132 . SYNOPSIS OF THE FLORA OF COLORADO. 



tall, pyramidal tree, with horizontal, drooping branches ; leaves solitary, 

 crowded, somewhat 2 rowed, Q"-W long, " wide, numerous, straight 

 or curved, rigid, flat, linear, obtuse, entire, twisted above the rounded 

 base ; sterile aments 6"-8" long, approximate, the anther-crest short 

 lanceolate, erect ; fertile aments purple, the lobed foliaceous bracts long- 

 exserted, usually reflexed ; cones l'-4' long, I'-IJ' wide, somewhat 

 clustered, pendulous, obtusish ; scales concave, rounded, entire, pubes- 

 cent ; bracts long-exserted, biiid, the acuminate, suberose, dentate lobes, 

 shorter than the cuspidate midnerve ; seed 3" long, acutely margined, a 

 little shorter than the oblong, obtuse wing. " Abundant through the 

 eastern mountain district, except on the higher elevations. A very 

 sightly tree, of the average height of 80 feet, with a graceful oval out- 

 line ; the spreading branches curving upwards at the extremities. 

 Wood of slow growth, but very indifferent, inclined to warp and crack, 

 turning reddish-brown in drying." Known as the " Swamp Pine." Hall 

 & Harbour, 534 ; Parry; Coulter; Porter. 



JUNIPERUS COMMUNIS, L., var. ALPINA, L. Dr. Smith; Hoopes. Twin 

 Lakes and Long's Peak, Coulter. 



JUNIPERUS VIRGINIANA, L. Hoopes ; Brandegee. 



UGOTJVACEJE. 



LEMNA MINOR, L. In the Platte, near Denver, Porter. 



TYPHACE^E. 



TYPIIA LATEFOLIA, L. Wet Mountain Valley, Brandegee. 

 SPARGANIUM SIMPLEX, Huds. Wet Mountain Valley, Brandegee. 

 Var. ANGUSTIFOLIUM, Eugelm. Parry. 



POTAMOGETON NATANS, L. Denver, Dr. Smith. 



POTAMOGETON PERFOLIATUS, L., var. LANCEOLATUS, Bobbins, 



Gratfs Manual, p. 488. Growing on the bottom of Twin Lakes, Coulter. 

 Brandegee; Dr. Smith. 



AL.ISUIACE.E. 



TRIGLOCHIN PALTJSTRE, L. Hall & Harbour, 540. South Park, Porter. 



TRIGLOCHIN MARITIMUM, ~L.Hall & Harbour, 541. Canon City, Bran- 

 degee. South Park, Coulter; Porter. 



SAGITTARIA VARIABILIS, Eng. Divide between Denver and Colorado 

 Springs, Porter. 



ORCHIDACEJB. 



HABENARIA HYPERBOREA, E. Br. Hall & Harbour, 535. Mount El- 

 bert, near Twin Lakes, at 10,000 feet altitude, Horse Shoe Mountain, and 

 in the Sierra Madre Range, Coulter. Ute Pass, Porter. 



HABENARIA DIL AT AT A, Gr. Neehan. Sierra Madre Range, Coulter. 

 Wet Mountain Valley, Redfield. 



HABENARIA OBTUSATA, Lindl. Hall & Harbour, 536; Parry. Twin 

 Lakes, at an elevation of 10,000 feet, Coulter. 



GOODYERA MENZIESII, Lindl. Golden, Greene; Eedjield. 



