Bulletin University of New Mexico—No. 49 
S. varrasitis, Engelm. 4 to 40 in. high; angled 
stem; leaves very varible but usually sagittate; petals 
white. ‘Albuquerque, Jupne 1st, 799.” (Weinzirl.) 
72. NAIADACEAE, (Ponp-weep Famiry. 
Immersed aquatic herbs with 1 eafy stems. I have 
an unidentified species of the genus PorTramMoGgEToNn 
whose flowers occur in spikes and have 4 sepals and 4 
stamens. From the reservoir of the Water Supply Co. 
73. TYPHACEAEK. (Cart-tam Famity. 
Marsh or aquatic herbs with nerved, long-linear, ses- 
sile leaves, monoecious flowers in a dense spike. 
Typua Latiroria, 2. (Common cat-tail. Too well 
known to need description. Very common in the val- 
ley in swampy places and on the mud flats of the Rio 
Grande. | 
GLASS Il. GYMNOSPERMS. 
74. GNETACEAE. 
Ours shrub, with jointed branches (like a rush); 
leaves scale like in ours. Stamens monadelphous; a 
membranous bifid calyx-like perianth, anthers dis- 
charge thru a hole at the apex; fertile flowers consist 
of an ovule with an exserted style, peranth persistent 
Epuepra Trirurca, Torr. Very common on _ the 
mesa especially the western foothills, 1 to 3 ft. high. 
May. 
75. CONIFERAE. (Prine Famtty..) 
Evergreen (ours), trees and shrubs with resinous 
juice; awl-shaped or needle-shaped leaves, entire; mo- 
noecious flowers in catkins, no calyx; fruit a cone or 
berry. | 
Leaves linear or needle-like. Fruit a cone. 
2 to 5 in a cluster, 2 years for cones, (1)Prnus. 
Solitary, cones ripening the first year. 
Leaves sessile, cones erect, - (2) Abts. 
Leaves petioled, cones pendulous, 
- - - : (3) Psrupotsvea. 
Leaves scale-like, fruit a berry, - - JUNIPERUS. 
1. prnus, DZ. (Pine) 
Leaves 5, each with one fibro-vascular bundle, 
: - - - - P. FLEXILIs. 
Leaves 2 or 3, each with two fibro vascular bupndles, 
Leaves in 2’s (rarely 3’s),_ - -  P. EDULIS. 
Leaves in 3’s (rarely 2’s),_  - P. PONDEROSE. 
P. FLExtLis, James. (Western White Pine.) 
About 40 to 60 feet high and 3 to 5 feet in diame- 
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