STANDLEY — FLORA OF GLACIER PARK. 399 



75. BORAGINACEAE. Borage Family. 



Annual or perennial herbs, the pubescence often of stiff bristle-like hairs; leaves 

 alternate or opposite, entire; flowers regular, in 1-sided racemes or spikes, these 

 variously arranged; calyx of 5 partly united sepals; corolla 5-lobed; stamens 5, 

 attached to the corolla tube; fruit of 4 nutlets, inserted on a receptacle. 



Nutlets with hooked prickles, at least on the margins 1. LAPPTJLA. 



Nutlets unarmed, or rarely with straight prickles. 

 ■ Corolla blue. 



Plants glabrous or nearly so; corolla about 1 cm. long .... 2. MERTENSIA. 

 Plants very hairy; corolla much less than 1 cm. long. 

 Plants densely tufted, 2 to 8 cm. high, white-hairy; corolla 7 to 9 mm. -^^dde. 



3. ERITRICHUM. 

 Plants not densely tufted, 10 to 30 cm. high, not white-hairy; corolla 4 to 6 



mm. wide 4. MYOSOTIS. 



Corolla white or yellow. 

 Corolla yellow. 



Plants covered with stiff sharp bristle-like hairs, biennial, with slender roots, 



never forming tufts; receptacle conical 5. AMSINCKIA. 



Plants with short, mostly appressed haii's, perennial, with thick roots, usually 



forming dense tufts; receptacle flat 6. LITHOSPERMUM. 



Corolla white. 

 Pedicels in fruit falling off with the closed calyx .... 7. CRYPTANTHA. 

 Pedicels and calyx not falling in fruit. 



Plants perennial, stout, 15 to 30 cm. high; calyx lobes open in fruit; leaves 



alternate 8. OREOCARYA. 



Plants annual, slender, usually less than 15 cm. high; calyx lobes nearly 

 closed in fruit; leaves mostly opposite 9. ALLOCARYA. 



1. LAPPTJLA Moench. 



Annuals or perennials; leaves alternate, narrow; flowers blue, in one-sided racemes; 

 corolla with very short tube; nutlets with barbed prickles along the edge and some- 

 times also on the back. 



Racemes with leafy bracts only at the base; plants perennial; corolla 4 to 10 mm. 



broad . 



Corolla 8 to 10 mm. broad; nutlets with a few prickles on the back . . 1. L. diffusa. 



Corolla 4 to 6 mm. broad; nutlets without prickles on the back . . 2. L. floribunda. 



Racemes with small leaf like bracts along the whole length; plants annual; corolla 2 



mm. wide or less. 



Nutlets with a single row of few prickles along the edge 3. L. occidentalis. 



Nutlets with a double row of very numerous prickles along the edge. 



4. L. echlnata. 



1. Lappula diffusa (I;ehm.) Greene. Bur forget-me-not. Common at nearly all 

 altitudes, but most abundant near or above timber line, in moist woods or thickets, 

 in meadows, and on open slopes and rock slides. B. C. to Calif., Utah, and Alta. — 

 Plants rough-hairy, 50 to 80 cm. high; lowest leaves oblanceolate, 5 to 20 cm. long, 

 the stem leaves lanceolate or oblong, smaller; fruit 6 to 7 mm. wide, rough on the back 

 and prickly. 



A handsome plant with very numerous pale blue flowers which resemble those of 

 the common forget-me-not. It blooms soon after the snow melts, and often forms 

 large dense patches. 



2. Lappula floribunda (Lehm.) Greene. Occasional on the east slope at high or 

 low altitudes, on open slopes or in moist woods. B. C. to Calif.; N. Mex., and Man. — 

 Similar to L. difftisa, except for the smaller flowers. 



