XXXVIII. MELANTHACE^E. 



851 



Col:hi(iim. 

 Seed, entire and cut vertically (mag.)- 



Yeratrum. 

 Embryo (mag.)- 



Veratrum. 



Transverse section ot 

 ovary (mag.). 



Ainianthium. 



Full-grown stamen, 



dorsal face. 



Veratrum. 

 Transverse section of seed (mag.). 



Veratrum. 



Vertical section of seed 

 (mag.). 



Amiant/tium. 



Young stamen 

 (mag.). 



Tofielclia calyculata. 

 Flower. 



Tofieldia. 

 Seed (mag.). 



Tafieldia 

 Transverse tection of ovary. 



Tofieldia. 

 Ovule (mag.). 



Tofleldia. 

 Stamen (mag.). 



Tofifldia. 



Transverse section 



of the seed 



(mag.). 



Trityrtis. 

 Stigmas. 



and more or less sheathing. FLOWERS $ , or very rarely imperfect by arrest (Vera- 

 trum, &c.), regular, radical, or axillary or terminal on the scape or stem, in aracemed 

 spike or panicle, naked or bracteate, exceptionally calyculate (Tofieldia). PERIANTH 

 inferior, very rarely semi-superior, petaloid, tubular, with 6 often persistent segments, 

 or with 6 2-seriate leaflets, all distinct, sessile or unguiculate, deciduous, the inner 



3 i 2 



