378 — TWO NEW UMBELLIFEROUS PLANTS 
Has. Stony, mossy borders of Cœur d'Aleine Lake. April n. 320. 
. 1. Phalaris arundinacea, L.—Hook. Fl. Bor. Am. vol. ii. p. 234. 
Has. Banks of rivulets in meadows, Upper Oregon. August. s. 216. 
1. Panicum viscidum, Elliott—Hook. Fl. Bor. Am. vol. ii. p. 236. 
Has. Stony banks of the Kooskooskie and of Sweet River. June, 
July. a. 475, 491. 
1. Stipa Sparta, Trin.—Hook. Fl. Bor. Am. vol. ii. p. 237. 
Has. Sandy valley of Lower Platte; sparingly over the Upper Colum- 
bia and Spokan-river Valley. June, July. x. 146. 
2. Stipa membranacea, Ph. Kunth. Eriocoma cuspidatum, Hook. Ft. 
Bor. Am. v. 2. p. 237. 
Has. Scattered over the whole range of desert of Missouri territory. 
June, July. n. 23. 
(To be continued.) 
On two new Umbelliferous Plants from the Alps of South-eastern Aus- 
tralia; by Dn. FERDINAND MUELLER, Government Botanist for 
the Colony of Victoria. 
(Plaies XI. and XII.) 
DICHOPETALUM, n. g. Hydrocotylearum. 
Char. Gen. Flores hermaphroditi. Calycis lobi albi, membranacei, pe- 
= taloidei, petalis conformes, deeidui. Petala sessilia, ovato-elliptica, 
. Spice non inflexo, obtuso. Stamina petalis breviora. Styli diver- 
. gentes. Stylopodia crassa, subulata. Fructus immaturus a dorso 
.. eompressus?, subovatus; mericarpia quinque-juga, evittata. Carpo- 
— phorum indivisum.— Herba prostrata, perennis, acaulis, hispida, Alpes 
Australie incoleus. Scapi aphylli. Folia longe petiolata, subrotunda, 
: 3-5-loba, lobis inciso-crenatis. Umbelle pauciflore, simplices vel sub- 
*- composite; invo cro magno, triphyllo, foliolis basi &epe concretis. 
—. Flores albi, quasi decapetali, antheris atro-rufis. (Tas. XL) 
53 Dichopetalum ranunculaceum, Ferd. Mueller, 
Has. In locis glareosis nive deliquescente irrigatis et eirca fontes Al- 
pn. Australie,’ t w 5-1000 pe e yg. Magyar Mountains.— 
species has = Alps of Tasmania by Mr. Milligan. 
—M à 
j 
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