682 



BOBAGINACBAB (BOEAGE FAMILY) 



S55. L. defl., 

 v-. amer. 



3-4 mm. long, the nutlets only marginally glochidiate. (^Echino- 

 spermum Lehm. ) — Calcareous mountains and cliffs, e. Que. ; road- 

 sides and waste places, N. B. to Minn. , local. (Eurasia.) Fig. 854. 

 Var. americHna (Gray) Greene. Nutlets with a few prickles 

 along the middle. — Thickets and open woods, la. to Man., westw. 

 and northw. Fig. 855. 

 3. I/, floribiinda (Lehm.) Greene. Rather strict, 0.3-1.5 m. high ; leaves 

 oblong- to linear-lanceolate, the lowest tapering into margined 

 petioles ; racemes numerous, commonly geminate and in fruit 

 rather strict; corolla larger, blue, sometimes white, 0.5-1 cm. 

 in diameter ; nutlets 4-6 mm. long, scabrous and margined with 

 a close row of flat-subulate prickles. {Echinospermum Lehm.) 

 — Ont. and Minn, to Sask., and westw. Fio. 866. 866. L. floribunde. 



** Stout pedicels not deflexed ; calyx becoming foliaceotcs ; leaves 

 linear, lanceolate, or the lower spatulate ; hispid annuals. 



4. L. echinAta Gilibert. Erect, 1.6-6 dm. high ; nutlets 

 rough-granulate or tuberculate on the back, the margins with a 

 double roio of slender distinct prickles, or these irregularly dis- 

 tributed over most of the back. {Echinospermum Lappula 

 Lehm. ) — Waste and cultivated grounds, local. (Nat. from Eu ) 

 Fig. 867. 



5. L. Red6wskii (Hornem.) Greene, var. occidentilis (Wats.) 

 Rydb. Erect, 1.6-6 dm. high, at length diffuse ; nutlets Irregu- 

 larly and minutely sharp-tuberculate, the mar- 

 gins armed with a single row of stout flattened ,t^ 

 prickles sometimes confluent at base. (i. tex- !»• 

 ana Britton.) — Ont. to Sask. and Tex., and ^^ 

 westw. ; ballast and waste places, eastw. Fig. 858. L. Redowskii, 

 858. V. oc«. 



4. AMSfWCKU Lehm. 



S57. L. echlnata. 



Corolla salver-form or tubular-funnel-form. Style filiform. Nutlets rough, 

 dull, ovoid-trigonous, attached below the middle. — Rough-hairy annuals, with 

 cTblong or narrower leaves and scorpioid-splcate yellow flowers, 

 at least the lowest leafy-bracted. (Dedicated to the memory 

 of Wilhelm Amsinck, a burgomaster of Hamburg, who gave 

 important support to th^ botanical garden of that city.) 



1. A. ltcopsoIdes Lehm. Decumbent, loosely branched, 

 3-6 dm. high ; leaves lanceolate or ovate-lanceolate, the lower 

 0.5-1 dm. long, the upper shorter; 

 flowers mostly bractless ; corolla pale 

 yellow, 7-10 mm. long, the slender tube 

 exceeding the calyx. — Waste places, 

 etc., locally established, e. Mass. to 

 Ct. May-July. (Adv. from Cal.) 

 Fig. 869. 



'. A. lycopsoldes. 



6. ASPERtrOO [Tourn.] L. 

 Madwoht 



Corolla with short tube slightly enlarged above, and 

 with spreading limb, smaller than the conspicuous calyx 

 Stamens included. Nutlets granulated. —Low annual 

 with harsh slender stems, oblong or spatulate leaves, 

 and few axillary flowers on short recurved pedicels. 

 (Name from asper, rough.) 



1. A. PRocfiMBUNs L. — Ballast and made land, ^^^ *' l"'"™'"''™* 

 JVfass. to D. C. and Minn. Maj^-July. (Ady, from Eu.) Fig. 86Q. 



