162 78. AMARYLLIDACE^E. 



cylindrical. Fl. small, yellowish white, fragrant. Sep. converg- 

 ing, ovate, concave, very small. Lip 3-cleft, middle-lobe longest. 

 Spur short, obtuse. 



Not common. Mountain pastures. (S) P. 68. " In a hilly pasture above 

 Castlemilk," Hopk. " Campsie hills," Mr. Murray. Hills below Gourock ; Kilmun; 

 Bute and Arran. 



B. Spur very long. 



3. H. BIFOLIA, Br. Butterfly -Orchis. Root-knobs oval, en- 

 tire. Stem 10 15 in. high, with a pair of opposite ovate le. from 

 near its base, upper stem le. small lanceolate or reduced to scales. 

 Spike long, loose. Fl. white with a greenish tint, or pure white, 

 fragrant. Upper petals and back sep. arching or connivent. Lip 

 linear, entire. Spur slender, twice as long as the ovary. Anther 

 cells parallel. 



Frequent. Moist meadows and heaths. (B) P. 68. " About Douglaston and 

 Kenmuir," Hopk. Possil marsh; Paisley Canal bank; Cathkin hills; Gourock 

 to Arran. 



4. H. CHLORANTHA, Bab. Great Butterfly '-Or 'chis. Very little 

 difference exists between this and the former ; the present plant 

 is usually taller and stronger, growing in moist woods. Anther 

 cells twice the width asunder at the base from ivhat they are at the 

 apex. Stigma very broad. 



Frequent. Moist woods and thickets. (E) P. 5 8. Calderwood glen ; Dougal- 

 ston woods; Gourock ; Cumbrae and Arran. 



77 IRIDACE^E. 



1. I'RIS. Iris, Yellow-Flag. 



I. PSEUD-ACORUS, L. Yellow Water-Iris, Yellow Flower-de- 

 luce. Rhizome thick, horizontal, acrid. Stem erect, 24 ft. 

 high. Le. sword-shaped, bases clasping each other, equitant, 

 Large segments of the peri, beardless, reflexed; smaller ones 

 oblong, erect, less than the petaloid stigmas. Flowers 2 3, 

 rising from a sheathing bract, large, deep yellow. Capsules large, 

 bluntly 3-angled. Seeds large, angled. 



Very common. Along the banks of rivers and in marshy meadows. (B) P. 

 5_7. Banks of the Forth and Clyde Canal, &c. 



Iris foetidissima. Foetid-Iris, Gladdon. Frequently escaping 

 from gardens, as in Cumbrae. Flowers smaller than the last, 

 dull blue or pale yellowish white. Le. foetid. 



78. AMARYLLIDACE^l. 



1. GALANTHUS. Snoivdrop. 



* G-. NIVALIS, L. Scape 3 8 in. high. Le. 2, linear, keeled, 

 short at the time of flowering, lengthening as it comes to maturity, 



