ADDITIONS AND CORREnTlONS. (51 () 



Pago 441. 122. LYQODESMIA. 



2. L. spinosa, var. cladopappa, <Ji'ay ; a state with many of tlie stiff bristles 

 of the pappus bearing a few slemler branches toward the base. 



Cfirson Valley, Lemmon, 1875. Specimens by other collectors from the .sarno neighborhood do 

 not show tliiH peculiarity of the psippiis, in which, ns well us in the rigidity, there is an approach 

 to Clixzladclpha. 



Page 442. 123. LACTUCA. 



Lactuca Canadensis, Linn., was collected in a grain-lield in Sierra Valley, in tlie summer of 

 1875. Being otherwise unknown west of the Ilocky Mountains, it was probably a waif or chance- 



Page 443. Order LI. LOBELIACE^. 



Ileplace tlie key to the gcnei-a under the Tribe LOBKUJvE by the following. 



• Capsule short, 2-celled, 2-vnlved at tlio top. 



1. Lobelia. Corolla with tlie more or less elongated tube split from top to bottom on the appar- 



ently upper side. Stamens free from the corolla. 



2. Palmereila. Corolla with a long tube, which is entire at the summit ; the stamens adnate 



to its ujiper part. 



3. Laurentia. Corolla with a rather long entire tube ; the stamens free from it, except perhaps 



at the very base. 



♦ ♦ Capsule and ovary long and linear, one-celled, opening down the sides. 



4. Downingla. Corolla with a very short and entire tube. 

 Prefix no. 5 to Nemacladus. 



1. LOBELIA, Linn. 

 Calyx 5-cleft, and with a short tube. Corolla with a straight tube split down to 

 the base on one (apparently the upper) side ; the two lobes on that side erect or more 

 .sej)arated from the three more united ones ; all the petals sometimes inclined to 

 8(iparato at tho base. Authors and all the upper ]>art of the (ilamonts united around 

 the stylo : these inserted with the corolla. iStigma 2-l()b('d. (.'apsnle 2-valvod at 

 tho top. Seeds very numerous and small. — Chiclly herbs, of wide geogra[)hicaI 

 di.stribution ; with racemose or spicato flower.s, produced in summer. 



1. L. splendens, Willd. Glabrous or nearly so : simple stem 2 or 3 feet high : 

 leaves linear lanceolate, glandular-denticulate : raceme naked, many-flowered : tube 

 of the calyx hemispherical ; its lobes slenderly linear-subulate : corolla intense red, 

 an inch long ; its lobes (in our plant) oidy half the length of the tube : two of the 

 anthers strongly bearded at the tip. — llort. iJerol. t. 8G. 



Mountains northeast of San Diego, Chrrhind, Palmer. Extends through Arizona to Texas and 

 Mexico, probably only in shaded and moist or wet jdaccs. Miich lesembles the eastern L. cardi- 

 imlis or Caixlinal-flower. Lobes of the corolla much smaller than in the cultivated and some of 

 the wild Mexican specimens. 



2. PALMERELLA, Cray. 

 Calyx 5-partcd down to the turbinate tube, which is whdlly adnate to the ovary; 

 the lobes slenderly linear-subulate. Clorolla with its long and straight narrow-cylin- 

 drical tube, entire (at l(!ast the upper i>art), not at all dilated at the throat ; the short 

 lobes abruptly spreading ; two smaller distinct, spatulate linear and turned back- 



