Dicotyls or Exogenous Plants. 41 



Tis'-sa ru'-bra (L.) Britt. (Buda rubra Dumor.) Sand Spurry. — 

 Corolla small (\yi lines long), pink-red, scarcely equalling or exceed- 

 ing the calyx. 



7. Genus A-NYCHM-A. — Sepals 5, petals wanting, stamens 2-3, 

 rarely 5, stigmas '1, sessile; plants small, many times forked. 



A-nych'-i-a di-chot'-o-ma Mx. Forked Chickweed. — More or less 

 pubescent, short jointed, low and spreading; flowers nearly sessile. 



A - nych'- i - a can - a - den'- sis (L.) B. S. P. (A. capillacea DC.) Forked 

 Chickweed. — Smooth, longer jointed, slender and erect; leaves broader 

 and longer, 5-15 lines long; flowers more stalked. 



XXIV. Order NYIH-PH/E-A'-CE/E. WATER-LILY FAIV1ILY.— Aquatic, 



with horizontal perennial rootstocks, leaves peltate or cordate, flowers 

 solitary, large. 



Petals adnate to the ovary, large Castalia. 1 



Petals very small and stamen-like Nymphesa. 2 



1. Genus CAS-TA'-LI-A. [Xyvipho'a.) — Sepals 4, green outside; 

 petals numerous, the innermost gradually passing into stamens. 



Cas-ta'-li-a o-do-ra'-ta (Dry.) Wv. & \Vd. [Nymphcea odorata Ait.) 

 White Water-Lily. — Leaves orbicular, cordate-cleft at the base to the 

 petiole; flower white, very sweet scented. 



2. Genus NYIM-PH^'-A. (Xupfiar.) — Sepals 5 or 6 or more, colored 

 or partly green outside, roundish concave ; petals numerous, scale-like 

 or stamen-like. 



Nym-phae'-a ad'-ve-na Soland. (Nuphar advena Ait. f) Yellow Pond- 

 Lily; Spatter Dock. — Sepals 6, unequal; leaves roundish to ovate or 

 almost oblong. 



XXV. Order IVIAG-NO-LI-A-CE-/E. MAGNOLIA FAMILY.— Trees; the 

 leaf buds covered by stipules; the flowers large, more or less tulip-like. 



Leaves oblong, pointed Magnolia. 1 



Leaves lobed, truncate or notched Liriodendron. 2 



1. Genus MAG-NO'-LI-A. — Tree; buds conical; pistils cohering,, 

 forming a fleshy and rather woody cone-like red fruit. 



