MR. G. MAW ON THE LIFE-HISTORY OF A CROCUS. 355 
the completion of the plant-growth, when they vary from 8 or 9 
inches to 1 a yard in length, and from 2 to 4 an inch in breadth ; 
they die away contemporaneously with the maturity of the seed, 
in June or July, except in two species, C. Seharojani and C. kar- 
duchorum, the leaves of which often last on till the ensuing 
autumnal flowering-time, the leaves of two years thus existing 
contemporaneously, the old set appearing outside the sheathing- 
leaves, and the new set hidden within them. 
The number of the leaves varies considerably in different 
Leaf-sections, enlarged about 10 times nat. size. 
A. Crocus vallicola. B. C. nevadensis. ©. C. carpetanus, 
Fig. 5. 
Leaf-seetions, enlarged about 10 times nat, size, 
A. Crocus vernus. B. C. sativus. C. C. nudi torus, 
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