24 ERICACEAE. Vaccinium. 



* # Flowers solitary in the earliest axils, usually 5-merous and 10-andi'ous : calyx less or very 

 slightly lobed. 



H— Dwarf and cespitose : branches not angled. 



V. csespitosum, Michx. Glabrous or nearly so, 3 to 6 inches high : leaves from obo- 

 vate to euneate-oblong, obtuse or rarely aeutish, thickly serrulate, Bright green both sides, 

 reticulate-veiny (one to three-quarters inch long): corolla ovate or ovoid-oblong: berry 

 proportionally large, blue with a bloom, sweet. — Hook. Fl. ii. 33, t. 126 ; & Bot. Mag. t. 

 3429. — Hudson's Bay and Labrador, alpine summits of White Mountains of New Hamp- 

 shire, and Colorado Rocky Mountains to Alaska. 



Var. arbuscula. Erect and a foot high, much branched : leaves obovate, thicker, 

 little exceeding half an inch in length : flowers and berries rather smaller. — Sierra 

 Nevada, California, in Plumas Co., Mrs. Austin. In Oregon passes into the ordinary form 

 and into the following. 



Var. cuneifolium, Nutt. A span to near a foot high, bushy : leaves spatulate- 

 cuneate and with rounded apex, passing in one form (var. angustifolimn, Gray, Proc. Am. 

 Acad. viii. 393) to spatulate-lanceolate and acute ; the earliest not rarely entire. — Mem. 

 Am. Phil. Soc. n. ser. viii. 262. — Mountains of Colorado and Utah to California, British 

 Columbia, and east to Lake Superior. 



-i— H— Low : branches sharply angled and green : leaves small. 



V. Myrtlllus, L- (Whortleberry, Bilberry.) A foot or less high, glabrous: leaves 

 ovate or oval, thin, shining, serrate, conspicuously reticulated-veiny, and with a prominent 

 narrow midrib (in ours half to two-thirds inch long) : limb of calyx almost entire : corolla 

 globular-ovate : berries black, nodding. — Schk. Handb. t. 107 ; Reichenb. Ic. Germ. 1. u. 

 t. 1169; Hook. Fl. ii. 33. V. myrtilloides, Watson, Bot. King Exp. 209, not of others.— 

 Rocky Mountains, extending as far south as Colorado and N. E. Utah, and north-west to 

 Alaska. (Eu., Asia.) 



Var. microphyllum, Hook. 1. c. ; a remarkable diminutive form, 3 to 6 inches 

 high: leaves -2 to 4 lines long: corolla proportionally small, a line long: berries at first 

 " light red." — Higher Rocky Mountains, south to Colorado and Utah, and in the Sierra 

 Nevada, California, down to 7000 feet. 



+— H— -I— Mostly taller or tall, with spreading branches. 



V. myrtilloides, Hook. (Gray). Glabrous or glabrate, 1 to 5 feet high : branchlets 

 slightly angled : leaves ovate or oval and oblong, sharply serrulate, membranaceous, green 

 both sides, but not shining, loosely reticulate-veiny, an inch or two long, the larger or later 

 mostly acute or acuminate : limb of calyx entire : corolla depressed-globular or semi- 

 globose-urceolate (nearly 2 lines long and broad, yellowish or greenish-white with a purple 

 tinge): pedicel erect in fruit: berry purplish-black, rather acid. — Gray, Man. ed. 5, 291. 

 V. myrtilloides, partly, Hook. EI. ii. 32, & Bot. Mag. t. 34^f(exel. syn. Ait., &c. and var. 

 rtgidum), not Michx.! (which is V. Pennsyhanicum, var. anijuslifolium). V. membranaceum, 

 Dougl. ined. ; Torr. Bot. Wilkes Exp. 377, the larger-leaved coast form ( V. myrtilloides,va.r. 

 membrcmaceum, Hook. 1. c). — Damp woods, Lake Superior to the coast of Oregon and 

 British Columbia. — There is nothing to prevent the retention of this specific name, 

 going back only to Hooker, and excluding the original of Michaux. 



V. ovalifolium, Smith. Glabrous and glaucescent, 4 to 12 feet high, straggling: 

 branchlets more or less angled : leaves oval, mostly obtuse or rounded at botli ends, merely 

 mucronulate, entire or with a few irregular serratures, pale or glaucous, at least beneath 

 (one or two inches long): corolla globose-ovoid: pedicel nodding in fruit: berries blue 

 with a bloom. — Rees Cycl. 1. o. ; Hook. Fl. ii. 33, t. 127; Gray, Man. 1. c. V. Chamissoius, 

 Hong. Sitk. 525. — Woods, Lake Superior (on the south shore, Robbbis), and Oregon to 

 Unalaschka. (Japan. ) 



V. parvif olium, Smith, 1. c. Glabrous, glaucescent, 6 to 12 feet high and straggling : 

 branches and branchlets slender, sharply and conspicuously angled, green, articulated : 

 leaves oblong or oval, obtuse or rounded at both ends, pale and dull, especially beneath, 

 entire, one to three-quarters inch long : calyx 5-lobed : corolla globular : pedicel nodding 

 in fruit : berries light red, rather dry, hardly edible. — Hook. 1. c. t. 128. — Shady and low 

 woods, northern part of California, near the coast, to Alaska and Aleutian Islands. 



§ 4. Vitis-IdjSea, Koch. Corolla, ovary, &c, as in the preceding section : 

 filaments hairy : anthers awnless (at least in ours) : leaves coriaceous and per- 



