EXPLANATION OF THE PLATES. 
Pate : 
IL | ABNORMAL CypRivepiIuM FLowsrs. 
II. Fsrriization of Claytonia, Phacelia, and Monarda. 
IV. { CreEpPIs SOROCEPHALA, Hemsl. 
Saussurea Tuoroip!, Hemal. 
VY. Saussurea Aster, Hemsl. 
VI. Nipapites Burrini, Brongn., from Sussex. 
VII { NIPADITES LANCEOLATUS, Bowerb. 
N. Parxrinsonis, Bowerb. 
VIII. Nuzw Puanr from Senegambia. 
IX. DysoxyitumM meGALaANtaum, Hemsl. 
X. Crossostyiis Comins, Hemsl. 
XI, Sararanaa sinvosa, Hemsl. 
XII. Onicin or Piant-Srructurss. ° 
XIII. } 
XIV. | 
XV. 4 Fresnwater ALG#& of West Indies. 
XVI. 
(XVII. Apvospory in Scolopendrium vulgare, 
XVIII. Bropi#a rxiomwes; STANHOPEA TIGRINA. 
XIX. Prwevea, Cotyte ron, Hyprouna, Satvia, Viona. 
Xx j Prurvanta SPATULIFLORA, Spruce. 
| LesEUNEA ATROVIRIDIS, Spruce. 
LEJEUNEA VULCANICA, Spruce. 
XXI.4 L. euapavurensis, Gottsche. 
L. BREVINERVIS, Spruce. 
L&JEUNEA GRAMINICOLOR, Spruce. 
{r. CORYNANTHA, Spruce. 
Leseunea Evxiorri, Spruce. 
{r. PILILOBA, Spruce. 
{ LrsEuNEA pissecTA, Spruce. 
L, neTEROMORPHA, Spruce. 
XXv. { Seip SUBSIMFLEX, Steph. 
C 
{ 
anaaeenaes’ 
XXII. 
XXIII. 
XIV. 
Seypryera Exziorti, Spruce. 
CrrPHaLoziaA WRIGHTII, var. BICORNIS, Spruce. 
ALOBIELLA DOMINICENSIS, Spruce. 
MICROPTERYGIUM PORTORICENSE, Steph. 
Leloscyruus ovatus, Spruce. 
PiaciocniLa Exviorru, Spruce. 
¥ 
SYzYGIELLA PERFOLIATA, Var. LAVIGATA, Spruce. 
XXVI. 
XXVII. 
XXVIII. 
i aio 
