510 Vermischte neue Diagnosen. 
the sepals, emarginate. The specimens have often an extremely densely 
tufted and eompaet growth, and in such specimens the flowers are but 
few in numbers or quite wanting (f. caespitosa Malmgr. sub C. alpino). 
844. Matricaria inodora L. var. grandiflora (Hook.) C. H. Ostenfeld, 
Le, p.25. — Chrysanthemum grandiflorum Hooker in Parry’s 2nd Voy. 
App., 1825, p. 398. — Pyrethrum inodorum 8. nanum Hooker et Arnott, 
Bot. of Beechey Voy., vol. I, p. 126; Hooker, Fl. Bor. Am., I, 1834, p. 320. 
— Matricaria grandiflora Britton, Mem. Torr. Club., 5, 1894, p. 340; Brit- 
ton et Brown, III, Fl. N. Am., 3, 1898, p. 459. — M. inodora var. nana 
Macoun, Catalogue II, 1884, p. 254. — M. inodora var. phaeocephala Rup- 
recht, Fl. Samojed. cisural, 1846, p. 42; J. Lange, Consp. Fl. Groenl,, 
1880, p. 108; an Pyrethrum ambiguum Ledeb.? — Pyrethrum inodorum var. 
pumilum Rae, Wollaston-Vietoria Land. — In full bloom in the beginning 
of August (Aug. 6. 1904, Aug. 1st—1oth in 1905) and with scapes from 
the foregoing year. 
845. Taraxacum hyperboreum Dahlstedt apud C. H. Ostenfeld, l. c., 
p. 26, fig. 18. — Planta humilis vulgo 1—1,5 cm alta. — Folia tenuia 
glabra, laete viridia nervo mediano petiolisque + alatis pallidis, lingu- 
lata v. linearia v. anguste lineari-lanceolata lobulis brevibus v. mediocri- 
bus acutis sat remotis triangularibus marginibus concavis v. deltoideis 
margine superiore integris v. dente uno alterove instructis apicibus pa- 
tentibus v. ungulatim curvatis, interlobiis + latis margine concavo vulgo 
integro, lobo terminali hastato brevi v. mediocri acuto. — Peduneuli 
folia aequantes vel iis paullo longiores praesertim apicem versus + 
araneosi. — Calathium sat planum valde radians 45—50 mm latum. — 
Ligulae amoene luteae, interiores obseuriores, marginales latae planae 
extus concolores v. stria inferne latiuscula superne vulgo ad nervos 
solum limitata olivacea notatae. — Antherae sat obscure luteae polline 
carentes. — Stylus luteus, stigmatibus longis obscuris. — Involucrum 
humile, sat crassum, atroviride, squamis exterioribus latiusculis v. sat 
latis ovato-lanceolatis sub apice mediocriter — longiuscule cornutis atro- 
viridibus saepe paullulum purpurascentibus + conspicue albo-marginatis 
erectis subadpressis paullum supra medium interiarum adtingentibus, in- 
timis sub apice cornu minore instruetis. —  Achenium haud visum. — 
Arctic North America: King William Land. In full flower about the 
beginning of August (July 81. 1904; Aug. 3.—5. 1905). 
846. Salix glauca L. var. Seemanii (Rydb.) C. H. Ostenfeld, 1. c., p. 34- 
— S. glauca Coville, Proc. Washington Acad. Sce., IIl, 1901, p. 321, pl. 39. 
— S. Seemanii Rydberg, Bull. New York Bot. Garden, 2, no. 6, 1901, 
P. (164). — Arctic North America: King Point. Flowering female 
twigs were collected July 4. 1906. — The plant which I take as 8 
variety of S. glauca L., has been described and figured by Coville (l. e): 
he considers it as the true S. glauca L., but from the European S. glauca 
it differs a. o. in its nearly uncleft style and uncleft inner nectaries (cf. 
S. J. Enander, Studies öfver Salices i Linnés Herbarium, Inbjud. t. Teolog- 
Dokt. Promot., Upsala 1907, pp. 113—115), otherwise its habit comes 
