490 CONTKIBUTIONS FROM THE NATIONAL HERBARIUM. 



2. Vaccinium scopariviin Leiberg, Mazama 1: 196. 1897. 



Vaccinium erythrococcum Rydb. Mem. N. Y. Bot. Gard. 1: 301. 1900. 



Type locality: "Alpine woods near the Height of Land and Columbia Portage." 



Range: British Columbia and Alberta to California and northern New Mexico. 



New Mexico: Winsor Creek; Baldy; Harveys Upper Ranch. Deep woods, in the 

 Canadian and Hudsonian zones. 



This is one of the few plants found in the dense spruce forests. The berries are of 

 good flavor and are frequently gathered for food. 



Order 40. PRIMULALES. 



KEY TO THE FAMILIES. 



Styles distinct; fruit an achene or Utricle ; o%Tilel. 109. PLUMBAGINACEAE (p. 490). 

 Styles united; fniit capsular or drupelike: 



ovules several 110. PRIMULACEAE (p. 490). 



109. PLUMBAGINACEAE. Plumbago Family. 



1. LIMONITJM Adans. 



Acaulescent herbaceous perennial, 30 cm. high or less, with leathery entire basal 

 leaves and a corymbosely branched inflorescence of small wliite flowers; leaves ob- 

 lanceolate-spatulate; flowers sessile; calyx funnelform, the tube 10-ribbed, the limb 

 scarious, plicate; petals 5, clawed, the claws united at the 'base; ovary 1-celled, 

 5-angled; styles 5, distinct: fruit a utricle, the seed filling the ca^•ity. 



1. liimonium limbatum Small, Bull. Torrey Club 25: 317. 1898. 



Statice limbata Schum. Bot. Jahrb. Engler 26: 390, 1900. 



Type locality: "In alkaline soil, Texas and New Mexico." Type, Wright's 1435. 



Range: Texas and southeastern New Mexico. 



New Mexico: Tularosa; Belen; plains near the White Sands; Roswell. Alkaline 

 soil, in the Lower Sonoran Zone. 



110. PRIMULACEAE. Primrose Family. 



Annual or perennial herbs, most of them low, some of them very small; leaves 

 mostly simple, alternate, opposite, or whorled, basal or cauline, exstipulate; inflo- 

 rescence various; flowers perfect, usually regular; calyx of 4 to 9 partially united sepals, 

 usually persistent; corolla gamopetalous, hj'pogjTious (except in Samolus); stamens 

 as many as the corolla lobes and opposite them, attached to the tube; ovary free (ex- 

 cept in Samolus), 1-celled, with a central placenta; fruit a capsule Avith 2 to 8 valves. 



KEY to the genera. 



Ovary inferior, attached to the base of the calj'x and 



corolla tubes 1. Samolus (p. 491). 



Ovary superior, free from all other flower parts. 

 Leafy-stemmed plants. 



Capsule opening lengthwise; flowers yellow 2. Steironema (p. 491). 



Capsule circumscissile ; flowers reddish 3. Anagallis (p. 492). 



Scapose or very short-stemmed plants, the leaves all 

 basal. 

 Corolla lobes reflexed; stamens exserted, con- 

 nivent in a cone or somewhat monadel- 



phoUS 4. D0DEC.\THE0N (p. 492), 



