
Polystichium acrostichoides, (4Aspidium acrostichotdes), 15 
16 17 20 33 48 57 58 62 99 
incisum, (Aspzdium ascrostichotdes 
incisum.), 48 
Pteris aquilina, 20 33 45 58 61 65 99 
W oodsia obtusa, 32 33 45 58 61 62 109 
ARCHEGONIATAE—PTERIDOPHYTA—( Equisetales. ) 
Equisetum arvense, 5 15 17 24 84 96 104 110 
laevigatum, 32 33 4065 81 
robustum, 24 32 33 65 81 82 102 110 
ARCHEGONIATAE—PTExIDOPHYTsa—(Lycopodiales. ) 
Azolla caroliniana, 65 72 91 98 110 
Isoetes Butleri, 56 98 
Engelmanni, 30 45 : 
melanopoda, 84 98 109 ; 
riparia, 109 
Lycopodium lucidulum, 61 
Selaginella apus, 57 61 } 
rupestris, 61 . 

PHANEROGAMEN.—GYMNOSPERMAE. 
Juniperus virginiana, (common.) 
PHANEROGAMEN—ANGIOSPERMAE— 
(Monocotyledonzae. ) 
Acorus Calamus, 21 48 82 110 
Agave virginica, 32 33 45 55 
Agropyron repens, 45 104 
Smithii, 30 57 84 
Agrostis alba, 32 49 65 84 86 
vulgaris, 17 19 98 
arachnoides, 61 
hyemalis, (4. scabra), 17 32 42 53 98 
perennans, (A. intermedia), 32 33 44 57 

