1334 appendix 



1. boussinga'ultia h.b.k. 



Vines, with much-branched stems. Leaf-blades of an ovate type, rather fleshy. 

 Flowers in axillary and terminal spike-like racemes. Sepals 2, nearly flat, not 

 winged. Petals 5, longer than the sepals, whitish, greenish or maroon. Filaments 

 terete, somewhat enlarged, but not dilated, at the base. Stigmas cleft. Madeira-vine. 



Racemes stout: flowers 5-6 mm. wide: filaments lanceolate: stigmas stout. 1. B. baselloides. 



Racemes slender: flowers 2.5-3.8 mm. wide; filaments subulate; stigmas slender. 2. B. leptostachya. 



1. Boussingaultia basalloides H.B.K. A glabrous vine with stout stems and 

 branches: leaf-blades ovate, orbicular-ovate or deltoid-ovate, 2.5-11 cm. long, acute 

 or abruptly short-acuminate, thick, cordate or subeordate at the base, short -petioled: 

 racemes stout, simple or compound, 5-17 cm. long: suborbicular to broadly obovate, 

 2-2.5 mm. long: bractlets obtuse: sepals suborbicular, 2-2.5 mm. long: petals oval or 

 orbicular-ovate : filaments lanceolate : anthers oval. 



In thickets, southern Texas and tropical America. All year. 



2. Boussingaultia leptostachya Moq. A glabrous vine with slender stems and 

 branches: leaf -blades ovate to elliptic, 2-7 cm. long, acute or slightly acuminate, 

 thickish, gradually or abruptly narrowed at the base, short-petioled: racemes slender, 

 elongated: bractlets acuminate: sepals ovate to oblong, 1-1.5 mm. long: petals oblong 

 to oval: filaments subulate: anthers oblong. 



In pine lands, southern peninsular Florida. Native of tropical America. All year. 



2. ANREDERA Juss. 

 Vines, with fleshy much-branched stems. Leaf -blades of an ovate type, fleshy. 

 Flowers in mainly axillary spike-like racemes. Sepals 2, boat-shaped, broadly winged 

 at maturity. Petals 5, not longer than the sepals. Filaments flattened, and dilated 

 below. Stigmas entire. 



1. Anredera scdndens Moq. A glabrous diffuse and high-climbing vine. Stem 

 much branched: leaf -blades ovate, acute or acutish, 3-5 cm. long, abruptly narrowed 

 or truncate at the base, short-petioled: racemes stout, mainly simple, 2-11 cm. long: 

 petals pale, elliptic or oval-elliptic, 1.5-2 cm. long: sepal-wings 4-5 mm. long at 

 maturity. 



In chapparal, about hedges and fences, southern Texas to northern South America. 



Page 406, for " Allionia bract eosa" in key and description, read " Allionia 

 bracteata. ' ' 



Page 410, before Pisonia, insert: 



7a. COMMICARPUS Standley. 

 Perennial reclining or climbing herbs. Leaves opposite: blades broad, entire, 

 petioled. Flowers small, in peduncled umbels. Calyx short-funnelform: tube very 

 short: limb broad. Stamens exserted. Fruit clavate, obscurely 10-ribbed, glandular, 

 — Differs from Boerhaavia in umbellate inflorescence, the perianth and the fruit. 



1. Commioarpus scdndens (L.) Standley. Stem and branches glabrous, wiry: 

 leaf -blades ovate, 1-3 cm. long, truncate or cordate at the base: umbels 5-8-flowered: 

 pedicels 5-12 mm. long: calyx greenish, 5-6 mm. wide, the lobes abruptly pointed: 

 fruits 7.5-9 mm. long, glandular above the middle. 



In thickets, Texas to Arizona and tropical America. Spring to fall. 



Page 410, in the first line of the description of Pisonia aculeata, after "tall," 

 adid " or a high-climbing vine. ' ' 



Page 413, between Sesuvium and Tetragonia insert: 



5a. GALBNIA L. 



Herbs or shrubs, with spreading or prostrate branches, the foliage glabrous, 

 pubescent or scaly. Leaves opposite or alternate, often very variable in size. Flowers 

 perfect, inconspicuous, axillary. Sepals 4 or 5. Stamens 8 or 10, in pairs at the 



