* /'- .. ' 



;> 



«■ 



CONTR IBlTf^f^^S TO W^ST^3{ N BOT AN V NO. I » 151 



long, linear, too ©Id, red. Pods twice as long as the calyx tube 



abrup^y acuminate. Seeds tnany, wlnte/ not. j^ mm. 

 [g, oblong, with cdlular coat raised aA)out 34 the diameter in a con- 

 cuous honeycomb, flie ceils fonning one to four rows. No.^ 232 li^ 

 pic, Nayarit, February 15, 1927, on slopes along wifh Semdandra,; 



Anisacanthus elaberrimu 



Sp. Plants wholly glabrous, and green 

 cent stems. Shrubs 3-5 feet hich.with 



slender branches- Leaves clKptkal, shortly acuminate at boi 

 very short petiole a few mm. long, entire. Flowers in terml 

 or compound racemes, red, 2-3 cm. long, many. Bracts about 



'& 



lar. Calvx loKes linear. Corolla 



deciduously pubescent, triangu 



then quickly enlarging to 5 ram. wide. The Tower lobes broadly 



port 



Pods 'about 2 [cm. long, including the stipe, which is as long as the body, 

 which is oblong and shortly acute at bofli ends. Seeds 2, circular and 

 flat, 3 mm.' wide. Anfeer cells linear and opposite. No, 2?976, Acs- 

 poneta, Nayarit, at the El Tigre mine, March 1, 1927. This is the t>-pe, 

 and has head-like racemes at the ends of the twigs and about 2 inches 

 long, and single. I also refer here No. 23266 from the same locality, 

 but with many short racemes in a compound cloister often 6 inches long. 

 Ixtlahia acicularis N. Sp. and N. Gen. of Acanthaceae. Ascending 



j>.c»nc 



X^erennials rooting at the nodes, a foot or two high, stems mi 

 bent at the nodes, sparingly branched, variably canescent wit; 

 reflexed hair* which are jointed and flattened, and apparently 

 minute glands intermixed, becoming smoothish. Leaves Va inches .on^ 

 by an inch wide, flat, leathery, shining above, lighter below and seemingly 

 scabrous but really smooth though roughened by tlie raised c>-stolith*. and 

 nerves, elliptical, shortly acuminate, truncate to rounded at base, on a 

 Btout petiole 4-^ mm. long, entire. Flowers i-^^-^^^:'u^Z^'^ 



hoar}-. Spikes aboui 1.5 cni. long, narrow, erect, of few flowers. 



Bractr. 



lanceolate and 



pped, hardly dis- 



tinguishable from the subulate, hyaline-margined, acerose piuraose cai>, 

 lobls, all about 1 cm. long and appressed. Corolla cyhndrical 8 mm 

 long/ not ampliate above, the upper lip very short and erec *f l^^^^r of 

 3 almost round divisions 2-3 mm. wide, pink-purple, yellowish at Ac 

 throat. Stamens just exserted, 2, each of a .single anther cell with a con- 

 spicuous white ear at the base and oblong, then obliquely enlarged to ft 

 ra iier wide blade above as long as the proper anther cell which is twist^o 

 Td minded at tip. Filaments raflier broad. The anther, re^^mble thc^ 

 cf Nelsonia Ani.sostachya, but are conspicuously du.erent »° ^<^f!^^l- ^heB 

 1 collected it I imagined it might be an ElyU-ana. The cy.toliths place it 

 definitely in the Acanthatceae. . Na 23S34, Ixtlan, Nayant, Febmary.l9, 



J927. growing in fields. Fruit not seen. , . , , * v- v 



Monarddla Lagunensis N. Sp. Rather dense shmb 2 feet hurh 

 ,..:.«nc.lv branched above, each branch terminating m a rmgle larg- head 



