ASPERUGO.—ECHINOSPERMUM. 219 
Tr. Il. LITHOSPERME. Nuts 4, affixed to an hypogy- 
nous disk, their base not excavated but attached by a flat or 
rather convex surface. 
8. Ecutum. Cal. in 5 deep segments. Cor. subbellshaped ; 
throat dilated, naked; limb irregular. Stam. exserted; fila- 
ments very long, unequal. Style bifid. Nuts wrinkled, at- 
tached by a flat triangular base. 
9. Putmonaria. Cal. tubular, 5-fid. Cor. funnelshaped, its 
throat naked. Stam. included in the tube; filaments very 
short. Style simple. Nuts smooth, attached by their trun- 
cate base which has a central tubercle. 
10. Mertensia. Cal.in 5 deep segments. Cor. bellshaped, 
with a short thick cylmdrical tube with 5 minute protuber- 
ances in its throat. Stam. protruded beyond the throat ; 
filaments elongate. Style simple. Nuts smooth, inflated, 
rather drupaceous, attached laterally near their base by a flat 
surface; seeds free. 
11. Lirnosprrmum. Cal.in 5 deep segments. Cor. funnel- 
shaped, throat naked or with 5 minute scales. Stam. in- 
cluded in tube; filaments very short. Style simple. Nuts 
smooth or tubercular, stony, attached by a truncate flat base. 
12. Myosoris. Cal. 5-parted. Cor. contorted in estivation, 
salvershaped ; throat closed with scales; limb 5-fid, obtuse. 
Stam. included; filaments very short. Style simple. Nuts 
smooth, convex externally, keeled within, attached by a mi- 
nute lateral spot near the base.—Distinguished from all the 
other genera by the contorted zstivation of its corolla. 
Tribe I. Cynoglossea. 
1. Asperuco Linn. 
1. A. procumbens (L.).—E. B. 661.—St. procumbent, angular, 
rough with short decurved bristles. L. oblong, rough, hispid, 
lower ones stalked, upper sessile. FI. small, axillary, solitary, 
blue, upon short peduncles. Cal. of the fr. much enlarged.— 
Rich waste ground, rare. A. VI. VIL, E. 8. 
2. EcuinosPerMuM Sw. 
(1. BE. Lappula (Lehm.); st. branched above, 1. lanceolate 
adpressed-hairy, cor. longer than the calyx, fruit-stalks erect, nuts 
with a double series of barbed spines on the margins the disk 
and sides tubercled.—St. 43. 16.—St. and 1. covered with ad- 
pressed hairs giving them a silky appearance. ae resem- 
L 
