376 Analyses of Books. , [May, 
Species 
Cyperoidee ........ ckueererengl OF. ye 
Graminee ......6- ver eialetal a eagie as «age 
Juncee® eeiece ss Y sisrare'S ee . 19 ....4h 
Three preceding families,..... 365 .... 1 
Habiatee: | xx eiasim inte tates o's 18) cc ou ghe 
Rhinanthee and Scrofularie .. 79 .... 3 
Ericee and Rhododendra .... 80 .... 3) 
Composit ........6. ett hee 454 .... 4 
Unmnbellifereeys 2.04.6. ones goin = OO) + bn uae 
Cruciferae... 200 enesececins 60) 4G cet cual 
Malvacee...... dg ecdtidccees SO, spar rie 
Caryophyllez ......eeeeeeee 40 wees oe 
Leguminose ....00e+eee0e4 148 2... ay 
Amentaceze ........ resin tie’ s 113.23. ay 
CONTEr ee o's 2 wcine aw'sieicie nb o's 2S ielein ene 
er 
Total phanerogamous plants ...2890 
The following is the proportion of the different families of plants 
observed by Humboldt and Bonpland in South America within the | 
tropicks :— 
Species. ’ | 
CPE D AIEEE, 9 ortpevssorsine wie! » ) 685s car, ee | 
Gramine® .wecssccccecccoss 206 wore qe : 
SUA CEH od lacs asp Ae 6 bmn ge? ewan ee | 
Three preceding families...... 333 .... 
LAIARe cede tits cmtele aes wes Va OR eeiy era 
Ericee and Rhododendra .... 30 ...-+35 
Composite ..... Sreane aCe ie 600 '.... ¢ 
Unbelliferse .. 0... esas cca 30 ....4¢5 
Cruciferae... +. o dpe ie pele cree.) UDs cmdiy eee 
Malvacer .... 2.00.06 eve en's «80 2 he 
Leguminos® ..c.eeeeeeeees SI4 woes oy 
: 
Phanerogamous ......+++«+- 3880 | 
| 
The number of genera bear a greater proportion to that of the 
species in cold and hilly countries than in warm and level ones. 
The following table exhibits the ratio of each family to the whole 
phanerogamous plants in each zone :— | 
