OF THE GENUS ARENARIA. 423 
Subgenus IV. DICRANILLA. 
Sectio i. RADIANTES. 
Petala calyce longiora. Stamina 10. 
149. A. napnrANS, Benth. Pl. Hartweg. Mezic. p. 163 (1839- 
48); Jameson, Syn. Plant. ZEquat. 1. p. 45 (1865). 
Viscidula. Radix prelonga. Folia lanceolata canaliculato- 
concava subcartilaginea glabra. Sepala lanceolata. Petala 
oblonga unguiculata radiato-patentia. ^ Antherm  violacem. 
Styli 3; ovula circiter 10. Semina orbiculata. 
From the available specimens, which are damaged, no further 
characters are to be made out. Jameson by a slip of the pen 
says that the sepals (petals ?) are unguiculate. 
Geogr. area. The Andes of Ecuador: Mt. llinissa and Mt. 
Chimborazo, near the line of perpetual snow, and at 1500 
metres. 
150. A. DICRANOIDES, H. D. & K. Nov. Gen. et Spec. vi. p. 34 
(1823) ; Jameson, Syn. Plant. diquat. i. p. 45 (1865). 
Habit of Dicranum glaucum, Hedw.,amoss. The type of this 
species is Lobelia bryoides, Willd. herb. no. 4011. 
Hab. The Andes of Ecuador, Peru, and Bolivia. 
Syn. Lobelia bryoides, Willd. herb. ex Roem. & Schult. Syst. Veg. v. 
p. 41 (1819). 
Sectio ii, PYCNOPHYLL&. 
Petala calyce multum breviora, vel nulla. Stamina 10. 
151. A. prsuLCA, Rohrb. im Linnea, xxxvii. p. 248 (1871-72) 
(nomen); Bartl. in Relig. Haenk. ii. p. 12 (1830), sub Cherleria 
bisulea, 
Glabra vel tenuissime pubescens. Radix parce fibrosa. 
Caules valde ramosi, diffuso-esspitosi, undique procumbentes, 
tenuissime puberuli, inequales, 10 centim. Rami ramulique 
partim æque proeumbentes, partim (presertim floriferi) erecti, 
approximati tetragoni parce pubescentes. Folia lanceolata 
Acutato-mucronata nitida enervia, dorso convexo sulcis duobus 
angustis profundis notata, margine incrassata setulis brevibus 
ciliata, basi non attenuata, fere amplexicaulia necnon connata. 
Calyx coriaceus nitidus, basi subturbinatus ; sepala ovato- 
lanceolata acuminata omnino glaberrima, extus sicut in foliis 
caulinis bisulcata, Petala lineari-oblonga, apice emarginata, 
