130.

Ribbed, 133. *482.
Rictus, 167.
Right-angled,
Ringed, 468.

134.

Ringent, 167. *451.

Rosulate, 492.
Rosy, 480.

Rotate, 167. 453.
Rotation, 391.
Rotatus, 452.

Root, 108. 304. 515.

creeping, 82.
Rootstock, 84.
Rotundus, 456.
Rough, 60. 469.
Roughish, 469.
Roundish, 456.
Rows, 493.
Rubellus, 480.
Ruber, 480.
Rubescens, 480.

Rubeus, 480.

Rubicundus, 480.

Rubiginosus, 480.

Rufescens, 478.
Rufous, 478.
Rugose, 467.

Rugose-terminal, 446.
Ruminated, 249.
Runcinate, 458. 466.

Runner, 83.
Ruptinervis, 482.
Ruptinervius, 132.
Rupturing, 226.
Rusty, 478.
Rutilans, 480.
Rutilus, 480.

Silicula, 229. 235. 238.

Siliqua, 227. 229. 231. 235. *238.

Silk, strength of, 24.

Silky, 60. 470.

Silver grain, 92. 311.

Silvery, 477.

Similary parts, 1.

Simple, 127. 156. 463. 495.

Simplici, 495.

Simplicissimus, 463.

Sinuate, 461.

Sinuolatus, 461.

Sinus, 135.

Size, 473.

Sky blue, 480.
Slashed, 138. 461.
Slate grey, 477.
Slimy, 471.
Smaragdinus, 479.
Smoky, 477.

Smooth, 471.

Snow-white, 477.

Soboles, 82, 83.

Soil, exhaustion of, 370.

Solitary, * 494, 495.
Solubility, 226.
Solutus, 490.
Sooty, 478.

Soredia, 271.

Sori, 260.