158 BOTANY OF THE VOYAGE OF THE SULPHUR. 
745. Amarantuus retroflerus, Linn.—Guayaquil. 
746. AMARANTHUS scariosus, sp. n., (Plate LI), foliis ovatis longe petiolatis, glomerulis ple- 
risque spicatis, spicis superioribus paniculatis, bracteis aristatis perigonium superantibus, staminibus 
5, stylis 3-4, perigonio foemineo cum fructu deciduo urceolato basi indurato, segmentis apice scarioao- 
dilatatis patentibus obovatis emarginatis.—Tiger Island, Gulf of Fonseca; gathered also in Guate- 
mala, by Friedrichsthal. 
Habitus et inflorescentia A. retroflexi. Folia pleraque angustiora et acutiora. Bracteze scariosee, 13-2 
lin. longee, costa viridi in aristam subpungentem excurrente. Florum dispositio, stamina, styli (hi tamen 
interdum 4) et utriculus A. retroflexi. Perigonii masculi segmenta 5, oblonga, obtusiuscula, costa vix 
conspicua undique hyalina; foeminei segmenta superne multo patentiora quam in A. retroflexo et — 
dilatata, basi in fructu incrassata, et utriculum includens cum illo sub forma urceoli deciduum, segmentis 
singulis a medio ad apicem hyalinis scariosis costa virescente tenui percursis. 
Plate LI. fig. 1. fasciculus of three flowers, two female and one male; fig. 2. male flower 
opened ; fig. 3. female flower opened ; fig. 4. perigon in fruit; fig. 5. acheenium; fig. 6. seed; fig. 
7. embryo; all magnified. 
747. AMARANTHUS urceolatus, sp. n., foliis ovatis oblongisve longe petiolatis, cymulis axillaribus 
summis simpliciter subspicatis, bracteis calyce brevioribus vix mucronatis, staminibus 5, stylis 3, 
perigonio foemineo cum fructu deciduo urceolato basi indurato, segmentis spathulatis apice scarioso- 
dilatatis patentibus.—Guayaquil. 
Habitus, folia et inflorescentia A. polygonoidis. Bractewe parve, acute. Flores et fructus fere A. scariosi, 
sed minores. Perigonii masculi segmenta oblonga, mucronata, hyalina; foominei fructiferi segmenta tria 
exteriora apice orbiculato-spathulata basi valde angustata, duo interiora apice subsimilia a basi tamen dilatata ; 
omnium lamina viridi-venulosa, margine integro vel subcrenulato. 
748. Cuamissoa altissima, Sw.—Tepic. 
749. Cexosta cristata, Linn.—Guayaquil. 
750. Cxxosia paniculata, Linn.—Guayaquil. 
751. Crxosta nitida, Vahl? Symb. 2. p.44.—A. C. paniculata parum diversa floribus majoribus 
paucioribus, bracteis ovatis acutis nec lanceolatis, perigonii foliolis latioribus. — Between San Blas 
and Tepic. 
PHYTOLACCACER. 
752. Rivina humilis, Linn.—Realejo. 
753. Montana secunda, Mart.— Rivina secunda, Ruiz. et Pav.—Rivina inequalis, Hook. Ic. PI. 
t. 130.—Salango. 
754. Periverta alliacea, Linn.—Mexico to Guayaquil. 
The number of hooks to the fruit is, in these specimens, constantly two on 
