491, 
492, 
© Plains near Mendoza, Dr. Gillies.—In our dried speci- 
331 
fida, 8. Juss. De Cand.—Pampas of Buenos Ayres, Dr. 
Gillies. Sandy banks near Buenos Ayres, Tweedie. 
(1.) Portulaca grandiflora, Hook.—a. major ; foliisunciam 
vel sesquiunciam longis.—Bot. Mag. t. 2885.— 8. micro- 
phylla, foliis vix semiunciam longis.—P. Mendocinensis, 
Gill. mst.—az. and &. Between Rio Saladillo and Men- 
doza, Dr. Gillies. Near Mendoza, T. weedie.—Although 
Dr. Gillies distinguished and drew up descriptions of 
these, from the living plants, as species, yet we cannot 
in the dry state find any specific difference: indeed a 
specimen from Tweedie is nearly as robust as in z., 
while the leaves are larger than in £. 
(2.) Portulaca Gilliesii, Hook. in Bot. Mag. t. 3064. — 
men, the leaves are about an inch long, and fall off so 
very readily from the upper part of the stem under the 
flowers, that these have the appearance, at first sight, 
of being seated at the e of a longish naked — 
"GRAHAMIA. Gill. mst. 
« Calyx disepalus, persistens: sepala oblongo-lanceolata, mu- 
cronata, concava, rigida, bracteis 8-9 imbricatis, sepalis 
subsimilibus suffulta. Petala 5, obovata, obtusa cum 
mucronulo. Stamina plurima (circiter 40): filamenta 
filiformia, basi monadelpha : anthere biloculares, erectae. 
Pistillum 1: germen oblongum, l-loculare: Stylus fili- 
formis, sursum incrassatus: stigmata 4 vel (sspius) 
5, linearia. Capsula l-locularis, 5-valvis. Semina plu- 
rima, compressa, late membranaceo-alata, placenta cen- 
trali podospermio affixa.—Frutex glaber, ramosus; 
rami divaricati. Folia alterna, teretia oblonga, obtusa, 
carnosa, azillis pilosa. Flores solitarii, ramos breves aut 
elongatos terminantes. Bractese st 
apiculate, interiores lanceolate, eateriores. oblonga brevi- 
oresque, circa calycem arcte imbricate, Sepala concava, 
albida, dorso lon wervia, margine scari- 
