PHANEROGAMIA 



523 



Family 1. Alismaceae ( 13b ). Alisma Plantayu, Xagittaria sayittifolia , and 

 Butomus ninlifUntus liave long-stalked panicles or umbels, and occur as marsh- 



FIG. 515. Floral diagram of 



/.Y7//'H'*'i>M'- 1*1 rent a.*, one Fiii. -'ill'. Suijittm-in *ii<i!ttlf<jlut. a, Flower; /<, fruit attt-r rc- 



of tJn> Alisintirrae. (After inoval of some of the carpels. (Magnified ; b, alter Evoun 



EICHLER.) and PBANTL.) 



plants. The individual flowers have a calyx and a white (in Butomus, reddish) 



FIG. r>l~. l'<,t<n,iiaii't:iti initial*. FliiwiTin- .-lioi.i. (J nat. .sj/>>.) 

 corolla. Androecium, in Butomus A 6 + 3, in Alisma A 6. Gynaeceum apocar- 



