284 
HYDROLEACEAE. 
ii. Phacelia ciliosa Rydb. In the mountains from Alb. and B. C. to Colo, 
and Nev.—Alt. 8000-12,000 ft.—Between Bald Mountain and Seven Lakes; 
near Pagosa Peak; Cameron Pass; Hahn’s Peak; Clear Creek Canon; 
mountains above Boreas; Berthoud Pass, near Georgetown; Little Kate Basin, 
La Plata Mountains; Carson; Silver Plume. 
5. MARILAUNIDIUM Kuntze. 
1. Marilaunidium angustifolium (A. Gray) Kuntze. ( Nama dichotomum 
angustifolium A. Gray) In cultivated ground and waste places from Colo, 
to N. M.—Colorado Springs. 
Family 115. HELIOTROPACEAE Small. Heliotrope Family. 
Cone of the stigma penicillate-setose; fruit didymous; each of the two carpels 
splitting into two almost hemispherical nutlets. 1. Euploca. 
Cone of the stigma not penicillate-setose; fruit in ours 4-lobed, splitting into 
four 1 -seeded nutlets. 2. Heliotropium. 
1. EUPLOCA Nutt. 
1. Euploca convolvulacea Nutt. ( Heliotropium convolvulaceum A. Gray) 
Sandy plains from Neb. and Wyo. to Tex. and Calif.; also Mex.—Arkansas 
River; sandy plains of Platte. 
2. HELIOTROPIUM L. Heliotrope. 
1. Heliotropium spathulatum Rydb. ( H. Curassavicum Hook.; not L.) In 
river valleys from Ass. and Wash, to N. M. and Calif.—South of New 
Windsor, Weld Co. 
Family 116. BORAGINACEAE A. Gray. Borage Family. 
Nutlets with hooked prickles at least on the margin. 1. Lappula. 
Nutlets unarmed or if prickly, the prickles not curved. 
Receptacle conic or elongated ; the nutlets attached laterally. 
Nutlets attached below the middle, with an oblique truncate back, which is 
surrounded by an entire or toothed margin; low pulvinate-cespitose per¬ 
ennials. 2. Eritrichium. 
Nutlets attached at the middle or with an elongated scar reaching from the 
base to above the middle, not with a truncate margined back; plants 
not pulvinate-cespitose. 
Pedicels and calyx persistent in fruit. 
Calyx circumscissile ; plants dichotomously branched. 
3. PlPTOCALYX. 
Calyx not circumscissile ; plants not dichotomously branched. 
Calyx-lobes spreading in fruit; leaves alternate ; perennials. 
4. Oreocarya. 
Calyx nearly closed in fruit; leaves proper opposite ; annuals. 
5. Allocarya. 
Pedicels in fruit falling off with the calyx; the latter closed; branched 
but not dichotomous annuals. 6. Cryptanthe. 
Receptacle flat or merely convex. 
Scar of the nutlets large and excavated, bordered by a prominent margin. 
7. Anchusa. 
Scar of the nutlets small and marginless. 
