ADDITIONS AND CORRECTIONS 1119 



Pdge 



pjdulous; spike 4-10 cm. long; bracts denselj- hirsute; seeds ovate-lenticular, 

 almost black, shining, 2 mm. long. Aquatic Form: Stem decuiribent, 

 rooting at the nodes; ochreae glabrous or above water somewhat hirsute; 

 petioles 4-5 cm. long, glabrous; leaf-blades 6-10 cm. long, ovate with a 

 cordate base, glabrous; peduncles and bracts less hairy than in the ter- 

 restrial form. P. plattensis Greene, (transitional stage between the 

 aquatic and the paludose form). Drying lakes and ponds: Minn. — Mont. 

 — N. M.— Neb. Jl-S. 



237 For Prrsicarin incana (Schmidt) S. F. Gray, substitute Persicaria 



tomentosa (Schrank) Bicknell. 

 237 Add under B. histortoides the synonym : B. americana Raf . 



242 After C. incision insert: 



24. Chenopodium Bonus-Henricus L. Perennial; stem stout, 

 8-3 dm. high, mostly simple, glabrous; leaf-blades broadly triangular- 

 hastate, palmately ribbe'd, green, 5-12 cm. long, entire or sinuate; flowers 

 in dense paniculate spikes; seeds all vertical, with obtuse edges, black, 

 shining. Waste places: N. S.— Ont.— N. Y.; Utah; nat. from Eur. Je-S. 



243 Before Cyclolnma insert: 



3a. AXYRIS L. 



Annual monoecious herbs. Leaves alternate with entire blades. Sta- 

 coinate flowers in terminal globerules or spikes; perianth hyahne, 3-5- 

 parted; sepals obovate or elhptic; stamens 2-5. Pistillate flowers solitary 

 in the axils or mixed with staminate ones; bracts distinct; sepals 3 or 4, 

 hyaline, somewhat accrescent; stigmas 2, filiform; utricle enclosed in 

 the perianth, compressed, cuneate-obovate, short-winged at the apex; 

 pericarp membranous. Seed erect, obovoid; embryo horseshoe-shaped. 



1. A. amaranthoides L. Stem 3-7 dm. high, racemosely branched 

 ab^ve, stellate-pilo.se; leaf -blades ovate or lanceolate, .3-8 cm. long, thin, 

 finely stellate-piiose, those of the floral branches reduced, 4-6 mm. long; 

 fruit 3 mm. long, with a short refuse wing at the apex. Waste places 

 and fields: Man. — Sask. — Neb.; nat. from Siberia. Jl-Au. 



244 After K. scoparia insert: 



4. Kochia alata Bates. Annual; stem 5 dm. high or more, puberu- 

 lent; leaves hnear-lanceolate, 3 ribbed, strigose beneath; inflorescence 

 dense, its branches villous; calvx with membranous wings, 1-2 mm. long, 

 dirtj'-white, erose-dentate, obovate. Waste places: Neb. — Colo. Probably 

 an introduced species from the Old World related to K. arenaria, but the 

 identit}^ not estabUshed. 



258 Common name of Qiiat7ioclidion should be Wild or False Four-o 'clock. 



259 In key under Allionia, instead of 2. A. floribunde read 2. A. floribunda. 

 263-4 Limnia has been included in both Clnytorda and Montia and nearly 



all of the species have been named under Montia with the same specific 



names. 

 265 For N. parviflora read N. parvifolia and for Claytonia parviflora and 



Montia parviflora read C. parvifolia and M. parvifolia. 

 265-6 For O. nevadensis, 0. minima, and 0. pygmaea read O. nevadense, 



O. minimum, and O. pygmaeum. respectively. 

 268 In description of Alsine for ■"alternate leaves" read "opposite leaves." 



274 The generic name Alsinopsis is antedated by several older names 

 but it has been impossible to estabhsh which is the oldest tenable one 

 for the genus. 



275 Before .4. laricifolia insert: 



9a. Alsinopsis bifiora (L.) Rydb., comb. nov. Caudex much 

 branched; stems decumbent, puberulent; leaves obtuse, somewhat fleshj'. 



