SCUTCH GRASS 599 



so as to be first touched. Most are capable of self fert. in default of 

 visits. For further details see gen. 



In Linaria, &c. (fl-v. ) there sometimes appears a terminal fl. to the 

 raceme, and this exhibits peloria, having a symmetrical C with spurs 

 to all the petals (cf. Ruta, or compare Aquilegia with Delphinium). 



A number are or have been officinal, e.g. Digitalis ; most are 

 poisonous. Many favourite cult. orn. plants, e.g. Calceolaria, 

 Mimulus, Pentstemon, Antirrhinum, Linaria, Veronica, Collinsia, &c. 

 Classification and chief genera (after von Wettstein) : 



A. Two post. C-teeth (or upper lip) cover lat. teeth in bud. 



I. PSEUDOSOLANEAE (all 1. usu. alt. ; 5 sta. often present): 

 i. l r erbasceae (C with very short tube or none, rotate or shortly 



campanulate) : Verbascum, Celsia. 

 i. Aptosinuae (C with long tube): Aptosimum. 

 II. ANTIRKHINOIDEAE (lower 1. at least opp. ; the 5th sta. 



wanting or staminoclial) : 

 a. C 2-lipped ; lower lip concave, bladder-like. 



1. Calccolarieae: Calceolaria. 



/3. C almost actinom., or 2-lipped with flat or convex lips. 



2. Henii liter ideae (dehisc. caps. ; C spurred or saccate at base, 



with no tube) : Alonsoa. 



3. Antirrhineae (as i, but with tube): Linaria, Antirrhinum, 



Maurandia, Rhodochiton. 



4. C/ieloncaL' (dehisc. caps, or many-seeded berry ; C not spurred 



or saccate; infl. cymose, cpd.) : Russelia, Wightia, Col- 

 linsia, Scrophularia, Chelone, Pentstemon, Paulownia. 



5. Mamtleae (dehisc. caps. ; C as in 4 ; infl. not cymose, usu. 



simple; anthers finally i-loc.): Zaluzianskia, Lyperia. 



6. Gratiolcae (as 5, but anthers finally 2-loc.): Mimulus, Gra- 



tiola, Torenia. 



7. Selagineae (drupe or indeh. few-seeded caps.) : Hebenstretia, 



Selago. 



B. Two post, teeth (or upper lip) of C covered in bud by one or 



both of the lat. teeth. 

 III. RHINANTHOIDEAE. 



a. C-teeth all flat and divergent, or the 2 upper erect. 



1. Digitaleac fanther-loc. finally united at tip ; 2 upper C-lobes 



often erect ; not paras.) : Veronica, Digitalis. 



2. Geraniicae (anther-loc. always separate, one often reduced; 



C-lobes all flat, divergent; often paras.): Gerardia. 



b. 2 upper C-teeth form a helmet-like upper lip. Often paras. 



3. Rh inantheaf : Castilleja, Melampyrum, Tozzia, Euphrasia, 



Bartsia, Pedicularis, Rhinanthus. 

 Scrophularineae (BH.}~ Scrophulariaceae. 

 Scrub, cf. Acacia ; -myrtle (Austr.), Backhoiisia. 

 Scubalia Nor. Inc. sed. Nomen. 

 Scurrula L. = Loranthus L. (Lor.). 

 Scurvy grass, Cochlcaria officinal is L. 

 Scutachne Hitchc. et Chase. Gramineae (5). 2 Cuba. 

 Scutate, scutiform, buckler-shaped. 

 Scutch grass (Am.), Cynodon Dae ty Ion Pers. 



