60 



AEACEAE. 



1. ZANTEDESCHIA Spreng. 

 Succulent glabrous herbs with thick rootstocks and sagittate or hastate 

 long-petioled leaves, showy white or yellow spathes, the monoecious flowers on a 

 stout spadix; staminate flowers uppermost, with 2 or 3 stamens; pistillate 

 flowers with 3 spatulate staminodes, an ovoid ovary, a very short style and a 

 discoid stigma. Berries 1-5-celled, 2-lQ-seeded. [Dedicated to Francesco 

 Zandeschi.l About 6 South African species, the follo^^ng typical. 



1. Zantedeschia aethiopica 



(L.) Spreng. Calla Lilt. 

 (Fig. 87.) Leaves sagittate, 

 ovate to ovate-lanceolate, acute, 

 bright green, 2° high or more, 

 apiculate; peduncle stout, as 

 long as the leaves or shorter; 

 spathe bright white, 5'-7' long, 

 yellowish within below, narrow- 

 tipped; pistillate part of the 

 spadix about one fourth as long 

 as the yellow staminate por- 

 tion; berries yellow. [Calla 

 aethiopica L. ; Eichardia afri- 

 cana Kunth.] 



Quite abundantly naturalized 

 in fresh-water marshes. Escaped 

 from cultivation. Native of 

 Africa. Flowers in summer and 

 autumn. 



Anthurium Veitchii Mas- 

 ters, Yeitch 's Tail-flower, 

 Colombian, seen at Paget Rec- 

 tory in 1914, has large, lance- 

 olate, recurving, petioled leaves often 5° long, arising in tufts from thick root- 

 stocks, their veins impressed; the thick yellowish spadix is about 8' long, the 

 green spathe about 1° long. 



Dieffenbachia segnine (Jacq.) Schott, Dumb Cane, West Indian, recorded 

 by Lefroy as grown at Mt. Langton, has erect stems 3°-5° high, the ovate, 

 petioled leaves 8-15' long, clustered toward the top; the narrow spathes are 

 5'-7' long. [Arum seguine Jacq.] 



Arisaema triphyllum (L.) Blume, Jack-in-the-Pulpit, North American, 

 was recently planted in a garden near Bailey's Bay, but did not become 

 established. It has acrid corms, and long-petioled, 3-foliolate leaves. [Arum 

 triphyllum L.] 



Caladium "bicolor (Ait.) Vent., Caladium, South American, grown for 

 ornament, is stemless, with long-petioled, ovate, peltate, sagittate, pointed, often 

 variegated leaves. [Arum hicolor Ait.] 



Xanthosoma sagittaefoiimn (L.) Schott, Yautia, Malanga, of tropical 

 America, sometimes grown for its edible tubers, is stemless or nearly so, with 

 long-petioled, sagittate leaves l°-3° long. [Arum sagittae folium L.] 



Xanthosoma violaceum Schott., Violet Xanthosoma, West Indian, has 

 ovate, sagittate leaves with violet petioles about twice as long as the blades, its 

 spathe pale violet; it is occasionally planted for ornament. 



Colocasia esculenta (L.) Schott, Eddoe-Coco, Elephant 's_ Ears, a low 

 stemless species with large long-petioled cordate leaves, is cultivated for its 

 edible tubers. It is native of the East Indies. [Arum esculentum L.] 



