124 
POPULAR SCIENCE REVIEW. 
EXPLANATION OF PLATES. 
PLATE CXIX. 
Pollen-grains (all X 250). 
(N.B. — V" = in.) 
Fig. 1. Corylus Avellana , V " ; 2, Betula alba , V " ; 3, Populus balsamifera , 
1*5"'; 4, Lnznla campestris , P3'"; 5, Mercurialis perennis, P3"' 
x 0-7"' ; 6, Buxus sempervirens, 1 *25 /// ; 7, Plantago lanceolata, 
P25"'; 8, Poa annua, 1-2'"; 9, wedwi, 10, 
Dactylis glomerata, 1*6 /// x 1*25 /// ; 11, Ranunculus Ficaria, 1'7"' x 
P25'" ; 12, Aubrietia deltoidea , P4'" x l w ; 13, Fi'o/a sylvatica , 
l^"' x l^" ; 14, Aucuba japonica , 2 , 3 /// x PG W ; 15, lamium 
album , PS"' x O'?" 7 ; 16, Lamium purpureum, PS'" x l'l'" ; 17, 
Nepeta Gleclioma , 2 , 4 /// x P4'"; 18, Platanus orientdlis , 1'2 /// x 
0-9 w ; 19, Convallaria Polygonatum , 2 , 8 /// xl /// ; 20, Bryonia 
dioica, 2 , 7 /// x 1*4 /// j 21, Poly gala myrtifolia , 2 , 4 /// x 1*9 /// ; 22, 
Primula vulgaris (long- styled), O’O'"' x 0-5'" ; 23, Primula vulgaris 
(short-styled), P2'" x 0’75 //V ; 24, Primula veris (long-styled), 
l'" x 0’5 W ; 25, Primula veris (sliort-styled), I’d'" x 1'" ; 26, 
Primula vulgaris (v ar. hort. , Polyanthus, long-styled), PS"' x 0’9"'; 
27, Polyanthus (short-styled), PG'" x 1*1'"; 28, Primula japonica, 
0-6"' ; 29, Dicentra speciosa, 1*5"' ; 30, Plantago media , P2"' ; 31, 
Anthriscus sylvesiris, V" x O’G'"; 32, Adoxa Moschatellina , P4"' x 
0*7'" x 0-5'" ; 33, Narcissus poeticus, 2 , 2 /// x PI'"; 34, Fritillaria 
imperialist" x 1*75"'; 35, Fritillaria Meleagris, 3* 5 /// x P3"'; 36, 
aureum , 1'"; 37, Ribes fruticosum, 1A " ; 38, Hoteia ja- 
ponica, 0’7" / x0 A" m , 39, Saxifraga crassifolia , P4"' x 0‘8'"; 40, 
FVofe tricolor (var. hort.), 3* 75"' x 2 /// * *41, Fiofo fofea, 3 -S'" x 
1*7"' ; 42, cornuta , S’5"' x 1*9'" ; 43, Althcea rosea, A A " ; 
44, Cineraria , sp., P"; 45, Taraxacum officinale , P25"'; 46, 
Senecio vulgaris, P3 /// xl , l /// ; 47, Fuchsia, sp., 2 /// ; 48, Stellar ia 
Ilolostea, P25"'; 49, Lychnis diurna, P25 w ; 50, /StaZu’ nitens , P2"' 
xO’7"'; 51, Canna indica, 2*3 /// ; 52, Alpinia sp., 2*6 /// ; 53, 
Richardia africana , 2 r " x 1’4"' ; 54, Cobcea scandens, 4*6'"; 55, 
Sisymbrium officinale , P3"' x 0’75' 54, Pringlea antiscorbutica , 
0*75"'. 
PLATE CXX. 
Fig. 1. Euphrasia officinalis , larger-flowered form ; «, flower just opened; 
&, position of stigma and anthers in a more advanced stage ; c, 
two anthers seen from the inner side ; sZ, stigma ; «w, anthers'; 
A, hairs attached to the two lower anthers. 
Fig. 2. Euphrasia officinalis, smaller-flowered form ; «, flower just opening; 
5, position of stigma and anthers in this flower; c, flower in a 
more advanced stage ; the letters as in fig. 1. 
