242 MANN, 



ORDER XXIX. HALOKAGE.^, 



Mostly aquatic herbs, with usually unisexal, minute and imperfect 

 flowers. Calyx-tube adnate to the ovary, the limb entire, or with as 

 many teeth or lobes as petals, which are 2 to 4, epigynous, or some- 

 times none. Stamens one to several. Ovary 1-4-celled, with one 

 pendulous ovule in each cell. Stigmas as many as cells (rarely twice 

 as many). Fruit dry and indehiscent. Seeds with fleshy albumen. 



1. GUNNERA Linn. [Apeape.] 



Flowers hermaphrodite or mono3cious. Calyx-tube ovoid; lobes 

 2-3, or often imperfect or none. Petals none, or two hooded ones. 

 Stamens 1-2. Ovary 1 celled ; styles 2, subulate or filiform, papillose 

 throughout. Drupe coriaceous, compressed 3-angled or nearly glo- 

 bose, with a crustaceous putamen. Seed filling the cell, and with a 

 thin testa; the fleshy albumen abundant. Embryo very small, pyri- 

 form or obconical, in the apex of the albumen. Perennial, sometimes 

 gigantic herbs, with a creeping rhizoma. Leaves all radical, petiolate, 

 ovate or cordate-rotund, simple or lobed, coriaceous, often rough. 

 Flowers spiked, or densely clustered along the branches of large pan- 

 icles, small, 2-bracted, the male ones on the upper panicles. Fruit 

 small. 



Genus of 11 species, in tropical and southern countries. 



1. G. PETALOIDEA Gaud. (Enum. No. 130.) An immense herb, 

 often 10 high, with a sort of stem formed or the leaf petioles. 

 Leaves round-reniform, li to 4 or more in diameter, obscurely 

 lobed, margin more or less toothed, pedately ribbed, very veiny and 

 reticulate, bullate and rugose, nearly glabrous above, hirsute beneath, 

 especially on the veins and ribs. Petiole roughened with small and few 

 muricate points, which extend sometimes to the ribs. Inflorescence 

 2 -3 long; the spikes crowded, but spreading, subsessile, 3' -6' 

 long. Bracts narrowly linear, 6''-9" long, and hardly 1" wide. Flow- 

 ers sessile, crowded in little clusters on the rachises of the spikes, not 

 bracteolate. Calyx-tube adnate, the lobes, anterior and posterior, 

 persistent. Petals 2, cucculate, enclosing the stamens at first, thick- 

 ish, twice as long as the calyx lobes. Stamens 2, opposite the petals. 

 Stigmas 2, opposite the stamens, nearly twice their length. Ovary 1- 

 celled. Drupes ovoid-globose, yellow or reddish, li"-2" long. 



In wet places, high in the mountains of Kauai, Oahu, and "West Maul, often clinging on 

 cliffs. 



ORDER XXX. MYRTACE2E. 



Trees or shrubs, with opposite and simple entire leaves, which are 

 punctate with pellucid dots, and often furnished with a vein running 



