27. LYTHRACE.E. 65 



2. C. ALPINA, L. Alpine Enchanter's Nightshade. Stem 

 ascending, generally smooth, 6 10 in. high. Le. opposite, ovate, 

 cordate at the base, petiolate, distantly denticulate, shining. 

 Raceme generally with minute bracts at the base of the pedicels. 

 Fl. smaller than in the former. Ovary ivith nearly straight hairs. 

 1-celled, 1-seeded. 



Rare around Glasgow. Woods and stony places. (S) P. 7 8. "On the great 

 1mm, Hamilton wood, and at Mauchlan-liole, Kilbride," Patr. Banks of Loch 

 Lomond and Arran. 



26. HALORAGACE^!. 



1. HIPPTJRIS. Mare's-Tail. 



H. VULGARIS, L. An aquatic plant, with simple erect stems. 

 Le. 8 12 in a whorl, linear, with a hardened point. Fl. very 

 small, in the axils of the upper le. Anthers dark red, sometimes 



absent. 



Not common. (B) P. 67. Possil marsh; Forth and Clyde Canal; Frankfield 

 Loch ; hills beyond Gourock, &c. 



2. MYRIOPH^LLUM. Water-Milfoil. 



1. M. SPICATUM, L. Spiked- Water- Milfoil An aquatic plant, 

 with submerged le. Stems slender, branched. Le. verticillate, 

 pectinate, usually 4 in a whorl. Fl. verticillate, from the axils of 

 bracts. Spike erect, rising above the surface of the water when 

 in flower. 



Common. In ponds and running streams. (B) P. 6 7. Clyde; Cart; Kelvin, 

 Hogganfield Loch, &c. 



2. M. ALTERNIFLORUM, DC. Alternate-flowered Water-Milfoil. 

 Stems slender, slightly branched, bare of le. at the base. Le. 

 verticillate, 4, seldom 3 in a whorl, pectinate, very slender, not 

 exceeding the internodes. Fl. with the lower bracts similar to 

 the le. , 3 in a whorl ; upper fertile and sterile fl. alternate, the 

 latter hooked in the bud. Anth. linear-oblong; more slender and 

 delicate than in the preceding plant. 



Rare? In ponds and ditches. (B) P. 58. Islands of Cumbrae and Bute. 



27.-LYTHRACEJE. 



1. Lf THRUM. Purple-Loosestrife. 



L. SALICARIA, L. Stem erect, herbaceous, 2 3 ft. high. Le. 

 opposite or in threes, lanceolate, cordate at the base. Fl. in 

 reddish purple or crimson spikes, very beautiful. Cal. striate. 

 Petals oblong, undulated. 



Frequent. Wet ditches and banks of rivers. (E) P. 79. Banks of Clyde, 

 common from Renfrew to Dumbarton ; banks of Cart ; Gourock, &c. . 



E 



