1124 ADDITIONS AND CORRECTIONS 



Page 



453 Before Caesalpinaceae insert: 



3. STROMBOCARPA A. Gray. Screw Bean. Screw Pod 

 Mesquite. Tormillo. 



Low spiny trees. Leaves bipiiinate; stipules spiny. Flowers per- 

 fect, in dense axillary cylindric spikes. Calyx campanulate, slightly 

 5-lobed. Petals 5, lanceolate. Stamens 10, free. Ovary stipitate, pubes- 

 cent. Pod densely spirally twisted, woody without, pulpy within. Seeds 

 obovate with a horny endosperm. 



1. S. pubescens (Benth.) A.Gray. Tree up to 10 m. high; primary 

 pinnae 1 or 2 pairs, each with 4-8 pairs of leaflets; stipular spines 1-2 

 cm. long; leaflets oblong, 1-2 cm. long, sharp-pointed, finely hairy, 

 netted- veined ; calyx hairy without; petals lanceolate, woolly within; 

 stamens exserted, 4 mm. long; pod 3-5 cm. long, cylindric, about 8 mm. 

 in diameter, pale-yellow. Frosopis odorata Torr., in part. P. pubescens 

 Benth. Sandy bottom lands: Tex. — sw Utah — Calif. 

 456 After S. sericea insert; 



2. Sophora stenophylla A. Gray. Low perennial densely white-silky; 

 leaves pinnate; the leaflets 5-11, narrowly linear, 1-2.5 cm. long, about 

 2 mm. wide; calyx densely silky, the tube 8 mm. long, the lobes lance- 

 subulate, 5 mm. long; corolla light blue, 18-20 mm. long; petals subequal, 

 the keel-petals obtuse. Sandy Hills: Ariz — sw Utah. L. Son. 



461 Under L. tenellus, for the synonum L. Blackinshippii read L. Blankin- 



shipii. 



462 Under L. argentinus, last line, for "Neb." read "Nev." 

 407 After L. barbiger insert: 



60a. Lupinus Hillii Greene. Perennial; stem 3-5 dm. high, purplish, 

 densely .short-villous and with scattered long white hairs; leaflets 5-8, 

 cuneate-oblong, obtuse, about 2.5 cm. long and 8 mm. wide, densely 

 strigose-silky on both sides, less so above; raceme 7 — 8 cm. long, lax; flowers 

 more or less \erticillate; corolla about 8 mm. long, blue-purple; wings 

 longer than the keel and the banner; keel stronglj cihate alujost to the 

 apex; pod silky-villous, short, 2-3 seeded. Pine woods: n Ariz. — s Utah. 

 477 The authority for M. alba, instead of Desv. read Desr. 



477 Under A. americanum, the authority of the synonym Lotus aviericanus, 

 instead of Bishop read Bischof. 



478 Under A branchycarpus add the synonym: Lotus trispcrtnus Greene. 

 Anisolotus trispernius (Greene) Woot. & Standi. A less huirj' variety, 

 which is represented in sw Utah. 



479 For A. angustijoliu read Amorpha fragrans Sweet, an older name. 



480 Further study (See Am. Fl. vol. -4) has re\ealed that the genus 

 Psorulea L. in strict sense is not found in America and that the two 

 subgenera Psoralidium and Pediomelum are better regarded a.-; distinct 

 genera. The names of the species should therefore be' 



Psoralidium junceum (Eastw.) Rydb., P. lanceolatum (Pursh) 

 Rydb., P micranthum (A. Grny^ I.ydb.. P. Purshii ,.il Hydb , 

 P. stenostachys Itvdb., P. steiiophyllum Rvdb., P. te.iuiflorum 

 (Pursh) Rydb.. P. lihearifolium rr &G.) Rydb., P. coUinum Rydb., 

 P. argophyllum (Pursh) Rydb., and P. digitatum (Nutt. ) Rydb. 



Pediomelum cuspidatum (Pursh) Rydb., P. esculentum (Pursh) 

 Rydb., P. hypogaeum (Nutt.) Rydb., P. megalanthum a\()()t. & 

 Standi) Rydb., P. mephiticum (S.Wats.) Rydb., and P. ca,toreum 

 (S. Wats.) "Rydb. 



481 After 7. P tenuiflorum insert: 



7a. Psoralidium Bigelowii Rydb. Stem 3-6 dm. high, canescent, 

 strigose; branches spreading; leaves 3-foliolate, or the lower 5- liolate; 

 leaflets of the stem-leaves obovate. 1-3 cm. long, 5-12 mm. wii'o tngose 



