79 
ati} 
OF THE GENUS ARENARIA. 
are shorter than the petals and hairy along the keel. Pinned to 
the sheet containing the specimens is a drawing by Sir J. D. 
Hooker of the magnified representation of a flower after ferti- 
lization, which well shows the structure of the gynecium and 
the floral envelopes. In Haenke’s herbarium are specimens 
collected in Chile; but whether they have been overlooked or not, 
the species is not included in Messrs. Reiche and Johow's recent 
‘Flora de Chile.’ 
Geogr. limits.—N. United States: San Antonio in New Mex- 
ico, 37? N. (Whipple Exped., and Fendler, no. 58). 
S. Argentina: Santa Cruz in Patagonia, at the mouth of 
the river of that name (Charles Darwin). 
W. Mexico: Santa Cruz in prov. of Sonora (Wright, 
no. 864). 
E. Brazil: Caldas in prov. of Minas Gerais (Lindberg). 
leonogr.— Rohrb. in Mart. Fl. Bras. xiv. pt. 1. t. 63. 
Syn. Arenaria alsinoides, Willd. ex Schlecht. in Gesellsch. naturf. 
Fr. Berl. Mag. vii. p. 201 (1813). 
A. diffusa, Ell. Sketch, i. p. 519. 
A. Jussiæi, Cambess. in St.-Hil. Fl. Brasil. merid. ii. p. 126. 
A. nemorosa, H. B. K. Nov. Gen. Spec. vi. p. 28. 
A. paradoxa, Bartl. in Reliq. Haenk. ii. p. 15. 
Alsine repens, Ruiz er Rohrb. in Linnea, xxxvii, p. 262. 
Micropetalum lanuginosum, Pers, Syn. Plant. i. p. 509 (1805). 
Mahringia nemorosa, Fenzl ex Hemsl. Biol. Centr.-Amer., Dot. 
i. p. 69. 
Spergulastrum lanuginosum, Michx. Fl. Bor.-Amer. i. p. 275. 
Stellaria elongata, Nutt. Gen. i. p. 289. 
S. lanuginosa, Torr. et Gray, Fl. Amer. Bor. i. p. 187. 
S. tongepedunculata, Baldw. ex Rohrb. in Linniea, xxxvii. p. 261. 
S. pubescens, H. B. K. Nov. Gen. Spec. vi. p. 28. 
Bigelowia elongata, Rafin. in Journ. Phys. 1819, p. 289. 
.. 69. A. wEGATANTIIA.—AÀ. lanuginosa, ear. megalantha, Rohr. 
in Linnea, xxxvii. p. 264 (1871-72). l 
Caules diffusi, laxi, primüm procumbentes, dein adscendenti- 
“rectiusculi, inferne teretes, superne sulcati vel subquadran- 
Sulares, ramis oppositis aut altero minore vel rarius abortivo ; 
Pubescentes, pilis brevibus plus minus densis subuncinato- 
reflexis, vel glabrescentes, Folia forma et magnitudine variantia, 
une anguste linearia subulataque, nunc lineari-lanceolata, nune 
ate ovata, internodiis aut breviora aut rarius ea subaquantia, 
mucronulato-acuminata, superiora sensim decrescentia, aut punc- 
tulata et ad nervos basinque tantum puberula aut plus minus 
