67. URTICACE^:. 147 



2)oints. Capsule nearly smooth, slightly warted on the back. 

 Seeds small wrinkled. 



Not common. In corn fields. (E) A. 710. Near Strathbungo ; Shawlands ; 

 beyond Rutherglen ; Tollcross; Cumbrae, &c. 



*4. E. LATHYRIS, L. Caper-Spurge. Stem stout, 2 3 ft. 

 high. Le. of the first year in 4 rows; of the second, oblong- 

 lanceolate, sessile, and cordate at the base, glabrous. Umbel of 

 3 4 long branches, forked once or twice. Glands of the involucre 

 crescent-shaped, witli 2 Hunt horns. Capsule large, smooth. Seeds 

 rough. 



An escape from gardens. " Barncluith, and around Hamilton," Pair. B. 6 7. 



66. CALLITRICHACE^S. 



1. CALLfTEiCHE. Water- Starwort. 



C. VERNA, L. Vernal Water -Starwort. Floating in water, or 

 creeping on mud. Lower le. narrow, linear, obtuse; upper ones 

 oval or obovate, spreading in little rosettes. Fl. axillary. Bracts 

 straightish, deciduous. Fr. in parallel lobes, tetragonal, bluntly 

 keeled on the back. 



Common. In ponds and ditches. (B) A. 49. Fossil marsh; Forth and Clyde 

 Canal; Paisley Canal "bank, &c. 



Var. platycarpa. Bracts falcate, persistent. Fruit in parallel 

 lobes, winged on the back, sinus deep. 



Common. Creeping over the surface of mud and in deep water. Fossil marsh ; 

 Paisley Canal bank ; Bute, &c. 



67. URTICACE^E. 



1. URTfcA. Nettle. 



1. U. UHENS, L. Small Nettle. Stem erect, about 1 ft. high. 

 Le. opposite, ovate or elliptical, serrate. Barren and fertile fl. 

 intermixed, in small oblong axillary clusters, shorter than the 

 petioles. Achenes oblong. Plant covered with stinging bristles. 



Common. Waste places near villages, and in cultivated ground. (B) P. 69. 

 Cathcart; Carmyle; Tollcross, &c. 



2. U. uioiCA, L. Common Nettle. Stem erect, 2 3 ft. high. 

 Lower le. ovato- cordate, deeply serrate; upper ones mostly lanceo- 

 late, all opposite and serrate. Mostly dioecious. Spikes axillary, 

 branched, in pairs, longer than the petiole. Achenes ovate. Plant 

 hairy, and covered with stinging bristles. 



Very common. Waste places, and along hedges by roadsides. (B) P. 69. 



